White should have played 26. Bf5!! P Murray vs L Day, 1975  (A42) Modern Defense, Averbakh System, 36 moves, 0-1 Black should play 24...Qf5! instead of resigning M Lange vs Anderssen, 1852  (C33) King's Gambit Accepted, 24 moves, 1-0 Black misses 24...Qf6 = and loses as a result Marshall vs H Steiner, 1929  (E20) Nimzo-Indian, 32 moves, 1-0 Black misses 30...Bxg2!! turning the tables for a win Van Wely vs Morozevich, 2004  (D09) Queen's Gambit Declined, Albin Counter Gambit, 5.g3, 41 moves, 1-0 Black resigns prematurely and misses the Draw. Grischuk vs Vaganian, 2004  (C02) French, Advance, 51 moves, 1-0 White misses 24. Qd3! = and goes on to lose Krasenkow vs Karpov, 2003  (E12) Queen's Indian, 29 moves, 0-1 15...Bg4!! turns the tables for a Black winning advantage Anderssen vs Kieseritzky, 1851  (C33) King's Gambit Accepted, 40 moves, 1-0 21...Bxb2! turns the tables for a strong Black advantage D Rowe vs J Grech, 2002  (B27) Sicilian, 30 moves, 1-0 18...Bb5!= holds for Black Van der Wiel vs Quinteros, 1985  (B97) Sicilian, Najdorf, 20 moves, 1-0 42...Bb5! not only saves Black's game -- it wins! H Karner vs Karpov, 1972  (A46) Queen's Pawn Game, 43 moves, 1-0 Black plays 49...Nf8?? instead of 49. Ng5! -+ Karpov vs Csom, 1977  (A16) English, 50 moves, 1-0 18...Kf8! until the end of the game (great technique) Anderssen vs G Medley, 1862  (C39) King's Gambit Accepted, 44 moves, 0-1 White misses 19. Qe7! T Vakhidov vs Nisipeanu, 2004  (A42) Modern Defense, Averbakh System, 42 moves, 0-1 62...Be1! makes White's win problematic and may draw Leko vs Kramnik, 2004   (D37) Queen's Gambit Declined, 69 moves, 1-0 9. Ng5! leads to a quick draw by perpetual H Banikas vs D Mastrovasilis, 2003  (D06) Queen's Gambit Declined, 11 moves, 1/2-1/2 17...Nf8! S Sloan vs G Sanchez, 1996  (A00) Uncommon Opening, 27 moves, 1-0 23...Re2!! sets up 25...Qd3!! to wreck Anand's preparations Kramnik vs Leko, 2004   (C89) Ruy Lopez, Marshall, 32 moves, 0-1 21...Rg5!! followed by 25...c6! and 30...Bc8! Kramnik vs Leko, 2004  (C78) Ruy Lopez, 35 moves, 1/2-1/2 34...Ra1! is a draw Kasparov missed Rublevsky vs Kasparov, 2004  (B30) Sicilian, 57 moves, 1-0 31...Qg5!! as suggested by Honza Cervenka A Becker vs Tarrasch, 1925  (D30) Queen's Gambit Declined, 35 moves, 1-0 31...Re1+!! busts the demolition combination 24. Bxh7+?? Nunn vs Csom, 1977  (B57) Sicilian, 31 moves, 0-1 22...Bxa4! is a move Leko should have played Kramnik vs Leko, 2004   (B12) Caro-Kann Defense, 41 moves, 1-0 10...d6! turns the tables and wins the game J Taylor vs NN, 1874  (C37) King's Gambit Accepted, 13 moves, 1-0 26...Kg8! instead of 26...Rd6?? Short vs Z Zhang, 2003  (C51) Evans Gambit, 32 moves, 1-0 9...d6! forces a draw and 10...Nf6! leads to a favorable ending Bird vs NN, 1869  (C37) King's Gambit Accepted, 14 moves, 1-0 39. Re3! C Bielicki vs J Tossutti, 2004  (D02) Queen's Pawn Game, 39 moves, 1-0 9. Ne5! would have equalized for White J Kerry vs V Adam, 2001  (D15) Queen's Gambit Declined Slav, 15 moves, 0-1 26...Bxe3! (see Honza Cervenka's post) Anderssen vs C Messemaker, 1861  (C70) Ruy Lopez, 37 moves, 1-0 20...Qc7! E Perelshteyn vs Benjamin, 2004  (D15) Queen's Gambit Declined Slav, 40 moves, 0-1 20...Re7! M Martinez vs A Ivanov, 2004  (B06) Robatsch, 55 moves, 0-1 22. Qe3! (instead of 22. Nb1??) E Terpugov vs Petrosian, 1957  (A46) Queen's Pawn Game, 27 moves, 0-1 29. Qe3! nicely holds the position and sets up a mating attack P Acs vs Van der Wiel, 2003  (B67) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7, 37 moves, 1-0 27...Ba8! gives Black a near winning advantage Van der Wiel vs Nijboer, 2004  (B43) Sicilian, Kan, 5.Nc3, 50 moves, 1-0 31...Nc7! Karjakin vs Nakamura, 2004  (B01) Scandinavian, 60 moves, 0-1 11...Bxf3! Steinitz / Hirschfeld / Mason vs Zukertort / Bird / Hoffer, 1880  (C33) King's Gambit Accepted, 41 moves, 0-1 37. Nc5!? gives White drawing chances Nakamura vs Karjakin, 2004  (B53) Sicilian, 39 moves, 0-1 25...Nbxd5! (not 25..Rxc3?) and 28...Nxd5!? (not 28...Bf7??) N Coenen vs G Burgess, 2002  (B05) Alekhine's Defense, Modern, 30 moves, 1-0 18...Rxd4!? is Black's best chance ( even after 19. exd4!) Granda Zuniga vs L Rojas Keim, 2004  (D78) Neo-Grunfeld, 6.O-O c6, 32 moves, 1-0 18. Bxd5!! Nunn vs Sosonko, 1982  (B12) Caro-Kann Defense, 21 moves, 1-0 19...f5! 20. Ng3 c4! = is Black's best defense to 19. e6!? de Firmian vs P Nikolic, 1985  (C92) Ruy Lopez, Closed, 37 moves, 1-0 26...Qg7!? maintains pressure and avoids a premature ending A Mevel vs Hort, 1980  (B51) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 51 moves, 1-0 25...Qe7! (not 25...d4?? 26. c3!) yields a defensible position M Jadoul vs G Plomp, 2003  (A01) Nimzovich-Larsen Attack, 29 moves, 1-0 17. a4 = (see Karlzen's note) is better than resigning L Schepers vs J L Jouy, 1983  (B00) Uncommon King's Pawn Opening, 16 moves, 0-1 16...Bd6! and 47...Qc4! Smyslov vs J H Donner, 1967  (B17) Caro-Kann, Steinitz Variation, 73 moves, 0-1 23...Qd7! G Flear vs Karpov, 2004  (E32) Nimzo-Indian, Classical, 42 moves, 0-1 16. Bc4! Szen vs Anderssen, 1851  (B44) Sicilian, 31 moves, 1-0 11...Qg6! Steinitz vs P Meitner, 1860  (C55) Two Knights Defense, 26 moves, 1-0 21. Qf7?! Qe6! Botvinnik vs Portisch, 1968  (A22) English, 26 moves, 1-0 40. Rh8+! Kg7! leads to a forced draw by perpetual check T Hermannsson vs J Polgar, 1988  (A57) Benko Gambit, 41 moves, 1-0 If 11...Nd3?, then 12. g3! or 12. Nf4!? NN vs R Crepeaux, 1923  (A03) Bird's Opening, 16 moves, 0-1 20...Bf4! Mamedyarov vs L Bruzon Batista, 2004  (C43) Petrov, Modern Attack, 34 moves, 0-1 14. Ne4! and 15. Qe2! (see link at Tamar's post for analysis) A Beliavsky vs Nunn, 1985  (E81) King's Indian, Samisch, 27 moves, 0-1 Should have played 14...Be6! 15. Ng5+ Kg8 16. Nxe6 Na5! Kupreichik vs A Planinc, 1970  (C60) Ruy Lopez, 19 moves, 1-0 Not 40...Rb8?? but 40...Be7!, 40...Bb3!, 40...Bg5+! or 40...Bc6 A Kovacevic vs G Tringov, 1993  (B90) Sicilian, Najdorf, 53 moves, 1-0 White misses the perpetual 57.Qe1+! Re6 58.Qh4+ etc. Albin vs A Csank, 1890  (C13) French, 89 moves, 1/2-1/2 10. Bxh7+?! Kxh7 11. Ng5 fxg5! favors black (may be a draw) Alekhine vs E V Schuman, 1933  (C13) French, 46 moves, 1-0 10. Bxh7! Kxh7 11. Ng5+ Kh6! 12. Qd2 Qe8! may hold for Black Pillsbury vs Marshall, 1897  (C13) French, 39 moves, 1-0 11...Kh6! 12. Qd2 Qe8! may hold for Black Pillsbury vs C Chaseray, 1902  (C13) French, 13 moves, 1-0 26...Rc8!? (not 26...Bxa2??) 27. Bf4 Bg4! is OK for Black J Polgar vs Svidler, 2005  (C89) Ruy Lopez, Marshall, 30 moves, 1-0 22. Nb6! Ne2!? 23. Qf8+!! Short vs Miles, 1984   (B13) Caro-Kann, Exchange, 46 moves, 1-0 Kramnik misses equality with 13. Nc3! or 14. Bb6! Kramnik vs Topalov, 2005  (B80) Sicilian, Scheveningen, 20 moves, 0-1 29...Nf4+! , 34. Bxb7! and 36. Nxd6! appear to force a draw P Seuffert vs Blackburne, 1894  (C51) Evans Gambit, 36 moves, 0-1 21...Ng5! and 34...Qf7! 35. Qb6 Qd7 36. Ng3! Ke7! Adams vs Topalov, 2005  (B90) Sicilian, Najdorf, 41 moves, 1-0 23...Qxd8! 24. Rxc1 24.Bxc1 Nxe2+ 25. Kf2! is White's best L Rellstab vs Najdorf, 1950  (E94) King's Indian, Orthodox, 25 moves, 0-1 35. Bf2! (not 35. Ba2?) & 44. Qa5!? leads to the draw J Polgar vs Adams, 2005  (C99) Ruy Lopez, Closed, Chigorin, 12...cd, 63 moves, 1/2-1/2 28...Rxf3! & 33...Rb4! (See Acirce's post & Chessbase.com link) Kramnik vs I Sokolov, 2005  (C96) Ruy Lopez, Closed, 36 moves, 1-0 15...Be6! H W Russner vs C Walcker, 1942  (D85) Grunfeld, 30 moves, 0-1 22. Qxa5! & 37. Qe8+! (saving moves White missed) L Bruzon Batista vs Anand, 2005  (A13) English, 44 moves, 0-1 24.Qc4! Rb2 25.Qxc6 Qg5! 26.Nf4! exf4 27.Rxf4 Anand vs Kramnik, 2005  (B33) Sicilian, 27 moves, 1/2-1/2 32...Rxd6! A Beliavsky vs L Bruzon Batista, 2004  (D52) Queen's Gambit Declined, 46 moves, 0-1 14...Rb8! Topalov vs Ponomariov, 2005  (B48) Sicilian, Taimanov Variation, 64 moves, 1-0 Moror misses the draw 20. Nxd7! Nxd7 21. Qa4! Qd8 = Morozevich vs Anand, 2005  (A46) Queen's Pawn Game, 41 moves, 0-1 25...Bd5! Kasparov vs Kramnik, 1994  (B33) Sicilian, 36 moves, 1-0 28...Bh6! may have been Black's last chance to hold the game J Polgar vs I Sokolov, 2005  (C95) Ruy Lopez, Closed, Breyer, 40 moves, 1-0 40. Qe3! is the defensive possibility Black missed I Cheparinov vs Karjakin, 2005  (A33) English, Symmetrical, 43 moves, 0-1 28...Rae8! would have held the draw Blackburne vs J Witton, 1885  (C44) King's Pawn Game, 31 moves, 1-0 38. Re8+! for a draw wasn't good enough for White. So he loses Ivkov vs K van Schoor, 1958  (A61) Benoni, 41 moves, 0-1 17...gxh4! Torre vs Saemisch, 1925  (A46) Queen's Pawn Game, 20 moves, 1-0 White misses 19. Bd3! +-, 23. Bxf4= and 38. Rgc1!? Tartakower vs Euwe, 1948  (C53) Giuoco Piano, 42 moves, 0-1 42. Rxd2 ! forces a beautiful draw by perpetual check Portisch vs Kasparov, 1981  (A70) Benoni, Classical with 7.Nf3, 49 moves, 1/2-1/2 41...Qe2!! or 41...Qxe4!! S Muhammad vs L Ross, 2004  (D15) Queen's Gambit Declined Slav, 48 moves, 0-1 33...Qg7! C Drury vs M Rudge, 1889  (C50) Giuoco Piano, 45 moves, 0-1 7...d5! enables Black to mount a strong defense A Mortazavi vs Miles, 1994  (C28) Vienna Game, 37 moves, 0-1 Black missed 98...Kf1=, 78...Nf3=, 76...gxf4= and 23...Rxd4= Yanofsky vs Golombek, 1951  (B18) Caro-Kann, Classical, 102 moves, 1-0 28...Bf8! would have forced the draw by repetition Efimenko vs Nakamura, 2005  (B01) Scandinavian, 80 moves, 1-0 21. Rhg1! would have given White about even chances S Kristjansson vs Shirov, 2005  (B18) Caro-Kann, Classical, 34 moves, 0-1 46...Qa7+! turns White's passed pawn combo into a loss P K Wells vs Shirov, 2005  (A45) Queen's Pawn Game, 48 moves, 0-1 22...Rb8! K Georgiev vs C McNab, 2005  (B06) Robatsch, 59 moves, 1-0 39...Kf7!? and 42...Rf8!? might just hold for a draw K Georgiev vs S Erenburg, 2005  (D15) Queen's Gambit Declined Slav, 52 moves, 1-0 27. h3! instead of 27. Ne3?! offered drawing chances I Rogers vs Aronian, 2005  (C67) Ruy Lopez, 38 moves, 0-1 18. Ne4! Nakamura vs V Cmilyte, 2005  (A45) Queen's Pawn Game, 50 moves, 1-0 22. Rf2! refutes an unsound demolition sacrifice Nakamura vs N Pert, 2005  (D10) Queen's Gambit Declined Slav, 48 moves, 1-0 29. Nf5! Re1! Nyback vs Filippov, 2005  (D43) Queen's Gambit Declined Semi-Slav, 29 moves, 0-1 17. Nxc5! and 39. Rxf7+! M Kazakov vs V Neverov, 2001  (B90) Sicilian, Najdorf, 60 moves, 0-1 56...Qd4! was Black's last chance to equalize J Degraeve vs R Pogorelov, 1992  (B45) Sicilian, Taimanov, 59 moves, 1-0 14. Nxc6! could have saved White's game G Fuster vs Szabo, 1934  (D18) Queen's Gambit Declined Slav, Dutch, 29 moves, 0-1 28...Nd3! would have forced a draw Y Wang vs Ponomariov, 2005  (A00) Uncommon Opening, 41 moves, 1-0 60...g4! 61. Qxg4! forces a draw J L Burden vs L Christiansen, 1992  (B06) Robatsch, 68 moves, 0-1 20. Ng4!? offers black counter chances and maybe equality P Haba vs J Lechtynsky, 2005  (B85) Sicilian, Scheveningen, Classical, 29 moves, 1-0 22. Nxe4+! and 26. Rxd3! Topalov vs Adams, 2005  (E37) Nimzo-Indian, Classical, 41 moves, 1-0 19...Rad8!? seems to defend and give Black a small advantage S Volkov vs Van Wely, 2005  (D97) Grunfeld, Russian, 45 moves, 1-0 40...g5! appears to hold with "best play" Flohr vs G Thomas, 1932   (D51) Queen's Gambit Declined, 43 moves, 1-0 43...Rg7! holds, while 44...Rg7! and 45... Ke5! seem to hold Anand vs Topalov, 2005  (B80) Sicilian, Scheveningen, 59 moves, 1-0 16...Nxd4! P Potemkin vs Alekhine, 1912  (B20) Sicilian, 19 moves, 0-1 25...fxg6! 26.fxg6 Rf7! 27. gxf7 Rf8! = Fischer vs R Cardoso, 1957  (B90) Sicilian, Najdorf, 31 moves, 1-0 24. Rxa4 = holds the position for Black Anand vs Adams, 2005  (E15) Queen's Indian, 52 moves, 0-1 21...Qd8! and 27...h6! could've held the draw Topalov vs Kasparov, 2005  (B30) Sicilian, 30 moves, 1-0 12. Bxf4! J Lansing vs R A Hart, 1907  (C37) King's Gambit Accepted, 15 moves, 1-0 30...Ne4! or 40...Ne4+! could have held for Black Bacrot vs Bologan, 2005  (D37) Queen's Gambit Declined, 44 moves, 1-0 27...Qd4!? and 46...gxf3!? appear to equalize and hold Bologan vs Rublevsky, 2005  (D27) Queen's Gambit Accepted, Classical, 69 moves, 1-0 18. Rc1! a5 19. Bb5! Qc7 20. Bc6 The World vs Kosteniuk, 2004  (B90) Sicilian, Najdorf, 33 moves, 0-1 45...Ka2! holds the draw Anand vs Topalov, 2005  (C67) Ruy Lopez, 46 moves, 1-0 33. Ke3! seems to hold the draw Topalov vs Anand, 2005  (E34) Nimzo-Indian, Classical, Noa Variation, 45 moves, 0-1 24...Rd2!? may be Black's best chance to draw Tal vs Filip, 1967  (B17) Caro-Kann, Steinitz Variation, 27 moves, 1-0 33...Qxc4! appears to hold the draw Anand vs Shirov, 2005  (C42) Petrov Defense, 35 moves, 1-0 14.Qxc3! and 24. Rb1! appear to hold for White Sveshnikov vs S Webb, 1977  (C18) French, Winawer, 38 moves, 0-1 18. a5! defends by counter attack via deflection A Abolianin vs K Lie, 2004  (A31) English, Symmetrical, Benoni Formation, 43 moves, 1-0 21...Nxe3! equalizes for Black and 27. Nc6! holds for Whites Topalov vs Morozevich, 2005  (D08) Queen's Gambit Declined, Albin Counter Gambit, 38 moves, 0-1 48. Bd6!? appears to hold the draw Morozevich vs Gelfand, 2005  (E06) Catalan, Closed, 5.Nf3, 87 moves, 0-1 19...Rxa2!? Black's best chance to draw per GM Keene Keene vs J Tarjan, 1975  (D99) Grunfeld Defense, Smyslov, 23 moves, 1-0 7...g2+! 8. Qh4 gh1Q 9. Nc3! d6! = forces a draw F Schindler vs M Scheiba, 1989  (C37) King's Gambit Accepted, 24 moves, 0-1 18...Bf6! and perhaps 12...Qa4!? earlier Tal vs Smyslov, 1959  (B10) Caro-Kann, 26 moves, 1-0 18...Bd6! for Black & 23. Qe2! or 24. Qe2! for White Kasparov vs Kramnik, 1996  (D47) Queen's Gambit Declined Semi-Slav, 35 moves, 0-1 23. Ne2 R Steel vs Blackburne, 1881   (C52) Evans Gambit, 26 moves, 0-1 27...Rxf4! H Lopez Silva vs L Rojas Keim, 2005  (C15) French, Winawer, 39 moves, 0-1 26. h3! is a possibility White overlooked (see Calli's post) Flohr vs Botvinnik, 1933  (A95) Dutch, Stonewall, 30 moves, 0-1 18...f6! Kotronias vs Benjamin, 2005  (B48) Sicilian, Taimanov Variation, 32 moves, 0-1 10...Na5!= or 10...b5!= D van Geet vs Guyt, 1967   (A00) Uncommon Opening, 15 moves, 1-0 33...Rc5!? might just hold Tal vs L Mista, 1973  (B32) Sicilian, 35 moves, 1-0 12...c6! and Black survives with advantage Denker vs A R Shayne, 1945   (C23) Bishop's Opening, 17 moves, 1-0 34...Rd7! (not 34...Bc5??) holds the position for Black Pillsbury vs E Delmar, 1893  (D00) Queen's Pawn Game, 39 moves, 1-0 23... Bxg2!? 24. Rxd7! Bh3!? puts up max resistance Bronstein vs Keene, 1975  (E01) Catalan, Closed, 30 moves, 1-0 19...Nf4! Boleslavsky vs Dzindzichashvili, 1966  (D27) Queen's Gambit Accepted, Classical, 25 moves, 1-0 24...f6! appears to be Black's last chance to hold Blackburne vs J Parry, 1911  (B24) Sicilian, Closed, 39 moves, 1-0 37...Ne7!? maximizes resistance and seems to hold S Shipov vs Kupreichik, 1990  (E92) King's Indian, 44 moves, 1-0 36...Bc3! holds the position Gilg vs Rubinstein, 1929  (D63) Queen's Gambit Declined, Orthodox Defense, 58 moves, 1-0 32...Rc8 (not 32...f5?) Seirawan vs Z Kozul, 1991  (E77) King's Indian, 42 moves, 1-0 6...Nxd5 or 12...g5! might have improved Capa's chances S Khan vs Capablanca, 1930  (E12) Queen's Indian, 65 moves, 1-0 14. cxd6!, 25. Neg5! and 26. Ne4! seem to hold D Palo vs Nakamura, 2005  (A00) Uncommon Opening, 33 moves, 0-1 12...h6! for Black and 36. Nf4! for White Sasikiran vs C Hansen, 2005  (D36) Queen's Gambit Declined, Exchange, Positional line, 6.Qc2, 49 moves, 1-0 49...Rd7! forces a draw by perpetual check Timman vs J Hector, 2005  (A29) English, Four Knights, Kingside Fianchetto, 61 moves, 1-0 34...Rc8! is the best move and appears to hold for Black M L Hanauer vs Santasiere, 1939  (C86) Ruy Lopez, Worrall Attack, 43 moves, 1-0 43...Ng5! holds the draw M Ashley vs L Christiansen, 2002  (B06) Robatsch, 50 moves, 1-0 20. Bxf8!? is equal but 21. Rc3! gives White an advantage Sadvakasov vs A David, 2005  (C43) Petrov, Modern Attack, 23 moves, 0-1 61. Rce6! Ftacnik vs Uhlmann, 1978  (D93) Grunfeld, with Bf4 & e3, 66 moves, 1-0 31. Be2! g6! Shamkovich vs Benjamin, 1976  (C96) Ruy Lopez, Closed, 42 moves, 1-0 22. Bxd5! D Mastrovasilis vs C Lutz, 1999  (B80) Sicilian, Scheveningen, 35 moves, 0-1 38...Rf5! would have held the draw G Flear vs Nunn, 1987  (E97) King's Indian, 46 moves, 1-0 37...Kf8! turns the tables on White, who missed 37. Nc3! +- K Commons vs Najdorf, 1976  (B42) Sicilian, Kan, 56 moves, 0-1 20...Nxe4!? gives Black practical drawing chances Burn vs J Owen, 1898  (B00) Uncommon King's Pawn Opening, 23 moves, 1-0 33. Ne2!? seems to hold against 31...Bf3!? Marjanovic vs M Vukic, 1980  (A53) Old Indian, 37 moves, 0-1 34. Ng1= (Not 34. Nc1??) Kramnik vs Topalov, 2005  (B80) Sicilian, Scheveningen, 34 moves, 0-1 16...Bd6! is solid but 24...h6! or 24...Be6! hold the draw Adams vs Kramnik, 2005  (C42) Petrov Defense, 41 moves, 1-0 60. Bg8+!! forces the draw Topalov vs J Polgar, 2005  (B48) Sicilian, Taimanov Variation, 68 moves, 1/2-1/2 16...Bxf1 (not 16...Rxa8?!) Ponomariov vs Topalov, 2005  (E10) Queen's Pawn Game, 40 moves, 1-0 21...Kg8! holds the position for Black Topalov vs Anand, 2005  (E15) Queen's Indian, 52 moves, 1-0 33. Be2! avoids the problems with 35. Qd2? Rxb5! Adams vs Topalov, 2005  (B91) Sicilian, Najdorf, Zagreb (Fianchetto) Variation, 54 moves, 0-1 47. Bxf5!? Qxf5 48. Qxf5 Bxf5 49. Rd5 is Black's best try Adams vs Anand, 2005  (C42) Petrov Defense, 60 moves, 0-1 20...bxc3! Ponomariov vs Kramnik, 2005  (E12) Queen's Indian, 45 moves, 1-0 42...Ng5! leads to a draw by perpetual check S Siyuan vs E Schiller, 2005   (A13) English, 50 moves, 1/2-1/2 Kasparov and all the GM analysts missed 46...Qe3! = (Draw) Deep Blue vs Kasparov, 1997  (C93) Ruy Lopez, Closed, Smyslov Defense, 45 moves, 1-0 19. Qf4! J Hector vs Koneru, 2003  (D00) Queen's Pawn Game, 41 moves, 1-0 22...Nh5! should equalize for Black R Antonio vs A Maltese, 2005  (B07) Pirc, 30 moves, 1-0 20...Qd6! breaks the pin and wins for Black A Giaccio vs F Braga, 1996  (B57) Sicilian, 31 moves, 1-0 30. Rc3!= or 41. f4!= or 42. h4!= appear to hold the draw Azmaiparashvili vs Chernin, 1990  (D39) Queen's Gambit Declined, Ragozin, Vienna Variation, 61 moves, 0-1 9. d4! allows White to survive with winning chances K Hamppe vs A Schwarz, 1873  (C25) Vienna, 26 moves, 0-1 White misses 24. Qe2! , 26. Qf3! and 28. Rg2! M Bach vs R Schubert, 1996  (E76) King's Indian, Four Pawns Attack, 53 moves, 0-1 Kramnik misses 32. Ne2!!, 36. Rb3!, 39. Rf2! +- & 40. b8=Q = Kramnik vs Shirov, 1994  (D02) Queen's Pawn Game, 43 moves, 0-1 After 34...Bc8!, Black misses 36...Bb7! L Day vs B Harper, 1975  (B08) Pirc, Classical, 42 moves, 1-0 11...e6! apparently holds and wins for Black Nakamura vs Smirin, 2005  (B09) Pirc, Austrian Attack, 22 moves, 1-0 23. Ra3! was overlooked & was White' s last chance to hold I Varasdy vs S Polgar, 1983  (E80) King's Indian, Samisch Variation, 36 moves, 0-1 25...Qc6! would have saved Black's game F Duz-Khotimirsky vs A Bannik, 1949  (A13) English, 29 moves, 1-0 40. Rg5! forces a draw by threefold reptition of moves Kasimdzhanov vs Accoona Toolbar, 2005  (C97) Ruy Lopez, Closed, Chigorin, 42 moves, 1/2-1/2 14. Qxd7! taking the bait and defending appears to draw Smyslov vs Gufeld, 1967  (A15) English, 35 moves, 0-1 16...fxe6! was Black's last best chance to fight for the draw Spassky vs N Rashkovsky, 1973  (B96) Sicilian, Najdorf, 21 moves, 1-0 8...Bb4+ 9. c3 Qd5 10 cxb4 Ng6 avoids mate K Blom vs Niels Jensen, 1934  (C10) French, 9 moves, 1-0 32. Rd2! and 36. Re6! both seem to hold the draw Adams vs Hydra, 2005  (B23) Sicilian, Closed, 50 moves, 0-1 9...Bxf3+! forces a draw by threefold repetition Chigorin vs J Mortimer, 1900  (C25) Vienna, 27 moves, 1-0 7...bxc6 = or 13...dxe5 +/= might have held for Black. Traxler vs J Samanek, 1900  (C49) Four Knights, 16 moves, 1-0 39. Rh5+! Bird vs Englisch, 1883  (C53) Giuoco Piano, 44 moves, 1/2-1/2 Adams should've played 23...cxd4! Hydra vs Adams, 2005  (C42) Petrov Defense, 33 moves, 1-0 21. f4! holds for the win & 33. Kg3! holds for the draw S del Rio de Angelis vs T Rendle, 2005  (C18) French, Winawer, 47 moves, 0-1 White missed 17. h4! Marshall vs S Bampton, 1899  (C55) Two Knights Defense, 30 moves, 0-1 After 17. Nd5!? the correct defense is 17...Ng6! Leko vs Kramnik, 2005  (B46) Sicilian, Taimanov Variation, 25 moves, 1/2-1/2 25...Rxf3! appears to be Black's last chance to hold Svidler vs Leko, 2005  (B31) Sicilian, Rossolimo Variation, 41 moves, 1-0 44...Qf6! Van Wely vs Svidler, 2005  (D86) Grunfeld, Exchange, 52 moves, 1/2-1/2 49. Rxh5!! forces a draw by repetition of moves Naiditsch vs Kramnik, 2005  (C42) Petrov Defense, 58 moves, 1/2-1/2 17. Bf4! anchors the Knight for a winning White position Unzicker vs O Sarapu, 1970  (B29) Sicilian, Nimzovich-Rubinstein, 19 moves, 1-0 13...gxf6! keeps Black in the game Fischer vs G Kral, 1964  (C10) French, 35 moves, 1-0 31...Bc5+! Topalov vs Kramnik, 1999  (C42) Petrov Defense, 31 moves, 1/2-1/2 26...Nh4 27.gxh4 Bxc3 28.Qf4! is a fascinating resource Morozevich vs Adams, 2001  (C52) Evans Gambit, 27 moves, 0-1 44...Qxe1! appears to hold with a draw for Black B Belopolsky vs B M Kogan, 1984  (B30) Sicilian, 57 moves, 1-0 21...Rd2! would have made an even fight of it for Black Euwe vs I Plukker, 1923  (B83) Sicilian, 31 moves, 1-0 13...gxf6! -+ refutes White's unsound Queen sacrifice P Openshaw vs P Hummel, 1999  (B99) Sicilian, Najdorf, 7...Be7 Main line, 24 moves, 1-0 21...Qf6! makes a fight of it and may refute 18. e6!? Shirov vs G Flear, 2005  (C80) Ruy Lopez, Open, 32 moves, 1-0 37. e6! I Samarin vs Antoshin, 1985  (D11) Queen's Gambit Declined Slav, 36 moves, 0-1 36...Rb8! would have saved Black's game with winning chances J Hall vs S Conquest, 1999  (B12) Caro-Kann Defense, 39 moves, 1-0 29. Rxc6! Qxc6 30. e4 ! Alekhine vs A Love, 1923  (D38) Queen's Gambit Declined, Ragozin Variation, 37 moves, 0-1 25. Bd5 and 27. Nc2 refute two Queen sac swindle tries Sliwa vs Bronstein, 1957  (A81) Dutch, 29 moves, 1-0 18...Nxe4! is Black's only chance to hold R Leitao vs A Baburin, 1998  (D27) Queen's Gambit Accepted, Classical, 21 moves, 1-0 20...Bd8! equalizes and saves Black's game A Nimzowitsch vs E V Nielsen, 1930  (B17) Caro-Kann, Steinitz Variation, 23 moves, 1-0 17. g4! is the saving move White missed J Rosanes vs Anderssen, 1862  (C31) King's Gambit Declined, Falkbeer Counter Gambit, 19 moves, 0-1 25...Rxb5= is Black's best chance to hold Topalov vs Adams, 2005  (A30) English, Symmetrical, 38 moves, 1-0 26. d4 = was White's best chance to hold the position Morozevich vs Topalov, 2005  (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 74 moves, 0-1 28...Qe7!= and 30...Be7!= improve on the game. Topalov vs Kasimdzhanov, 2005  (C84) Ruy Lopez, Closed, 73 moves, 1-0 Instead of 51. Kh3??, 51. Kh1 = draws. D Lapiccirella vs R Mantovani, 2001  (A56) Benoni Defense, 58 moves, 0-1 21. exd6! (not 21. Qe3? Qa4!) 21... exd6 22. a4 Ne2+ 23. Kb1= Hitech vs Kudrin, 1988  (B32) Sicilian, 33 moves, 0-1 Instead of 13...Nf6?? +-, Black should play 13...Bc6! = Bronstein vs Geller, 1955  (B31) Sicilian, Rossolimo Variation, 23 moves, 1-0 12. Re1+! defends the pin with a mating attack Andrews vs F Janssens, 1864  (C55) Two Knights Defense, 14 moves, 1-0 19...Bxe5! J Murey vs E Mortensen, 1982  (E86) King's Indian, Samisch, Orthodox, 7.Nge2 c6, 20 moves, 1-0 22. h3 ! halts Black's attack and equalizes Schlechter vs J Mieses, 1909  (B01) Scandinavian, 26 moves, 0-1 20...Nd7! would have kept Anand out of trouble Kasimdzhanov vs Anand, 2005  (B90) Sicilian, Najdorf, 38 moves, 1-0 28. Bxe4! (not 28. Bxe5??) also 26...Qc6! (not 26...f5?!) Morozevich vs Anand, 2005  (B12) Caro-Kann Defense, 50 moves, 1-0 19. Nd5! is perhaps the move White should have played Azmaiparashvili vs Shirov, 1990  (A16) English, 37 moves, 0-1 11...Qa5! -+ to win is what Black should have played E Diemer vs Portz, 1948  (D00) Queen's Pawn Game, 13 moves, 1-0 Black needed an early 13...Nd7! to resist White's attack Anand vs Kasimdzhanov, 2005  (B90) Sicilian, Najdorf, 29 moves, 1-0 20. Rxe8+! appears to take the sting out of Anand's attack Leko vs Anand, 2005  (C42) Petrov Defense, 53 moves, 0-1 20...f6! instead of 20...d6? holds the position for Leko Svidler vs Leko, 2005  (C84) Ruy Lopez, Closed, 31 moves, 1-0 25. Nxf6+ forces a draw by perpetual check A Kristjansson vs I Brynjolfsson, 1995  (B97) Sicilian, Najdorf, 27 moves, 1/2-1/2 33. Re2!! Short vs Adams, 1988  (B17) Caro-Kann, Steinitz Variation, 50 moves, 1/2-1/2 30. Bh7+! defends against Black's attack and wins the Exchange Aronian vs F Vallejo Pons, 2005  (D45) Queen's Gambit Declined Semi-Slav, 54 moves, 1-0 18...Bh7+! breaks a pawn fork to leave White a piece up Aronian vs Ponomariov, 2005  (D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 73 moves, 1-0 Black should have played 17...Bg5+! O Martius vs K Darga, 1958  (B53) Sicilian, 19 moves, 1-0 33. Nxc4! offers a strong practical defense Tylkowski vs A Wojciechowski, 1931  (A03) Bird's Opening, 40 moves, 0-1 33. Re5! Milov vs G Borg, 2003  (A40) Queen's Pawn Game, 66 moves, 0-1 36. Kh2! is a good practical alternative and may be stronger Marshall vs Capablanca, 1914  (C01) French, Exchange, 61 moves, 0-1 38...Rxd3! Topalov vs Mamedyarov, 2006  (C87) Ruy Lopez, 46 moves, 1/2-1/2 15...Nf3!? is an interesting way to equalize Shirov vs Granda Zuniga, 1993  (C33) King's Gambit Accepted, 24 moves, 1/2-1/2 If 33. Nd4!?, then 33...Bg5! = A Stefanova vs V Akopian, 2006  (A45) Queen's Pawn Game, 52 moves, 0-1 27...Nxe5! probably wins & 50...axb5! draws Dominguez Perez vs Nakamura, 2006  (C11) French, 66 moves, 1-0 44...a1Q!!= appears to hold the draw for Black Smyslov vs J Rubinetti, 1970  (E08) Catalan, Closed, 45 moves, 1-0 23. Rxc6! Ivanchuk vs Svidler, 2004  (E80) King's Indian, Samisch Variation, 38 moves, 1-0 27. Nh2! initiates a strong refutation of an unsound attack Topalov vs I Sokolov, 2006  (C78) Ruy Lopez, 37 moves, 1-0 41...Qe8! is more stubborn (maximizes resistance) L Day vs J Yoos, 1996  (B23) Sicilian, Closed, 55 moves, 1-0 37...Kh7! and there would be no need to resign. J Lechtynsky vs T Oral, 2001  (A04) Reti Opening, 37 moves, 1-0 20. Ke3! maintains White's winning advantage Fitzgerald vs S Loyd, 1877  (C39) King's Gambit Accepted, 26 moves, 0-1 26...Nxg2! M Leon Hoyos vs Movsesian, 2006  (A07) King's Indian Attack, 32 moves, 0-1 38. Qf6+! +- avoids a clever perpetual check trap Tolush vs V Mikenas, 1950  (D70) Neo-Grunfeld Defense, 42 moves, 1-0 28...Rd7! and play that follows shows Capa's defensive genius Marshall vs Capablanca, 1909  (D53) Queen's Gambit Declined, 43 moves, 0-1 23. Bc1! appears to hold the position for a winning advantage J Shahade vs M Ginsburg, 2003  (B06) Robatsch, 32 moves, 0-1 28. Rd5! Junior vs Rybka, 2006  (B48) Sicilian, Taimanov Variation, 40 moves, 1/2-1/2 25. Ne6! uses an exchange sacrifice to maximize resistance Rublevsky vs A Volokitin, 2006  (B23) Sicilian, Closed, 37 moves, 1-0 17. Bxh7+? allows 17...Kh8! M Shereshevsky vs Kupreichik, 1976  (D05) Queen's Pawn Game, 19 moves, 0-1 White missed draws with 35. Bf5! & 41. g3! Ivanchuk vs Kasparov, 1990  (B97) Sicilian, Najdorf, 46 moves, 0-1 10. Nb5 = was one of several saving 10th moves White mised. P McEvan vs G Kito, 1967  (C34) King's Gambit Accepted, 16 moves, 0-1 25...Nc2! can be met by 26. Bxc4! = Plachetka vs P Peev, 1974  (A58) Benko Gambit, 46 moves, 0-1 25. Qe6! Botvinnik vs Smyslov, 1945  (D13) Queen's Gambit Declined Slav, Exchange Variation, 31 moves, 1-0 22...Rd8! maximizes resistance, though White is still better Tal vs A Kolarov, 1957  (B94) Sicilian, Najdorf, 30 moves, 1-0 30...Rxd4! V Egin vs Tukmakov, 1979  (B30) Sicilian, 37 moves, 0-1 20...Be4! and 21...Ng4! refute a dubious demolition sacrifice Y Visser vs Speelman, 2006  (B17) Caro-Kann, Steinitz Variation, 28 moves, 0-1 12...Bf5! spoils White's demolition sacrifice Le Clercq vs S Polgar, 1982  (B22) Sicilian, Alapin, 13 moves, 0-1 25...Bxg2+! improves over the game continuation J Mestel vs Miles, 1979  (B41) Sicilian, Kan, 43 moves, 0-1 23. b4! avoids the loss of the exchange Blackburne vs A G Howard, 1862   (C45) Scotch Game, 36 moves, 1-0 24. Kd1! +/- seems to be White's best chance to hold Adianto vs N Mariano, 2005  (A57) Benko Gambit, 34 moves, 0-1 31. Nxd5! A Kosten vs R Zelcic, 1992  (D32) Queen's Gambit Declined, Tarrasch, 81 moves, 1/2-1/2 27. R4f2!! Pillsbury vs Schiffers, 1898  (D55) Queen's Gambit Declined, 45 moves, 1-0 26. Qxg6! Naiditsch vs Van Wely, 2005  (B42) Sicilian, Kan, 60 moves, 1/2-1/2 19...Bd3!! is one of the greatest defensive moves ever played L Gutman vs A Vitolinsh, 1979  (E46) Nimzo-Indian, 27 moves, 0-1 25...Rxe4! Tal vs D Keller, 1959  (D44) Queen's Gambit Declined Semi-Slav, 34 moves, 1-0 33. Na4! +/- would have held with advantage P Carlsson vs F Vallejo Pons, 2005  (B42) Sicilian, Kan, 53 moves, 0-1 19. c4! holds the position per Kasparov W Winter vs Capablanca, 1919  (C49) Four Knights, 29 moves, 0-1 22. Be6! put s up strong and clever resistance B Lengyel vs Mikhalevski, 1993  (C82) Ruy Lopez, Open, 22 moves, 0-1 24...Ne5!! saves Black's game Westerinen vs G Sigurjonsson, 1977  (B96) Sicilian, Najdorf, 32 moves, 1-0 43. Qe3! protects both the enprise Queen & Bishop Sadvakasov vs Shulman, 2007  (C19) French, Winawer, Advance, 47 moves, 1-0 35...Re8! would have won for Black C Goering vs Anderssen, 1877  (B46) Sicilian, Taimanov Variation, 37 moves, 1-0 22...Be5!! refutes the positional sham sacrfice 21. Nd5?! Aronian vs Anand, 2007   (D44) Queen's Gambit Declined Semi-Slav, 41 moves, 0-1 28. Rf1! J Oms Pallisse vs Nakamura, 2007  (E97) King's Indian, 35 moves, 1-0 33. Rb8+! is a winning offensive and defensive move Korchnoi vs Tseitlin, 1993  (D85) Grunfeld, 42 moves, 1-0 33. Rd5! gives White drawing chances M Rotova vs P Mors, 1992  (C44) King's Pawn Game, 41 moves, 0-1 32...Qf6 (see Al Wazir's post) I Ionica vs V Jianu, 2001  (B33) Sicilian, 33 moves, 1-0 18. Nf3! and 19. Qe5! I Cheparinov vs Nepomniachtchi, 2008  (D44) Queen's Gambit Declined Semi-Slav, 29 moves, 1-0 Larsen overlooks a clever defense after 28...e2 -/+. B Larsen vs Tal, 1984  (A30) English, Symmetrical, 28 moves, 0-1 29...Ne2+!! holds--see Jimfromprovidence & Waitaka Zvjaginsev vs Y Vovk, 2008  (B30) Sicilian, 29 moves, 1-0 28...Ke8!! is the move Black overlooked to hold the game V Pina vs D Duarte, 2001  (B12) Caro-Kann Defense, 32 moves, 1-0 40. Bd7! breaks Black's pin with a discovered attack threat Fischer vs R Shocron, 1959  (C97) Ruy Lopez, Closed, Chigorin, 40 moves, 1-0 23...Bc8! A Hennings vs I Radulov, 1972  (B57) Sicilian, 32 moves, 0-1 32. Re3! seems to force a draw by perpetual J Parker vs N Pert, 1999  (A92) Dutch, 32 moves, 0-1 11. Kf1! sets up to fend off Black's attack and win F Vallejo Pons vs Naiditsch, 2007  (C57) Two Knights, 29 moves, 1-0 35...Qe5! forces simplification to a drawis ending Vidmar vs Maroczy, 1932  (D34) Queen's Gambit Declined, Tarrasch, 129 moves, 1/2-1/2 15...b5! defends against & busts White's ill fated Queen trap I Miladinovic vs Vachier-Lagrave, 2008  (A45) Queen's Pawn Game, 40 moves, 0-1 27. h5! is White's only move to hold P Zilles vs V Kutsankov, 2005  (A00) Uncommon Opening, 27 moves, 0-1 38. gxh7+! avoids mate and secures a strong advantage Karjakin vs Ivanchuk, 2008  (B66) Sicilian, Richter-Rauzer Attack, 7...a6, 39 moves, 0-1 33. Rhf1! holds for White and wins against Marshall's analysis Burn vs Marshall, 1906  (D02) Queen's Pawn Game, 40 moves, 0-1 36...Ng5! 37. Rxg5 b6!! Dolmatov vs A Guseinov, 1988  (B32) Sicilian, 40 moves, 1-0 13...Qa5+! P Charbonneau vs H A Hussein Al-Ali, 2008  (C10) French, 13 moves, 0-1 24...g6! = seems to force a draw by repetition Kaidanov vs Anand, 1987  (D41) Queen's Gambit Declined, Semi-Tarrasch, 25 moves, 1-0 33. hxg3! Qg5 34. Qc4! Qh5 35. f3! Bxf3 36. Qf1! = I Rausis vs Sadler, 1999  (D27) Queen's Gambit Accepted, Classical, 38 moves, 0-1 24...Rad8! prepares sharp tactics to overcome a queen trap Kotronias vs Nakamura, 2009  (B18) Caro-Kann, Classical, 32 moves, 1-0 33. Rxe4! +- would have held and likely won Anand vs Aronian, 2009  (D47) Queen's Gambit Declined Semi-Slav, 53 moves, 0-1 39. g4!! Stellwagen vs Anand, 2009  (B97) Sicilian, Najdorf, 52 moves, 0-1 23...e4! avoids mate and gives practical winning chances Kupreichik vs N Rashkovsky, 1986  (B57) Sicilian, 43 moves, 0-1 22...Ke7! Tal vs Koblents, 1957  (B63) Sicilian, Richter-Rauzer Attack, 37 moves, 1-0 20. Ne2! and 20. Rf2! are improvements--see RV and Jfp posts C Schultz vs C Carls, 1900  (C45) Scotch Game, 28 moves, 0-1 23...Rf5! or 29...Rhd6! would have held with some advantage Giri vs F A Cuijpers, 2009  (D17) Queen's Gambit Declined Slav, 40 moves, 1-0 17...Rxc3!! defends with decisive advantage Nijboer vs Anand, 1998   (B65) Sicilian, Richter-Rauzer Attack, 7...Be7 Defense, 9...Nxd4, 36 moves, 0-1 60. b8=N S Shipov vs V Gagarin, 1994  (E15) Queen's Indian, 60 moves, 1/2-1/2 37...Rxf5! was the move Black should have played B Larsen vs E Torre, 1987  (C24) Bishop's Opening, 56 moves, 1-0 21. Qg4! Qxg4! Van Essen vs C Woskoff, 1931  (C53) Giuoco Piano, 24 moves, 1-0 36. Qc2 or 36. h3 holds for equality (but not 36. Qxd8?? Qd3!) Y Marrero Lopez vs A Perez Quinones, 2005  (C02) French, Advance, 37 moves, 1-0 50...Rh1+!! forces a repetition of moves to save the draw R Bator vs Bareev, 1987  (C02) French, Advance, 52 moves, 1/2-1/2 37...Rxf2! J Becerra Rivero vs H Spangenberg, 1994  (B31) Sicilian, Rossolimo Variation, 42 moves, 1-0 44. Nd3! = is the saving move White missed A Huss vs Lobron, 1985  (E94) King's Indian, Orthodox, 45 moves, 0-1 36...Kf7!= I Nataf vs Y Wang, 2004  (B33) Sicilian, 41 moves, 1-0 39...h6! is an amazing defensive resource that appears to hold Nunn vs H Pfleger, 1989  (B09) Pirc, Austrian Attack, 57 moves, 1-0 34. Rd3! holds due to White's mate threats Benko vs Suttles, 1964  (B06) Robatsch, 35 moves, 1-0 29...Ra6! defends the 27...Rxd5!? sacrifice with advantage. G Kuzmin vs B Alterman, 1989  (B76) Sicilian, Dragon, Yugoslav Attack, 37 moves, 1-0 30...Bxe5! probably would have held Carlsen vs Dominguez Perez, 2010  (D97) Grunfeld, Russian, 45 moves, 1-0 17...Qa4! -+ refutes Tal's pretty 16. Rd3?! sacrifice Tal vs Koblents, 1965  (B82) Sicilian, Scheveningen, 22 moves, 1-0 23...Nc5! refutes the sacrifice 23. Rxf7!? Tal vs Aronin, 1962  (B32) Sicilian, 37 moves, 0-1 27...Kh7! -+ improves and refutes the sacrifice 21. Nf5!? Topalov vs Grischuk, 2010  (B90) Sicilian, Najdorf, 69 moves, 1-0 9...Qf5! busts the Muzio variation of the King's Gambit Shirov vs J Lapinski, 1990  (C37) King's Gambit Accepted, 17 moves, 1-0 18...Rxg5!! L Baze vs T Palmer, 2004  (C48) Four Knights, 25 moves, 0-1 21. Kb2!! +- E Tairova vs M Sandu, 2008  (B81) Sicilian, Scheveningen, Keres Attack, 39 moves, 1-0 29...Rxf2! Short vs Psakhis, 1999  (C18) French, Winawer, 42 moves, 1-0 21. Qd4! appears to hold for White M Sorokin vs M Ulybin, 1986  (C05) French, Tarrasch, 24 moves, 0-1 52. Nc5!! sets up 55. Rf5+! = Dreev vs Yudasin, 1990  (E20) Nimzo-Indian, 59 moves, 1/2-1/2 48...Rf2+! V F Titenko vs J Murey, 1963  (D19) Queen's Gambit Declined Slav, Dutch, 54 moves, 1/2-1/2 39...Qf4!! M Roiz vs Naiditsch, 2010  (A13) English, 41 moves, 1-0 23...Na4! C Poulsen vs R Grau, 1937  (D37) Queen's Gambit Declined, 29 moves, 0-1 19...Qe3+! turns the tables on a resigned position V Lepikhin vs Alekseev, 1959  (B92) Sicilian, Najdorf, Opocensky Variation, 19 moves, 1-0 28...Qxf2! = holds the draw K Berg vs G Jacoby, 2007  (A21) English, 31 moves, 1-0 38. Na8! gives White excellent drawing chances. D Yanjindulam vs T Tsereteli, 2010  (B22) Sicilian, Alapin, 66 moves, 1/2-1/2 29. Re8+!! solves a difficult Saturday puzzle Khalifman vs Kaidanov, 1986  (C82) Ruy Lopez, Open, 38 moves, 1/2-1/2 59...Rxh4! 60. Kxh4 Bd4 = solves a Thursday puzzle. H Ree vs Hort, 1986  (A41) Queen's Pawn Game (with ...d6), 62 moves, 1/2-1/2 23...Qb4!! solves a Saturday puzzle P Carlsson vs Timman, 2007  (C05) French, Tarrasch, 26 moves, 0-1 36...Nxf4!! solves a difficult Sunday puzzle G Sagalchik vs A Kovalev, 1987  (E73) King's Indian, 41 moves, 1-0 17...Bd5! would have held Dvoirys vs S Poliantsev, 1987  (B61) Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2, 21 moves, 1-0 K Haznedaroglu vs J Isaev, 2010  (C69) Ruy Lopez, Exchange, Gligoric Variation, 22 moves, 0-1 19. Bf1! appears to break Black's attack and win W Schmidt vs R Henley, 1983  (D44) Queen's Gambit Declined Semi-Slav, 27 moves, 0-1 329 games