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Subject: Re: good sac (i think)

Author: William Bryant

Date: 10:57:54 06/19/00

Go up one level in this thread


On June 19, 2000 at 03:58:01, Will Singleton wrote:

>In a game tonight on ICC, Amateur declined to sac for the attack, and played
>14.Bg3.  But I think it's ok to take the pawn, so I was disappointed to see
>this.  What do other progs do?
>
>[D]1rbq1rk1/2pp1p2/2n2n1p/1p2p1p1/4P2B/1BPP1N2/2P2PPP/R2Q1RK1 w - g6
>
>[Event "ICC 15 2"]
>[Site "Internet Chess Club"]
>[Date "2000.06.18"]
>[Round "-"]
>[White "Amateur"]
>[Black "Grok"]
>[Result "1-0"]
>[ICCResult "Black resigns"]
>[WhiteElo "2361"]
>[BlackElo "2235"]
>[Opening "Ruy Lopez: Anderssen variation"]
>[ECO "C77"]
>[NIC "RL.12"]
>[Time "23:27:46"]
>[TimeControl "900+2"]
>
>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. Nc3 Bb4 8.
>a4 Bxc3+ 9. bxc3 Rb8 10. axb5 axb5 11. O-O O-O 12. Bg5 h6 13. Bh4 g5 14. Bg3
>d6 15. h4 g4 16. Nh2 Kg7 17. Qe2 Kg6 18. Rfb1 Bd7 19. Ra2 Ra8 20. Rba1 Rxa2
>21. Rxa2 Qb8 22. Qe3 Qb7 23. f3 gxf3 24. Qxf3 Qb8 25. Bf2 Nh5 26. Nf1 Qd8
>27. Ne3 Ne7 28. Nf5 Nxf5 29. exf5+ Bxf5 30. g4 Ng7 31. gxf5+ Nxf5 32. h5+
>Kg5 33. Ra7 Rg8 34. Bxf7 Rg7 35. Bg6 Rxg6 36. hxg6 Kxg6 37. Qg4+ Qg5 38.
>Qxg5+ hxg5 {Black resigns} 1-0

Screamer running in the background chose Nxg5 rather fast.  The score jumps up
by 1 minute.
This is running on a 266mhz G3 while connected to CCC.

William
wbryant@ix.netcom.com
Screamer Home Page
http://pweb.netcom.com/~wbryant/screamer.html

Welcome to Screamer 1.00  Build 52
Current Hash Table Size: 16384 K bytes
Current Pawn Hash Size: 4096 K bytes
Debug Control On
PVS Search
NULL move Search

New Board Position
1rbq1rk1/2pp1p2/2n2n1p/1p2p1p1/4P2B/1BPP1N2/2P2PPP/R2Q1RK1 w - g6
Move 1 W>>
The Current Search Time: 600 seconds
PLY       NODES     TIME    SCORE  PV
__________________________________________________
 5/00     13169     0.240   +0.51  Bg3 d6 c4 Be6 cxb5 Rxb5
 6/00     40392     0.779   +0.48  Bg3 d6 Bd5 Bb7 Bxc6 Bxc6 Ra7
 6/03     81513     1.546   +0.67  Nxg5 hxg5 Bxg5 Kg7 Qf3 d6 h4
 7/00    183349     3.229   +0.65  Nxg5 hxg5 Bxg5 Rb6 Qf3 Nb8 Qg3 Nh5
 8/00    430796     7.737   +0.92  Nxg5 hxg5 Bxg5 Rb6 Qf3 Kg7 h4 d6 h5
 9/00   1147190    21.540   +0.84  Nxg5 hxg5 Bxg5 Rb6 Qf3 Kg7 h4 Ra6 Rab1 Na7
10/00   5327114   113.188   +1.14  Nxg5 hxg5 Bxg5 Rb6 Qf3 Kg7 h4 Rh8 h5 Qe7 Bd5
     ----- Search Stopped -----
10/00   9958220   210.417   +1.14  Nxg5 hxg5 Bxg5 Rb6 Qf3 Kg7 h4 Rh8 h5 Qe7 Bd5
     Total Search Time: 210 seconds
     Move: Nxg5



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