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There are 2 clues unsolved right now on the Holiday Contest Clues Page!   [Official Contest Rules] User Profile

Member since May-20-03 · Last seen Dec-16-18
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.
>> Click here to see patzer2's game collections. Full Member

   patzer2 has kibitzed 16601 times to chessgames   [more...]
   Dec-16-18 Shirov vs Adams, 1992 (replies)
patzer2: Missed on today's Sunday (28.?) puzzle with 28. Re4, which gives Black equality after 28...Ng6 = (0.00 @ 37 ply, Stockfish 10). I looked at 28. Rxg7!! Kxg7 29. Re4 Rf5 and immediately gave up on the variation because of the threat 30...Qa1+ 31. kh2 Nf3+ -+ winning the White Queen ...
   Dec-15-18 L Fernandez Siles vs Antonio Hernandez, 2008 (replies)
patzer2: Like most other posters here, I was able to compute today's Saturday (26. ?) puzzle solution for the initial six moves 26.Qxd4 exd4 27.Re7+ Kh8 28.Nf6 Bg7 29.Re8+ Bf8 30.Rxf8+ Kg7 31.Rf7+ Kh6 (diagram below) [DIAGRAM] Here (diagram above) I considered three candidate moves 32. Ng8+,
   Dec-14-18 Kasparov vs A Vilaisarn, 2008 (replies)
patzer2: Took me longer than usual on today's Friday (19. ?) puzzle, but I eventually found 19. Nxf4! with the idea 19...exf4 20. e6 +- (+1.97 @ 30 ply, Stockfish 10). P.S.: So where does Black's game start to go bad? Apparently, 10...cxd4?! 11. cxd4 favors White after 11...Qb6 12. Be3 ...
   Dec-14-18 T Fakhrutdinov vs S Volkov, 2018
patzer2: Black's decisive mistake appears to be 16...gxf6?, potentially allowing 17. Bxd4! +- (+2.87 @ 22 ply) or the game continuation 17. Nxd4 +- (+1.79 @ 23 ply). Necessary instead was 16...dxc3 17. Qxc3 ⩲ (+0.33 @ 23 ply).
   Dec-13-18 Shabalov vs Sasikiran, 2008 (replies)
patzer2: Stockfish 9 indicates the 32. Nxh6 game continuation is not a clear cut win because 32...gxh6 33. Rxf6 h5! 34. Rg3 Qc8 35. Qc2 ⩲ (+0.48 @ 34 ply) puts up much more resistance than the game continuation 33...Ng7? 34. Rgf4 +- (+9.97 @ 31 ply).
   Dec-12-18 Berliner vs S E Almgren, 1946 (replies)
patzer2: <Ceri> Thanks! Looks like I will need to update my SCID vs PC database from Stockfish 9 to Stockfish 10.
   Dec-11-18 Hoang Thong Tu vs J Gonzalez Garcia, 2008 (replies)
patzer2: All roads lead to Rome, and there's more than one way to skin a cat. In this case, there's more than one solution to today's Tuesday (26. ?) puzzle. So my attempt 26. Rxf8+ +- (+4.03 @ 35 ply, Stockfish 9) is just as good as the game continuation 26. Qxh4 (+4.05 @ 31 ply, Stockfish ...
   Dec-01-18 E Prie vs Granda Zuniga, 2017 (replies)
patzer2: The line putting up the most resistance appears to be 26...a4 27. b4 Rxb4! 28. axb4 Nxb4 29. Qb1 a3! 30. Nc4 a2 31. Qa1 Nxd3+ 32. Rxd3 Rb1+ 33. Qxb1 axb1=Q+ 34. Kxb1 Qxc5 -+ (-3.23 @ 23 ply, Stockfish 9).
   Nov-27-18 Wang Yue vs Ivanchuk, 2016
patzer2: Black has an even game until making a minor slip early in the Rook and Pawn endgame with 27...Rf8?! (grabbing an open file with a Rook is quite often a good idea, but perhaps not in this case), allowing White an advantage after 28. c6 ⩲ (+0.41 @ 42 ply, Stockfish 9). Instead,
   Nov-27-18 M Baldauf vs D Andreikin, 2016 (replies)
patzer2: White's decisive mistake appears to be 19. Rac1?, allowing 19...gxf3 20. Rxf3 Ng5 21. Rff1, which, instead of 21...Qg4 ∓ (-0.95 @ 24 ply, Stockfish 9) as played in the game, should be followed with the stronger, winning 21...f3! -+ (-2.86 @ 26 ply, Stockfish 9). For an early ...
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