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patzer2
Member since May-20-03 · Last seen Aug-13-18
A former class A player over 25 years ago, I'm returning to studying chess as a hobby in retirement. Spending more time on end games and middle game tactics than openings now. I may try playing in tournaments again later, but for now I like the challenge of analyzing and trying to understand the subtlties of strong Master games.
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   patzer2 has kibitzed 16480 times to chessgames   [more...]
   Aug-12-18 Y Chan vs E Galvez Dastin, 2008 (replies)
 
patzer2: Black's decisive mistake in this game appears to be 19...Rxd4?, allowing 20. Qxa7+ Kc7 21. Rxd4 Qxd4 22. Rc3 +- (+2.00 @ 34 ply, Stockfish 9). Instead, 19...Nc8 20. g3 Qc7 21. h5 Qxa5 22. Rxa5 ⩲ (+0.27 @ 37 ply, Stockfish 8) gives Black a fighting chance.
 
   Aug-04-18 Svidler vs M Vachier-Lagrave, 2018
 
patzer2: <Ulhumbrus: 20 e5? looks like an unnecessary pawn sacrifice.> Indeed 20. e5?, allowing 20...fxe5 21. Re1 f6 ⩱ (-0.58 @ 40 ply, Stockfish 9), was unnecessary and weak. Instead, 20. Rc1 ⩲ (+0.45 @ 36 ply, Stockfish 9), 20. a4 ⩲ (+0.43 @ 36 ply, Stockfish 9) ...
 
   Jul-31-18 Mamedyarov vs Navara, 2018
 
patzer2: This game is an excellent training tool for learning how strong GMs squeeze small advantages in the later middle game and endgame for a win. As <cormier>'s Houdini analysis indicates 27...Re4+ ⩲ to (+0.63 @ 33 ply, Stockfish 9) would have put up more resistance than the
 
   Jul-31-18 Averbakh vs Kotov, 1953 (replies)
 
patzer2: <Once> Thanks for letting us know of the passing of CG co-founder Daniel Freeman. I only knew him by correspondence, which was always cordial and professional, and by the great product he produced here on a daily basis. My sympathies to his friends and family. Even though I ...
 
   Jul-30-18 I Mody vs Z Basil Ghazala, 2004
 
patzer2: The obvious mistake is 44. Kf2? allowing the Knight Fork 44...Ne4+ -+ (-4.97 @ 24 ply, Stockfish 9). Instead, 44. Nc6 = (0.00 @ 31 ply, Stockfish 9) holds it level.
 
   Jul-30-18 S Volkov vs D Anikonov, 2016 (replies)
 
patzer2: Correction: For a Black improvement, 114...Kf4 = (Stockfish 9 analysis of move 114...? ) appears to hold the draw. After the decisive error 114...Bc7?, White can force mate in 18 with 115. Nb7! +- (Stockfish 9 analysis of move 115.? ).
 
   Jul-28-18 B Adhiban vs D Andreikin, 2017 (replies)
 
patzer2: <Walter Glatke> Our Stockfish 9 analysis of move 21...? indicates 21. Nxf5 = (+0.04 @ 22 ply) is only good for equality.
 
   Jul-27-18 M Bluebaum vs E Najer, 2017 (replies)
 
patzer2: <Yuridmi> <26. fxg3 hxg3 27.Ra2 Nxg4 28.Be3 Shredder 12 rates this as even...> After 26. fxg3, Stockfish 8 gives 26...e3 27. Qxe3 Rxe3 28. Bxe3 Ne4 -+ ( -10.28 @ 33 ply) or 26...Nxg4 27. hxg4 Rf6+ -+ (-10.78 @ 33 ply) as winning for Black.
 
   Jul-26-18 Svidler vs N Georgiadis, 2018
 
patzer2: <An Englishman: Good Morning: 39.White to Play--if sound, a future puzzle> No doubt 39. Nxh6! ± (+1.24 @ 34 ply, Stockfish 8) is sound. I think it would make for a good Thursday or Friday puzzle discussion, especially since the second best alternative 39. axb5 ± ...
 
   Jul-26-18 A Firouzja vs E Cordova, 2017 (replies)
 
patzer2: Found all six moves of today's Thursday (31. ?) puzzle solution, starting with 33. Rxd3 +- (+3.92 @ 25 ply, Stockfish 9). For me, it was more like playing an actual game than solving a chess puzzle. Perhaps that's because I wasn't sure White had a decisive advantage until I found ...
 
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