Author: Dann Corbit
Date: 12:49:41 11/15/02
Go up one level in this thread
On November 15, 2002 at 14:50:09, John Merlino wrote:
>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
A very impressive result. It took Ruffian enormously longer (albeit on a much
slower machine that was doing a virus scan):
E:\PROGRA~3\winboard\ruffian>ruffian -h 350M -T e:\h4.epd -t 1800 -p 11
Hash size 367001600
Ruffian 1.0.1
feature done=0
Loading configuration: ruffian.cfg
Warning: EGTB_HASH_SIZE changed, default=1048576, newvalue=8388608
Logfile: Fri Nov 15 11:36:12 2002
Total hash size 350M
Initializing tablebases: /programme/winboard/nalimov
Testing e:\h4.epd, 1800 seconds, extra ply 11
Testing: test 1 Solution: h4
2kr3r/ppp1qpp1/2p5/2b2b1p/2P1pPn1/1P2P1PP/PBQPB3/RN2K2R b KQ (null)
Depth Time Score Best line
7/15 1.18 1.04 ... Nf6 a3 Qe6 b4 Bf8 Bxf6 Qxf6 Nc3
7--> 1.36 1.04 ... Nf6 a3 Qe6 b4 Bf8 Bxf6 Qxf6 Nc3
8/18 3.21 0.93 ... Nf6 Nc3 Qe6 h4 Bg4 O-O-O Bf3 Bxf3
8--> 3.77 0.93 ... Nf6 Nc3 Qe6 h4 Bg4 O-O-O Bf3 Bxf3
9/19 4.89 0.95 ... Nf6 Nc3 Qe6 h4 Rd7 O-O-O Rhd8 Kb1 Kb8
9--> 5.77 0.95 ... Nf6 Nc3 Qe6 h4 Rd7 O-O-O Rhd8 Kb1 Kb8
10/20 7.86 0.86 ... Nf6 Nc3 Qe6 h4 Ng4 Bxg4 hxg4 O-O-O Bb4 Kb1 Kb8
10--> 10.16 0.86 ... Nf6 Nc3 Qe6 h4 Ng4 Bxg4 hxg4 O-O-O Bb4 Kb1 Kb8
11/25 18.57 0.82 ... Nf6 Nc3 Qe6 h4 Ng4 Na4 Bb4 Bd4 Rh6 Nc3 Bxc3 Bxc3
11--> 27.99 0.82 ... Nf6 Nc3 Qe6 h4 Ng4 Na4 Bb4 Bd4 Rh6 Nc3 Bxc3 Bxc3
12/28 47.92 0.80 ... Nf6 Nc3 Qe6 Bf1 Rhg8 O-O-O g5 Ne2 Qd6 Qc3 Nd7
Nd4
12--> 1:12 0.80 ... Nf6 Nc3 Qe6 Bf1 Rhg8 O-O-O g5 Ne2 Qd6 Qc3 Nd7
Nd4
13/31 2:05 0.76 ... Nf6 Nc3 Qe6 Bf1 Rd6 Ne2 Rhd8 Nd4 Qd7 O-O-O Bg6
Kb1 Bb4
13--> 2:48 0.76 ... Nf6 Nc3 Qe6 Bf1 Rd6 Ne2 Rhd8 Nd4 Qd7 O-O-O Bg6
Kb1 Bb4
14/32 4:37 0.70 ... Nf6 Nc3 Qe6 Bf1 Rhg8 Ne2 g5 Qc3 Nd7 b4 Be7 Nd4
Qg6 Nxf5 Qxf5
14--> 6:34 0.70 ... Nf6 Nc3 Qe6 Bf1 Rhg8 Ne2 g5 Qc3 Nd7 b4 Be7 Nd4
Qg6 Nxf5 Qxf5
15/35 11:13 0.68 ... Nf6 Nc3 Qe6 Bf1 Rhg8 Ne2 g5 fxg5 Rxg5 O-O-O Nd7
Bg2 f6 Kb1 h4 g4
15/37 17:55 x.xx ... h4
15/37 19:18 ++ ... h4
15/37 21:16 1.63 ... h4 Bxg4 Bxg4 hxg4 hxg3 Rg1 Rh2 Nc3 Bxe3 O-O-O
Bxg1 Rxg1 e3 Ne4 exd2+ Kd1 g5 Nxg5
15--> 21:26 1.63 ... h4 Bxg4 Bxg4 hxg4 hxg3 Rg1 Rh2 Nc3 Bxe3 O-O-O
Bxg1 Rxg1 e3 Ne4 exd2+ Kd1 g5 Nxg5
16/37 27:21 ++ ... h4
16... 27:21 1/49 h4
Time: 30:00, cpu 87.93%, nodes 752548428, nps 418063
Hash: 256M, used 99%, hits 27%
EGTB: probs 0, hits 0
Best move: h4 (1.98) Solved (1/1)
Summery: 1/1
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.