Author: Steven J. Brann
Date: 16:21:54 10/23/01
Go up one level in this thread
On October 23, 2001 at 14:51:52, John Merlino wrote:
>On October 23, 2001 at 13:12:38, Andrew Williams wrote:
>
>>Hi,
>>
>>My program lost this game against a crafty clone on ICC recently:
>>
>>[Event "ICS rated blitz match"]
>>[Site "204.178.125.65"]
>>[Date "2001.10.21"]
>>[Round "-"]
>>[White "MoonShot"]
>>[Black "PostModernist"]
>>[Result "1-0"]
>>[WhiteElo "2859"]
>>[BlackElo "2772"]
>>[TimeControl "600+2"]
>>
>>1. d4 Nf6 2. c4 c6 3. Nc3 e6 4. e4 Bb4 5. Bd3 d5 6. e5 dxc4 7. Bxc4 Nd5 8.
>>Ne2 b6 9. O-O O-O 10. Qd3 Be7 11. Bd2 Bb7 12. Qg3 Kh8 13. Ne4 Ba6 14. Rac1
>>Bxc4 15. Rxc4 Qd7 16. Bg5 Na6 17. Bxe7 Nxe7 18. Nd6 Nc7 19. Rfc1 Rad8 20.
>>Qf3 Ne8 21. Ne4 Kg8 22. Qh3 a5 23. a4 Nc7 24. Qg4 Kh8 25. Qh5 Kg8 26. R1c3
>>Qd5 27. Nf6+ gxf6 28. Rg3+ Kh8 29. Qh6 Ng6 30. Rh3
>>{PostModernist resigns} 1-0
>>
>>
>>The move 27.Nf6+ wins everything immediately. MoonShot (crafty 18.12
>>on a K7 1.33GHz) found that in 14 seconds (albeit with hash-tables
>>already full). With some fiddling about with null move rules, PM can
>>find it in 37 seconds from a "standing start" (K7 1.2GHz). I'd be
>>interested to know how other programs do on this.
>>
>>[D]3r1rk1/2n1nppp/1pp1p3/p2qP2Q/P1RPN3/2R5/1P2NPPP/6K1 w - - bm Nf6
>>
>>
>>Regards
>>
>>Andrew
>
>Chessmaster 2003 (yep, a pre-alpha version) finds Nf6+ in 1 second on my
>PIII-600:
>
>Time Depth Score Positions Moves
>0:00 1/3 -0.53 1825 1.Qh4 Ng6 2.Qg4 Nxe5 3.Nf6+ Kh8
> 4.Nxd5 Nxg4
>0:00 1/3 -0.51 2251 1.Qf3 Qxe5 2.Re3
>0:00 1/3 -0.40 2563 1.Qg4 Qxe5 2.Re3
>0:00 1/3 0.15 3128 1.Ng5 h6 2.Nf4 Qd7
>0:00 1/3 0.30 3599 1.Nd2 c5 2.Rf3 Ng6
>0:00 1/4 0.58 10761 1.Nd2 c5 2.Rh3 h6 3.Rf3
>0:00 2/5 0.47 28873 1.Nd2 c5 2.Rh3 h6 3.Qg4 Nf5
>0:01 2/5 4.97 61949 1.Nf6+ gxf6 2.Rg3+ Ng6 3.Rh3 Nh4
> 4.Qxh4 Rfe8 5.exf6 Qf5 6.Qg3+ Qg6
> 7.Qxc7
>0:02 2/6 11.24 162916 1.Nf6+ gxf6 2.Rg3+ Kh8 3.Qh6 Ng6
> 4.Rh3 Qxg2+ 5.Kxg2 Nf4+ 6.Nxf4
> Rg8+ 7.Rg3 Ne8 8.Rxc6 fxe5 9.Rxg8+
> Kxg8 10.dxe5
>0:06 3/7 13.41 514809 1.Nf6+ gxf6 2.Rg3+ Ng6 3.Rh3 Nh4
> 4.Qxh4 Qe4 5.Qxe4 f5 6.Qh4 h6 7.Qxh6
>0:17 3/8 16.47 1697869 1.Nf6+ gxf6 2.Rg3+ Kh8 3.Qh6 Ng6
> 4.Rh3 Qxg2+ 5.Kxg2 Nf4+ 6.Nxf4
> Rg8+ 7.Kf1 Rg7 8.exf6 Rdg8 9.fxg7+
> Rxg7 10.Rxc6
>
>jm
As we have the opportunity, let's compare CM8000 head to head with the alpha
version CM2003.
My custom personality finds Nf6+ in less than a second. PIII 933 64MB hash.
Time Depth Score Positions Moves
0:00 1/5 0.56 28137 1. Nd2 c5 2. Rh3 h6 3. Qg4 Nf5
4. Rb3
0:00 1/5 5.75 46065 1. Nf6+ gxf6 2. Rg3+ Ng6 3. Rh3
Nh4 4. Qxh4 Rfe8 5. exf6 Qf5 6.
Qg3+ Qg6 7. Qxc7
0:01 1/6 13.14 100047 1. Nf6+ gxf6 2. Rg3+ Kh8 3. Qh6
Ng6 4. Rh3 Qxg2+ 5. Kxg2 Nf4+ 6.
Nxf4 Rg8+ 7. Rg3 Ne8 8. Rxc6 Rxd4
9. Rxe6
0:01 1/7 15.51 217539 1. Nf6+ gxf6 2. Rg3+ Ng6 3. Rh3
Nh4 4. Qxh4 Qe4 5. Qxe4 f5 6. Qh4
h6 7. Qxh6
0:03 1/8 19.18 549334 1. Nf6+ gxf6 2. Rg3+ Kh8 3. Qh6
Ng6 4. Rh3 Qxg2+ 5. Kxg2 Nf4+ 6.
Nxf4 Rg8+ 7. Kf1 Rg7 8. exf6 Rdg8
9. fxg7+ Rxg7 10. Rxc6
0:09 1/9 19.90 1573067 1. Nf6+ gxf6 2. Rg3+ Kh8 3. Qh6
Ng6 4. Rh3 Qxg2+ 5. Kxg2 Nf4+ 6.
Nxf4 Rg8+ 7. Kf1 Rg7 8. exf6 Rdg8
9. fxg7+ Rxg7 10. Rxc6 Ne8 11.
Rxb6
0:27 1/10 25.17 4644735 1. Nf6+ gxf6 2. Rg3+ Kh8 3. Qh6
Ng6 4. Rh3 Qxg2+ 5. Kxg2 Nh4+ 6.
Rxh4 Rg8+ 7. Kf1 Rg7 8. exf6 Rdg8
9. fxg7+ Rxg7 10. Rxc6 Ne8 11.
Rc8 Rg1+ 12. Kxg1
1:24 1/11 29.43 14837127 1. Nf6+ gxf6 2. Rg3+ Kh8 3. Qh6
Ng6 4. Rh3 Qxg2+ 5. Kxg2 Nh4+ 6.
Rxh4 Rg8+ 7. Kf1 Rg7 8. exf6 Rdg8
9. fxg7+ Rxg7 10. Rxc6 Kg8 11.
Rxc7 Kf8 12. Rg4 Ke8 13. Rxg7
3:36 1/12 Mate15 38472587 1. Nf6+ gxf6 2. Rg3+ Kh8 3. Qh6
Ng6 4. Rh3 Nh4 5. Qxf6+ Kg8 6.
Rxh4 Rfe8 7. Qh6 Qe4 8. Rxe4 f5
9. exf6ep Re7 10. fxe7 Rc8 11.
Rg4+ Kf7 12. Qxh7+ Ke8 13. Rg8+
Kd7 14. e8=Q+ Kd6 15. Qxc6#
Steve
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