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Subject: A move commercial engines might get wrong !!

Author: scott farrell

Date: 11:39:40 01/04/03


This position occured in a game chompster vs dorky on ICC  (45 10 time control
practices for CCT5).

[D]r3kb1r/pp1n1pp1/1qp1p2p/3n3P/2NP1B2/3Q2N1/PPP2PP1/R4RK1 b kq - 0 14

My engine says NxB is slightly winning for black, it failed high big time at
only depth 8 !!!
sfarrellc(C) whispers: , D10/11(11): 0.29 : D5F4 , 25.176/48.0 secs

Crafty says it is +3 winning for white.
Dorky(C) whispers: score=+2.61 depth=13 Knps=111 cpu=99% time=87.05s

Here is crafty's annotation:
({9:+2.92} 14. ... Nxf4 15. Nxb6 Nxd3 16. Nxa8 Nxb2 17. Rab1 Ba3 18. Nc7+ Kd8
19. Na8 +-)
({9:+1.04} 14. ... Qd8 15. Bd2 N7b6 16. Ne5 Bd6 17. Rfe1 Qh4 18. Qe4 Qxe4 19.
Rxe4 Bxe5 20. Rxe5 +/-)
({9:+1.52} 14. ... Qb5 15. Bd6 Nb4 16. Qe2 Nb6 17. Bxf8 Kxf8 18. b3 Nxc4 19.
bxc4 Qg5 +-)
({9:+1.66} 14. ... Qa6 15. Nd6+ Bxd6 16. Qxa6 bxa6 17. Bxd6 N7f6 18. Rfe1 Rd8
19. Bc5 Nf4 +-)
({9:+2.03} 14. ... Qb4 15. Bd2 Qa4 16. Ne4 Qa6 17. Ncd6+ Bxd6 18. Nxd6+ Ke7 19.
Nc4 Qb5 +-)


NxB is a clear winner !!!! It was an easy win from there.

How many other engines see this? It took 19 more moves to actually recover the
material that my engine could see coming !!!!




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