Author: Enrique Irazoqui
Date: 07:02:31 03/11/01
Go up one level in this thread
On March 11, 2001 at 08:43:46, Uri Blass wrote: >On March 11, 2001 at 08:15:16, Andreas St. wrote: > >>On March 11, 2001 at 05:28:55, Sune Larsson wrote: >> >>> >>> [D]2r2rn1/p3q1bk/n2p2pp/1b1PPp2/1pp2P1N/1P2N1P1/P1QB2BP/4RRK1 w - - 0 1 >>> >>> Selinski-Sotorenko, corr 1974 >>> >>> >>> Somehow my mind went back to the old Evans Gambit. I was raised with >>> this gambit (and others), which provided the tense and fireworks needed >>> for my age. But the old love never dies and the skipper still smiles >>> from his heaven above. Anyway, tactics is the name of the game, and >>> here is a nice position from a Russian corr game. >>> >>> A lot of tension and options, as you can see. White has to keep an eye >>> on the e5-pawn, which is under attack, and moves like 1.-c3 or 1.-cxb3. >>> He found a nice way of forcing the black king into a land of danger and >>> death. Pushed further and further towards the guillotine. Strong, almost >>> magnetic forces are working here, which formes the name of this theme: >>> The Magnet. Or if you prefer it this way: "Hi there big fellow - care to >>> join me for a cup of coffee?" ;) >>> >>> >>> Test: White to move and win. Let's go for the king! Some clues further down. >>> White might have some other promising continuations here, but we >>> assume that Selinski's choice is the most straight forward. >>> >>> Sune >>> >>> >>> >>> >>> >>> >>> >>>Selinski - Sotorenko >>>Fernpartie, 1974 >>> >>>1.Nxg6! Kxg6 2.Nxf5! Rxf5 3.Qxf5+! Kxf5 4.Be4+ Kg4 5.h3+ Kxg3 >>> >>>[5...Kxh3 6.Bf5+ Kxg3 7.Re3+ Kh4 8.Rh3#; >>> 5...Kh5 6.g4+ Kh4 7.Re3] >>> >>>6.Re3+ Kh4 7.Bg6 Qg5+ 8.fxg5 Bxe5 9.Re4+ Kxh3 10.Bf5+ Kg3 11.Be1# 1-0 >> >> >>Hi >> >> >>Chessmaster 6555 (1.2 GHZ - 128 MB hash) plays in 1 sec 1.Nxg6 >> >>after 20 sec.: 1.N3xf5 [cxb3 2.Nxe7 Rxc2 3.N7xg6] Score +2.70 >> >>after manual 1.Nxg6 Kxg6 CM 6555 plays 2.Nxf5 after 0 sec. (+8), after 30 sec. >>a score about +11.01 [2. ...Kf7 3.Nxe7 Nxe7 4.exd6] > >I do not understand why to give Chessmaster a blunder like Kxg6 manually. >The fact that sune posted this move in the main line does not do it a good move. > >If you want to compare scores then it is better to compare the score after Nxg6 >cxb3 with the score after N3xf5 cxb3 > >Uri Nxg6 seems to be the best move, but not so much better than bxc4 or Nhxf5, or so Deep Fritz says after 16 iterations: New position 2r2rn1/p3q1bk/n2p2pp/1b1PPp2/1pp2P1N/1P2N1P1/P1QB2BP/4RRK1 w - - 0 1 Analysis by DEEP FRITZ : 1. +- (3.28): 1.Nxg6 cxb3 2.Nxf8+ Qxf8 3.Qxb3 Bxf1 4.Rxf1 dxe5 5.fxe5 Bxe5 6.Rxf5 Bf6 2. +- (2.56): 1.bxc4 Bd7 2.Bh3 Qd8 3.Nxg6 Kxg6 4.e6 Bxe6 5.dxe6 Bd4 6.Bxf5+ Kg7 3. +- (2.03): 1.Nhxf5 cxb3 2.Qe4 Nc5 3.Qxb4 gxf5 4.Qxb5 Rb8 5.Qc4 bxa2 6.Qc2 (Irazoqui, Cadaqués 11.03.2001)
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