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Member since Aug-12-09 · Last seen Oct-14-19
Living in Montréal, Québec.

   Sergash has kibitzed 313 times to chessgames   [more...]
   Sep-14-19 D Hergott vs Junior, 1997
Sergash: <30.Rg1-g2?!> Better is 30.h2-h4 f4-f3! 31.Rg1-g3 Qd4xh4+▢ 32.Rg3-h3 Qh4-d4! 33.Qb3xf3 Rb8-d8! -+ Stockfish 10 - 64 bits POPCNT. <30...Qd4-e5 31.Qb3-h3 Kg8-g7▢ -+> Still winning, but better is to bring a new piece in play: 30...Rb8-d8! -+ Stockfish 10 - 64 ...
   Jan-04-19 D Mayers vs Fischer, 1953 (replies)
Sergash: <10...Bc8-g4?!> Better is 10...Ne4xc3! 11.Ne2xc3 (or 11.b2xc3 Bb4-e7 12.h2-h4! Nb8-a6 ⩱ Stockfish 10 - 64 bits POPCNT) f7-f6! 12.Bc1xf4▢ f6xe5! 13.Bf4xe5 (threat: Qh6-g7#) Qd8-e7! ⩱ Stockfish 10 - 64 bits POPCNT. <11.Bc1-d2?? Ne4xd2!-+> A terrible ...
   Dec-31-18 Kotronias vs Carlsen, 2002
Sergash: <25...Bf6-g5? 26.f2-f4▢ ±> as <Messiah> mentioned, Carlsen would have been better after 25...Qb4xc5! 26.Re6-e1▢ d5-d4! ⩱ Stockfish 10 - 64 bits POPCNT. <26...Qb4xf4? 27.Qg3xf4▢ Bg5xf4+-> The only move here that was giving some hope ...
   Nov-23-18 Carlsen vs S Tjomsland, 2002
Sergash: <41...h5xg4? 42.Be4-h7+! Re7xh7 (no choice, else White would mate in 3 moves) 43.Rf3xf8+▢ Kg8xf8 44.Qd3xh7 +-> Tjomsland probably missed 42.Be4-h7+... The only hope for Black is in 41...Rf8xf3▢ 42.Be4xf3▢ h5xg4▢ 43.h3xg4▢ Qc1-f4▢+- Stockfish
   Oct-14-18 H Richards vs Carlsen, 2002
Sergash: <46...g5xh4> This initiates a mate in 20 moves, while there was one in only 12 moves beginning with 46...g5-g4! 47.Rf3xf4 g4-g3! 48.Rf4-f1 Qd7-g4 49.Rf1-b1 (or R anywhere else) Qg4xh4+ 50.Kh1-g1 Qh4-d4+ 51.Kg1-h1 Kh7-g6 and mate in 6 moves. Stockfish 9 - 64 bits POPCNT. ...
   Oct-10-18 Carlsen vs D Wallin, 2002
Sergash: True Diademas, he was 11 and would only turn 12 in November of that year! My mistake... <11...Nh6-f5?!> 11...Bc8-g4!= seems more precise. Stockfish 9 - 64 bits POPCNT. <12.h2-h3? Nf5-d4! ⩱> 12.c2-c3! ⩲ Stockfish 9 - 64 bits POPCNT. <13.Nf3xd4> ...
   Oct-08-18 A Gronnestad vs Carlsen, 2002
Sergash: <34...Rd8-c8! 35.Bd2-f4 Qd6-d7▢ 36.Bf4-e5 h7-h6!-+> Of course not 34...Qd6-c7?? 35.Ng5-e6 ∓ and Black is not winning anymore! And after 35.Bd2-f4 of course not 35...Qd6xf4?? 36.Qb3xd5+ Kg8-h8 (or 36...Kg8-f8 37.Qd5-f7#) 37.Qd5-d8+ Rc8xd8 38.c7xd8R# or 38.c7xd8Q#. ...
   Oct-01-18 Carlsen vs D Arngrimsson, 2002
Sergash: <35.Bf1-h3? Rd8-a8 ⩲> The last mistake by Carlsen. White maintains a clear, if not a winning advantage after 35.Rd4-d2! g5xf4 36.g3xf4 Re7-e6! 37.Rb6xe6! f7xe6 38.Rd2-a2! +- / ± Stockfish 9 - 64 bits POPCNT. <36.Bh3-f5?! Ra8-a2=> The only hope to get ...
   Jul-02-18 B Kvisvik vs Carlsen, 2002
Sergash: <13.Ra3 Bd6 14.g3 e5! 15,fxe5 Nxe5 16.Nxe5 Bxe5 17.Raf3 Bd4+ 18.Kg2 Rfe8! 19.Nc3 Ng4 20.Rf7 h5=> Why not 13.Nc3! Bd6 (or 13...Rfe8= Stockfish 9 - 64 bits POPCNT) 14.Ng5! Rfe8 15.Nce4 Nxe4 16.Nxe4 Nd4!= Stockfish 9 - 64 bits POPCNT. <21.h3?! Ne5! 22.Rxg7 ∓> Several ...
   Jun-27-18 Carlsen vs D Kedyk, 2002
Sergash: [DIAGRAM] Check! Now, where do you move the black king? 52...Kg6▢= If now 53.h5+ (on any other move, the black rook captures one of the white pawns) Kh6▢ and one of the white pawns falls, else the checks by the black rook resume. But here, Kedyk played <52...Kh6?? ...
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