Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Can programs find the Lasker move? (Bxa6!!)

Author: Vincent Lejeune

Date: 01:17:00 08/29/02

Go up one level in this thread


Wierd, weird, weird !!!!

Chessmaster 9000 is too good tactically !

I hope the SSDF will test it seriously !
Is there some autoplayer facilities in CM9k ?


On August 29, 2002 at 01:58:45, John Merlino wrote:

>On August 28, 2002 at 23:03:19, Tanya Deborah wrote:
>
>>
>>Hi CCC!
>>
>>Look the 17. Lasker move (Bxa6!!)
>>
>>Great game!  Any program  can find this move?
>>
>>
>>
>>
>>Lasker - Marshall  (1914 St Petesburgo)
>>
>>1. e4   e5
>>2. Nf3  Nf6
>>3. Nxe5 d6
>>4. Nf3  Nxe4
>>5. Qe2  Qe7
>>6. d3   Nf6
>>7. Bg5  Be6
>>8. Nc3  Nbd7
>>9. O-O-O h6
>>10. Bh4 g5
>>11. Bg3 Nh5
>>12. d4  Nxg3
>>13. hxg3 g4
>>14. Nh4 d5
>>15. Qb5 O-O-O
>>16. Qa5 a6
>>17. Bxa6 bxa6
>>18. Qxa6+ Kb8
>>19. Nb5 Nb6
>>20. Rd3 Qg5+
>>21. Kb1 Bd6
>>22. Rb3 Rhe8
>>23. a4  Bf5
>>24. Na7 Bd7
>>25. a5  Qd2
>>26. axb6 Re1+
>>27. Ka2 c6
>>28. Nb5 cxb5
>>29. Qa7+
>>
>>There are a good defence for Black after 17.Bxa6! ? Some programs seems really
>>advantage for White after this move.
>
>Chessmaster 9000, on a PIII-733, finds the move in less than one second.
>However, it takes 2:54 before it thinks that White has an slight advantage:
>
>Time	Depth	Score	Positions	Moves
>0:00	1/3	-0.95	2267		1.Kb1 Qb4 2.Qxb4 Bxb4
>0:00	1/3	-0.71	3663		1.Bxa6 bxa6 2.Qxa6+ Kb8 3.Kb1 Nb6
>					4.Rhe1
>0:00	1/3	-0.69	6770		1.Bd3 Qb4 2.Qxb4 Bxb4
>0:00	1/4	-0.79	10723		1.Bd3 Qf6 2.f4 Nb6 3.Ne2
>0:00	1/4	-0.57	14727		1.Bxa6 bxa6 2.Qxa6+ Kb8 3.Nb5 Nb6
>					4.Qa7+ Kc8 5.Rhe1 Qg5+ 6.Kb1 Bd6
>					7.Nxd6+ Rxd6
>0:00	1/5	-0.38	38374		1.Bxa6 bxa6 2.Qxa6+ Kb8 3.Nb5 Nb6
>					4.Qa7+ Kc8 5.Rhe1 Qg5+ 6.Kb1 Bd6
>					7.Qa6+ Kd7 8.Nxd6 Kxd6
>0:01	1/6	-0.38	113368		1.Bxa6 bxa6 2.Qxa6+ Kb8 3.Nb5 Nb6
>					4.Qa7+ Kc8 5.Rhe1 Qg5+ 6.Kb1 Bd6
>					7.Qa6+ Kd7 8.Nxd6 Kxd6
>0:04	1/7	-0.44	342200		1.Bxa6 bxa6 2.Qxa6+ Kb8 3.Nb5 Nb6
>					4.Rhe1 Qg5+ 5.Kb1 Nc8 6.f4 Qf6
>					7.Qa5 Rd7
>0:10	1/8	-0.38	807098		1.Bxa6 bxa6 2.Qxa6+ Kb8 3.Nb5 Nb6
>					4.Rhe1 Nc8 5.f4 Qf6 6.Qa5 Bd6 7.Nxd6
>					Nxd6
>0:33	1/9	-0.09	2790187		1.Bxa6 bxa6 2.Qxa6+ Kb8 3.Nb5 Nb6
>					4.Rhe1 Qg5+ 5.Kb1 Nc8 6.f4 Qg7
>					7.Qa5 Rd7 8.f5
>2:54	1/10	0.21	14196874	1.Bxa6 Qf6 2.f4 Nb6 3.f5 Bxf5 4.Nxf5
>					Qxf5 5.Bd3 Qg5+ 6.Kb1 Bg7 7.Nb5
>					Rhe8
>4:55	2/11	0.12	24516554	1.Bxa6 Nb6 2.Bb5 Kb8 3.Ne2 Qf6
>					4.Nf4 Bd6 5.Nxe6 fxe6 6.Qd2 Rhf8
>
>jm



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.