Author: Alastair Scott
Date: 05:39:38 01/27/03
Go up one level in this thread
On January 27, 2003 at 04:10:00, Uri Blass wrote: >On January 27, 2003 at 03:44:58, Alastair Scott wrote: > >>On January 27, 2003 at 01:58:02, Bob Bachman wrote: >> >>>To see how bad DJ's evaluation function is, why do we not play some engine >>>matches with various black alternatives to 13 ... b5. I have a suspicion that >>>these alternatives are not great for black (I am not good enough to make this >>>statement however). Therefore it comes down to Kaspaov's superb insight or >>>pre-match preparation. Take your pick, you got to love it. Personally I am >>>ecstatic to be even able to watch such a match. >> >>Well, my tests suggest that there isn't much else then as all moves are about >>-1.00 or below; things were going wrong earlier (... b6). > > >Sorry but my yace cannot say even more than +0.4 after Bb7. > >What is the move after Bb7 based on your tests and can you post aconcincing line >to show yace at least +0.5 after Bb7? Dunno about Yace (I'm in front of the wrong machine here) but Fritz 8 continues with 14.dxc6 into quite a forcing line: 13. ...Bb7 14.dxc6 Bxc6 15.Nb5 Bxb5 16.Bxb5 Nc5 17.b4 Ne6 18.Qxc7 Nxc7 Then the engines start to diverge: [D] r4rk1/p1n2ppp/1p1b4/1B2p1Pn/1P2P3/4BN2/P4P1P/2KR3R w - - 0 1 Analysis by Crafty 19.01: 1. (0.50): 19.Be2 Ne8 20.Nxe5 Bxe5 21.Bxh5 Rc8+ 22.Kb1 Rc4 23.Bd2 Nc7 24.f4 Bd6 25.Rhe1 Bxb4 26.Bxb4 Rxb4+ 2. (0.46): 19.Bc6 Rad8 20.Rd2 Bxb4 21.Rxd8 Rxd8 22.Nxe5 Bc3 23.Nd7 Ne6 24.Rd1 Nhf4 25.Kb1 Analysis by Comet B55: 1. = (0.25): 19.Be2 Rfc8 20.Kb1 Ne8 21.a3 Rc3 22.Kb2 Rac8 23.Kb1 2. = (0.09): 19.Bc4 Rfc8 20.Rxd6 Ne8 21.Bc5 Nxd6 22.Bxb6 Analysis by Fritz 8: 1. (0.84): 19.Bc6 Rad8 20.a3 Ne6 21.Rd2 Bb8 22.Rhd1 Rxd2 23.Rxd2 Nhf4 24.Rd7 f6 25.Bd5 Nxd5 2. (0.84): 19.Bc4 Rad8 20.Rd2 Bxb4 21.Rxd8 Rxd8 22.Nxe5 Ne6 23.Rd1 Rxd1+ 24.Kxd1 Bd6 25.Nc6 Nhf4 26.h4 (Alastair, London 27.01.2003) I think I was using the most optimistic engine in the initial analysis ;) Alastair
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