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patzer2
Member since May-20-03 · Last seen Nov-21-17
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 16067 times to chessgames   [more...]
   Nov-21-17 M Muresan vs M Porubszky-Angyalosine, 1987
 
patzer2: For today's Tuesday puzzle (38. ?), Black's Queen is overworked and after 38. Rxb4! she is completely "overloaded" and soon has to resign her position. <bcokugras: Actually combination starts with 34. f5!> Yes indeed it does. Best play according to Stockfish 8 is 34.f5!! Bxd2 ...
 
   Nov-21-17 S Smagin vs J Banas, 1987
 
patzer2: <Abdunnaser: Why would black give up, there is not much difference in materialistic.> White's position is worth more than the mere win of an exchange after 31. Qxf8+ Kxf8 32. Ne6+ followed by 33. Nxg5 +-. Coupled with the win of the exchange, White's passed d-pawn, more active
 
   Nov-20-17 Kosteniuk vs Yifan Hou, 2013
 
patzer2: Instead of 66...Bc2 = (-0.08 @ 33 ply, Stockfish 8), Black should have kept the pressure on with 66...Kf7 ∓ to -+ (-1.92 @ 36 ply, Stockfish 8).
 
   Nov-19-17 M Boe vs Jobava, 2007 (replies)
 
patzer2: <5hrsolver> Your alternative follow-up 20...Bc5+! -+ (-9.97 @ 32 ply, Stockfish 8) is forcing enough. The only way Black can significantly delay the mate is by surrendering the Queen with 20...Bc5+ 21. Qxc5 Nxc5 -+.
 
   Nov-19-17 S Fenil vs S Prathamesh, 2008
 
patzer2: Instead of 12...Bd7 allowing 13. Be4 ⩲, Black can improve in the opening with the slightly more forcing 12...g4 13. Nd4 Nxd4 14. Qxd4 Bd7 = (0.12 @ 31 ply, Stockfish 8).
 
   Nov-18-17 Korchnoi vs J L Arnason, 1987 (replies)
 
patzer2: Funny how the chessgames.com puzzle difficulty is working out for me this week. I got the Monday and Tuesday puzzles easy enough, but failed to solve the Wednesday, Thursday and Friday puzzles. Now along comes the Saturday (40...?) test, and I see 40...Rad8! at blitz speed because ...
 
   Nov-17-17 P Van der Sterren vs Ljubojevic, 1987 (replies)
 
patzer2: Black's game takes a turn for the worse with 23...Rab8 allowing 24. Nd6 ± (+0.84 @ 29 ply, Stockfish 8). Instead, 23...Bxe4 24. Bxe4 Nd5 = (+0.13 @ 31 ply, Stockfish 8) holds it about level as the "advantage of the two Bishops" is minimal for White.
 
   Nov-17-17 S Sagar vs D Mirzoyan, 2016
 
patzer2: For this week's Thursday puzzle I looked first at the obvious 16. Bxh6 gxh6 17. Qxh6, but after 17...Ng5 I didn't see or even consider the decisive Rook lift 18. Rb5! +- which obliterates Black's defenses. So instead, I tried a prepatory move with 16. h4. Unfortunately for me, after
 
   Nov-15-17 D Harika vs Kramnik, 2017
 
patzer2: According to our Opening Explorer , instead of 11. e4 White has had more success with 11. Ne1 = to ⩲ as in White's win in Bologan vs Ponomariov, 2012 .
 
   Nov-15-17 J Brenninkmeijer vs A Pieniazek, 1987 (replies)
 
patzer2: Missed the strong mating attack with 33. Rxa7! in today's Wednesday puzzle (33. ?) because after 33. Rxa7! Qxa7 34. Qg6+ Kf8 I failed to see that 35. f7! +- (mate-in-five, Stockfish 8 @ 16 ply) forces a quick mate. Instead I went for the second best move 33. Qg3+, which according to
 
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