Author: Uri Blass
Date: 15:46:40 11/15/02
Go up one level in this thread
On November 15, 2002 at 15:49:41, Dann Corbit wrote:
>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
> Time: 00:24:04.56(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
Here is some analysis by movei00_778b(1000Mhz,64 mbytes)
depth=14 +0.31 h5h4
Nodes: 129228969 NPS: 149676
Time: 00:14:23.39
depth=14 +0.66 h5h4 e2g4 f5g4 h3g4 h4g3 h1g1 h8h2 e1f1 c5e3 g1g2 h2h1 f1e2 e3f4
c4c5 e7h4 c2e4 h4g4 e4f3 g4f3 e2f3 f4d2 b1d2 h1a1
Nodes: 206858380 NPS: 148013
Time: 00:23:17.56
depth=14 +0.66 h5h4 e2g4 f5g4 h3g4 h4g3 h1g1 h8h2 e1f1 c5e3 g1g2 h2h1 f1e2 e3f4
c4c5 e7h4 c2e4 h4g4 e4f3 g4f3 e2f3 f4d2 b1d2 h1a1
Nodes: 214418957 NPS: 148432
Time: 00:24:04.56
Uri
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