Author: Sune Larsson
Date: 21:43:56 09/14/03
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On September 14, 2003 at 11:51:40, Drexel,Michael wrote: >On September 14, 2003 at 11:33:03, Rex wrote: > >>My personal Shredder settings finds Qc4+ in just over 1 minute. > >Fine, but Qc4+ is not better than Qxa5. > >1. Qc4+ Bf7 2. Qc7 Rc8 3. Qxa5 Kh8 4. Rc7 Ra8 5. Ra7 Rxa7 6. Qxa7 Bh5 > >Game over > >Best move is probably Qb7 with a bad position for white after Bf7. > >Michael I'm very short of time right now (work!) - but here are some analysies by the winner. (hope he doesn't mind...) "Anyway I am surprised that the engines all underestimate Black's idea of exchanging the only real defender, the Bg2. With the exception of Junior maybe. In the diagram position the only fact Black can count on is, that his queen is in the attack to the opposing king, while the white queen is not (yet). White has an advantage on the queenside already with his pawn majority. If Black comes to a free Kg8-h8 and therefore the threat Rf8-g8 he must win. It must be White's first concern to prevent this. After that he simply pushes his queenside pawns and that gives him sufficent conterplay. After 32. Qb7 a typical drawing line could go like this: 32.Qb7 Bf7 33.b4 axb4 34.axb4 Rb8 35.Qd7 Rxb4 (aha, progress ?) 36.Bh3 (no, just another counterplay) 36. .. Rb2 37.Rxf7 Rxf7 38.Be6 Qg5+ 39.Kh2 Qh5+ 40.Kg2 Kg7 41.Qe8 = (from one pin to another, nice!). Another possibility is: 32.Qb7 Qg5 33.f4 exf4 34.Rxf4 (now that rook is in play; active, but also for the defence of the white king. That can't be anything for Black.) 34. .. Qg3 35.Kh1 Rc8 36.Rf1 Rc5 (looks like an idea, but) 37.e5! Bf7 38.Qb6 Rxe5 39.Rxe5 fxe5 40.Qxh6 = The alternative 32.Qc4+ is even more complex. After 32.Qc4+ Bf7 33.Qc7 Rc8 34.Qd7 (I said "don't leave the 7th rank": 34.Qxa5? Kh8 - for free - 35.Rc7 Rb8 and then Rg8 -+, but that electronic guys don't have ears;-)) there seems to be nothing for Black: 34. .. Rc3 35.b4 Rxd3 36.bxa5 Rxa3 37.a6 and White is already clearly better. That outside passed pawn is incredibly strong and paralyses Black.) Ok, Black can repeat moves with 34. .. Rcd8 35.Qc7 Rc8 or play 34. .. Rc1 35.b4 Rxf1+ 36.Bxf1 Qg5+ to go for a draw. So probably instead of 32. .. Bf7 stronger is 32. .. Rf7 (forget about attack), but I would give Black only a slight advantage after 33.b4 Kg7 34.Rxf7+ Bxf7 35.Qc1" - Schön. /S
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