#1(Tied) Rybka vs Nakamura, 2007  (B81) Sicilian, Scheveningen, Keres Attack, 255 moves, 1/2-1/2 #1(Tied) I Nikolic vs G Arsovic, 1989  (E95) King's Indian, Orthodox, 7...Nbd7, 8.Re1, 255 moves, 1/2-1/2 #2 Rybka vs Nakamura, 2008  (A00) Uncommon Opening, 255 moves, 0-1 #3 Ivanchuk vs Leko, 2007  (E15) Queen's Indian, 215 moves, 1/2-1/2 #4 M Herrera vs B Ribeiro, 2004  (B90) Sicilian, Najdorf, 211 moves, 1/2-1/2 #5 T L Petrosian vs D Milanovic, 2005  (B30) Sicilian, 199 moves, 0-1 #6 G Sargissian vs I Kurnosov, 2008  (E60) King's Indian Defense, 196 moves, 1-0 #7 Y Stepak vs Y Mashian, 1980  (E19) Queen's Indian, Old Main line, 9.Qxc3, 193 moves, 1-0 #8 Seirawan vs J Xu, 1988  (D30) Queen's Gambit Declined, 191 moves, 1/2-1/2 #9 Loop vs Chiron, 2007  (A20) English, 190 moves, 1/2-1/2 #10 Nakamura vs C Zhu, 2004  (D45) Queen's Gambit Declined Semi-Slav, 182 moves, 1/2-1/2 #11 Rybka vs Zappa, 2007  (C92) Ruy Lopez, Closed, 180 moves, 0-1 #12 E Romanov vs A Savickas, 2005  (B72) Sicilian, Dragon, 178 moves, 1/2-1/2 #13 T Likavsky vs N Mitkov, 2006  (E32) Nimzo-Indian, Classical, 172 moves, 1-0 #14 Nijboer vs S Volkov, 2005  (C05) French, Tarrasch, 171 moves, 0-1 #15(Tied) Deep Fritz vs Deep Junior, 2001  (D04) Queen's Pawn Game, 170 moves, 1/2-1/2 #15(Tied) A Pedro vs F Berend, 2004  (E00) Queen's Pawn Game, 170 moves, 1/2-1/2 #16(Tied) A Kovchan vs H Simonian, 2007  (B42) Sicilian, Kan, 168 moves, 1/2-1/2 #16(Tied) H Wolf vs Duras, 1907  (C77) Ruy Lopez, 168 moves, 1-0 #17(Tied) A Volokitin vs Movsesian, 2008  (B81) Sicilian, Scheveningen, Keres Attack, 164 moves, 1/2-1/2 #17(Tied) Chernin vs Kupreichik, 1987  (A10) English, 164 moves, 1/2-1/2 #17(Tied) V Akobian vs Y Lapshun, 2003  (D91) Grunfeld, 5.Bg5, 164 moves, 1/2-1/2 #17(Tied) Shredder vs Zappa, 2007  (C07) French, Tarrasch, 164 moves, 1/2-1/2 #18(Tied) The Baron vs Zappa, 2007  (D35) Queen's Gambit Declined, 163 moves, 0-1 #18(Tied) H Olafsson vs Petursson, 1988  (E11) Bogo-Indian Defense, 163 moves, 1/2-1/2 #18(Tied) N Miezis vs D Sharavdorj, 2001  (A36) English, 163 moves, 1/2-1/2 #18(Tied) A Nukin vs I Enchev, 2008  (B88) Sicilian, Fischer-Sozin Attack, 163 moves, 1/2-1/2 #19(Tied) Short vs Salov, 1990  (C53) Giuoco Piano, 162 moves, 0-1 #19(Tied) Fritz vs Deep Sjeng, 2004  (A07) King's Indian Attack, 162 moves, 1/2-1/2 #20(Tied) Duras vs Janowski, 1911  (C77) Ruy Lopez, 161 moves, 0-1 #20(Tied) Dlugy vs F Doettling, 2006  (D36) Queen's Gambit Declined, Exchange, Positional line, 6.Qc2, 161 moves, 1/2-1/2 #21(Tied) D Gurevich vs C Hansen, 1986  (D61) Queen's Gambit Declined, Orthodox, Rubinstein Attack, 160 moves, 1-0 #21(Tied) Zappa vs GridChess, 2007  (A07) King's Indian Attack, 160 moves, 1-0 #21(Tied) Zappa vs Jonny, 2006  (E19) Queen's Indian, Old Main line, 9.Qxc3, 160 moves, 1/2-1/2 #22(Tied) I Hakki vs P Dagkakis, 2006  (C60) Ruy Lopez, 159 moves, 1-0 #22(Tied) Lipschutz vs Bird, 1889  (B25) Sicilian, Closed, 159 moves, 1/2-1/2 #22(Tied) A Nguyen vs E Bagamasbad, 2007  (B27) Sicilian, 159 moves, 1/2-1/2 #23(Tied) K Georgiev vs J Chabanon, 2001  (A16) English, 157 moves, 1/2-1/2 #23(Tied) D Kosic vs L Lenic, 2008  (B06) Robatsch, 157 moves, 1/2-1/2 #24 Marjanovic vs Z Krnic, 1983  (B44) Sicilian, 156 moves, 1/2-1/2 #25(Tied) I Cheparinov vs A Stefanova, 2005  (C78) Ruy Lopez, 155 moves, 1-0 #25(Tied) Crafty vs Nakamura, 2007  (A00) Uncommon Opening, 155 moves, 0-1 #26(Tied) J Sofrevski vs Geller, 1968  (A36) English, 154 moves, 1/2-1/2 #26(Tied) Miles vs Panno, 1985  (A53) Old Indian, 154 moves, 1/2-1/2 #26(Tied) D Komarov vs S Sarno, 2001  (E92) King's Indian, 154 moves, 1/2-1/2 #26(Tied) D Kalashian vs R Pile, 2006  (B43) Sicilian, Kan, 5.Nc3, 154 moves, 1/2-1/2 #26(Tied) A Muzychuk vs N Pogonina, 2007  (B50) Sicilian, 154 moves, 1/2-1/2 #27(Tied) Junior vs Ponomariov, 2005  (C18) French, Winawer, 153 moves, 1/2-1/2 #27(Tied) B Finegold vs S Bercys, 2006  (E97) King's Indian, 153 moves, 1/2-1/2 #28(Tied) Z Ilincic vs D Barlov, 1994  (E91) King's Indian, 152 moves, 1/2-1/2 #28(Tied) E Repkova vs O Babiy, 2005  (B40) Sicilian, 152 moves, 1/2-1/2 #28(Tied) X Bu vs K Asrian, 2005  (E32) Nimzo-Indian, Classical, 152 moves, 1/2-1/2 #29(Tied) A Sokolov vs Lautier, 1989  (C05) French, Tarrasch, 151 moves, 1-0 #29(Tied) J Piket vs Lautier, 1995  (D29) Queen's Gambit Accepted, Classical, 151 moves, 1-0 #29(Tied) S Ernst vs M Ferguson, 2006  (D18) Queen's Gambit Declined Slav, Dutch, 151 moves, 1-0 #29(Tied) Rybka vs Crafty, 2007  (C99) Ruy Lopez, Closed, Chigorin, 12...cd, 151 moves, 1/2-1/2 #30(Tied) S Gorelov vs Vaganian, 1981  (A31) English, Symmetrical, Benoni Formation, 150 moves, 1/2-1/2 #30(Tied) E Sziva vs T Lanchava, 2001  (B09) Pirc, Austrian Attack, 150 moves, 1/2-1/2 #30(Tied) Onischuk vs I Cheparinov, 2005  (D18) Queen's Gambit Declined Slav, Dutch, 150 moves, 1/2-1/2 #30(Tied) J Egerc vs N Mrkonjic, 2007  (B18) Caro-Kann, Classical, 150 moves, 1/2-1/2 #31(Tied) Deep Fritz vs Junior, 2001  (E06) Catalan, Closed, 5.Nf3, 149 moves, 1/2-1/2 #31(Tied) R Wang vs Koneru, 2005  (D32) Queen's Gambit Declined, Tarrasch, 149 moves, 1/2-1/2 #31(Tied) Y Wang vs Tiviakov, 2007  (E12) Queen's Indian, 149 moves, 1/2-1/2 #32(Tied) B Belotti vs Vaganian, 1994  (E48) Nimzo-Indian, 4.e3 O-O 5.Bd3 d5, 148 moves, 1/2-1/2 #32(Tied) Dreev vs A Aleksandrov, 2000  (D38) Queen's Gambit Declined, Ragozin Variation, 148 moves, 1/2-1/2 #32(Tied) Shankar Roy vs K Qin, 2000  (C45) Scotch Game, 148 moves, 1/2-1/2 #32(Tied) V Neverov vs A Mastrovasilis, 2005  (A70) Benoni, Classical with 7.Nf3, 148 moves, 1-0 #33(Tied) Yueh Wei Po vs N Arora, 2006  (E90) King's Indian, 147 moves, 1/2-1/2 #33(Tied) N Pert vs M Peek, 2007  (A80) Dutch, 147 moves, 1-0 #34(Tied) Pillsbury vs Schlechter, 1904  (C87) Ruy Lopez, 146 moves, 1/2-1/2 #34(Tied) J Polgar vs Morozevich, 2008  (C92) Ruy Lopez, Closed, 146 moves, 1/2-1/2 #34(Tied) Chernin vs A Utnasunov, 2000  (D45) Queen's Gambit Declined Semi-Slav, 146 moves, 1-0 #35(Tied) K Urban vs D Rogic, 1997  (A15) English, 145 moves, 0-1 #35(Tied) Zappa vs Fruit, 2005  (A84) Dutch, 145 moves, 1-0 #35(Tied) Bologan vs B Grachev, 2008 (D30) Queen's Gambit Declined, 145 moves, 1/2-1/2 #36(Tied) Mackenzie vs Mason, 1882  (C41) Philidor Defense, 144 moves, 1/2-1/2 #36(Tied) Chigorin vs Mason, 1901  (C77) Ruy Lopez, 144 moves, 1-0 #36(Tied) R Nezhmetdinov vs V Byvshev, 1954  (A07) King's Indian Attack, 144 moves, 1/2-1/2 #36(Tied) J Rudd vs P Roberson, 2006  (A65) Benoni, 6.e4, 144 moves, 1/2-1/2 #37(Tied) Van der Wiel vs Fedorowicz, 1981  (B64) Sicilian, Richter-Rauzer Attack, 143 moves, 1/2-1/2 #37(Tied) Huebner vs Ftacnik, 1984  (D91) Grunfeld, 5.Bg5, 143 moves, 1-0 #37(Tied) A Ustinov vs I Karandaev, 2001  (B01) Scandinavian, 143 moves, 1-0 #37(Tied) S Nadir vs I H Labib, 2001  (A16) English, 143 moves, 1/2-1/2 #38(Tied) Winawer vs M Weiss, 1882  (C11) French, 142 moves, 1/2-1/2 #38(Tied) Lputian vs G Harutjunyan, 2001  (E97) King's Indian, 142 moves, 1-0 #38(Tied) L Javakhishvili vs A Ushenina, 2005 (A43) Old Benoni, 142 moves, 1/2-1/2 #38(Tied) J L Hammer vs E Moradiabadi, 2008  (C89) Ruy Lopez, Marshall, 142 moves, 1-0 #39(Tied) V Golod vs M Ginzburg, 2005 (D11) Queen's Gambit Declined Slav, 141 moves, 1-0 #39(Tied) S Erenburg vs T Luther, 2004  (C41) Philidor Defense, 141 moves, 1/2-1/2 #39(Tied) Movsesian vs D Stojanovic, 2005 (B31) Sicilian, Rossolimo Variation, 141 moves, 1/2-1/2 #39(Tied) F Vallejo Pons vs Mikhalevski, 2008 (A48) King's Indian, 141 moves, 1/2-1/2 #40(Tied) C Bauer vs Sadler, 1999 (B43) Sicilian, Kan, 5.Nc3, 140 moves, 1/2-1/2 #40(Tied) ParSOS vs Crazy Bishop, 2004  (C44) King's Pawn Game, 140 moves, 1/2-1/2 #40(Tied) L Espig vs A Graf, 2004  (A04) Reti Opening, 140 moves, 0-1 #40(Tied) T S Nguyen vs Motylev, 2008 (D43) Queen's Gambit Declined Semi-Slav, 140 moves, 0-1 95 games