Author: K. Burcham
Date: 20:06:42 07/31/01
uri,,,i made this comment the other day, "i hope that the program can
play into a safe (eval = 0), position when out of book, against
kramnik".
i made this comment because of my experience observing many loses with
programs playing into weak positions (eval = -0), when out of book.
what i meant was i hope the program, once it starts thinking, that
its position is sound at that point. and that if kramnik wins, then
i was hoping that if he outplays the program, it wasnt from a weak
opening position.
here is an example of what i was talking about.
yes i am aware that there are other variations of birds opening.
in shredders book it shows birds opening can play into this position,
with an eval of -.51, so black is up in this common bird opening,
half a pawn. at depth 16/32.
[D] r4rk1/pp1bbppp/2n1p1qn/6N1/Q1PpNP2/3P4/PP1BB1PP/R3K2R w KQ - 0 1
now--- here is a game shredder 5 played with 1500 mhz, 256 megs hash.
the ICC game time was set at 35 minutes, with an additional
10 second increment per move. here is the position that shredder 5
did not understand. 2. d4 and shredder was out of book.
from this move on, shredder 5 was playing catch up.
shredder 5 looked very bad in this game. shredder 5 eval lowered
with almost every move after 2. d4.
shredder 5 had plenty of time on its clock. kns looked very good
for shredder 5, and the % of hash was good with every move.
[Event "?"]
[Site "ICC"]
[Date "31/7/2001"]
[Round "?"]
[White "Deveraux"]
[Black "xracer"]
[Result "1-0"]
[WhiteElo "2659"]
[BlackElo "2589"]
[Opening "Bird's opening 1. f4 d5 2. ?"]
1.f4 d5 2.d4 Bg4 3.Nf3 Nf6 4.Ne5 Bh5 5.Qd3 Nbd7 6.Qh3 g6 7.e3 Bg7 8.Nc3 c6 9.Ne2
a6 10.Ng3
e6 11.Bd2 Qb6 12.Bc3 Rf8 13.Bd3 O-O-O 14.O-O h6 15.Nxh5 Nxh5 16.Qh4 Bf6 17.Qe1
Bxe5 18.fxe5
Qa7 19.a4 g5 20.Ba5 Rde8 21.Rc1 f5 22.c4 dxc4 23.Bxc4 Ng7 24.Bb4 Rg8 25.Qd1 h5
26.Bd6 a5
27.b4 axb4 28.Qb3 f4 29.a5 fxe3 30.a6 e2 31.axb7+ Qxb7 32.Rf7 Nf5 33.Qa4 Nxd6
34.Ba6 Nxf7
35.Bxb7+ Kd8 36.Bxc6 Nfxe5 37.dxe5 Ke7 38.Bxd7 Rb8 39.Qc6 Rg6 40.Qd6+ Kf7
41.Qxb8 Kg7
42.Be8 Kh6 43.Bxg6 Kxg6 44.Qf8 h4 45.Qf6+ Kh5 46.Qf7+ Kh6 47.Qxe6+ Kh5 48.Qf7+
Kh6 49.Rc6# 1-0
kburcham
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