Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: From an R.G.C.A post, how long for your program to find h4!!

Author: John Merlino

Date: 11:50:09 11/15/02

Go up one level in this thread


On November 15, 2002 at 14:21:51, Dann Corbit wrote:

>[Event "USSR verses the rest of the world"]
>[Site "Belgrade"]
>[Date "1970.??.??"]
>[Round "?"]
>[White "Larsen"]
>[Black "Spassky"]
>[Result "0-1"]
>[ECO "A01"]
>[Variation "Nimzowitsch-Larsen: 1...e5 2.Bb2 Nc6"]
>
>1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. Nf3 e4 5. Nd4 Bc5 6. Nxc6
>dxc6 7. e3 Bf5 8. Qc2 Qe7 9. Be2 O-O-O 10. f4 Ng4 $1 11. g3
>h5 $1 12. h3 h4 $3
>{ 2kr3r/ppp1qpp1/2p5/2b2b1p/2P1pPn1/1P2P1PP/PBQPB3/RN2K2R b KQ - bm h4; }
>13. hxg4 hxg3 14. Rg1 Rh1 15. Rxh1 g2 16.
>Rf1 Qh4+ 17. Kd1 gxf1=Q+ 0-1
>
>2kr3r/ppp1qpp1/2p5/2b2b1p/2P1pPn1/1P2P1PP/PBQPB3/RN2K2R b KQ - bm h4;

Not long. Chessmaster 9000, on a P4-2.66, finds h4 in 54 seconds, and gives it a
very convincing score exactly one minute later:

Time	Depth	Score	Positions	Moves
0:00	1/3	-0.90	973		1...Nf6 2.Nc3 Kb8
0:00	1/4	-0.96	2762		1...Nf6 2.Nc3 Kb8 3.a3 Qd7
0:00	1/5	-0.66	14855		1...Nf6 2.a3 a5 3.Nc3 Kb8
0:00	1/6	-0.84	41181		1...Nf6 2.a3 Qe6 3.b4 Be7 4.Qa4 Kb8
0:00	1/7	-0.69	75331		1...Nf6 2.a3 Qe6 3.b4 Be7 4.Bf1
					Qd7 5.Nc3
0:01	1/8	-0.73	178404		1...Nf6 2.a3 Qe6 3.b4 Be7 4.Bf1
					Qd7 5.Nc3 Kb8
0:02	1/9	-0.68	578554		1...Nf6 2.a3 Qe6 3.b4 Be7 4.Bf1
					Qd7 5.Nc3 Kb8 6.O-O-O
0:07	1/10	-0.81	1666432		1...Nf6 2.a3 Qe6 3.Bf1 Kb8 4.Nc3
					a5 5.Ne2 Qe7 6.Nd4
0:24	2/11	-0.67	5372139		1...Nf6 2.a3 Qe6 3.Bf1 Be7 4.Nc3
					Kb8 5.O-O-O c5 6.Bg2 Bh7 7.Kb1
0:54	2/11	-0.90	11951369	1...h4 2.Bxg4 Bxg4 3.hxg4 hxg3
					4.Rg1 Rh2 5.Qc3 Qh4 6.Qxg7 Rh1
					7.Rxh1 Qxh1+ 8.Ke2 Bxe3
1:54	3/12	-1.59	24785497	1...h4 2.Bxg4 Bxg4 3.hxg4 hxg3
					4.Rg1 Rh2 5.Nc3 Bxe3 6.O-O-O Bxg1
					7.Rxg1 Rdxd2 8.Qxd2 Rxd2 9.Kxd2
					Qd6+ 10.Ke1 Qxf4 11.Ne2

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.