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Member since Dec-18-22 · Last seen Jun-03-23
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   Allderdice83 has kibitzed 106 times to chessgames   [more...]
   Jun-02-23 A Mikhalchishin vs S Cvetkovic, 1988 (replies)
Allderdice83: On further review, I played through the text and had a hard time seeing why Black resigned. Finally figured out that White wins after 66 ... Kg6 67. Qg7+ Kf5 68. f7 Qe4+ 69. Kg3 Qd3+ 70. Kh2 Qd6+ 71. Qg3. The checks are done for now, but White still has some work left: 71 ... ...
   Jun-01-23 A Korobov vs A Volokitin, 2001 (replies)
Allderdice83: And White's Q is blocked from h3 by the rook. If 30 ... Rf4? then 31. Qh3 or 31. Rxd8+ Qxd8 32. Qh3, and Black can win material but doesn't have a mate.
   May-31-23 Alekhine vs R Mikulka, 1925
Allderdice83: BTW, how can today's (or any day's) Opening of the Day be Damiano's Defense?? (two ?s for 2 ... f6??). That Damiano guy must have been the club patzer.
   May-30-23 Spassky vs Portisch, 1977
Allderdice83: 34. Nh5!! is a disaster-blaster! 35. Nf6+ is threatened, and 34 ... Bg7 loses the knight on e7. 34 ... gxh5 35. gxh5+ Kh7 36. Bxe7 Rxc4 37. Rg1 and I see no defense to the threat of 38. Be4+ and 39. Qg8#. At least no good defense (Black can play 37 ... Rg4 and go into an ...
   May-29-23 Spassky vs Geller, 1968
Allderdice83: 22 ... Re8 gives Black a better defense. 23. Rxf6 exf6 24. Qh7+ Kf8 25. Nxf7 Kxf7 26. Bh6 Ke7 27. Qxg7+ Kd8 28. Qxf6+ Kc8 and the king has escaped (+1.4). However, White can instead play 23. e5! Now 23 ... Bxg2? 24. Rxf6! (24. exf6 is less good) exf6 25. exf6 Rxe3 26. Qh7+ Kf8 ...
   May-29-23 Spassky vs Geller, 1968
Allderdice83: Looking at this again with Stockfish, Black is doing fine until 31 ... Bb7? He has to play 31 ... Rbb7 here to guard g7, which is more important than g8 since White has a bishop already hitting g7. Stockfish evaluates this as dead even (0.00). After 35. Qf2 (35. Qf4 is better ...
   May-29-23 Spassky vs D Minic, 1965
Allderdice83: 22 ... Rd6?! is actually an inaccuracy according to Stockfish 15. Black should just trade down with 22 ... Rxe1 23. Rxe1 Re8. However, obviously, Minic wasn't playing for a draw; he was playing for a mistake by Spassky that would let him win, and he got it. 30 Bh3?? is ...
   May-29-23 Botvinnik vs Kotov, 1946 (replies)
Allderdice83: 8. f3 and 10. e3 look curious to say the least. All those pawn moves, and after 10. e3, White has no pieces developed, and never castles. Hardly worthy of a world champion.
   May-29-23 J P Batista vs G R S Name, 2009
Allderdice83: I had 20. Nxf7 Kxf7 21. Ng5+ Kg8 22. Bxe6+ Rxe6 23. Nxe6 Qh4. Then the game might continue 24. Rf3 (I'd rather use my rook than my queen to guard against the threatened perpetual of 24 ... Ng3+ 25. Kg1 Ne2+ 26. Kh1 Ng3+ etc.) Nf6 25. Nxg7 Ng4 (threatening 26 ... Qxh2# and if ...
   May-27-23 Bologan vs P Schlosser, 2004
Allderdice83: Above, after 27 ... Nxd4 28. Qg5+, that should be Kh8 or Kh7, not Kh6, and then White has 29. Qg7#
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