Author: Dann Corbit
Date: 12:43:17 07/11/01
Go up one level in this thread
On July 11, 2001 at 12:52:30, Sune Larsson wrote:
>
> [D]r5nr/pp3kpp/2pb4/3pn1P1/8/2N1B2B/PPP2P1P/2KRR3 w - - 0 20
>
> IM Berg,Emanuel 2496 - GM Akesson,Ralf 2481
>
>
> This is a position from today's 10th round in the SWE-ch. 19 year old
> Berg is a very gifted tactician. Here he chose 20.Nxd5!, got an advantage
> and won the game vs his more experienced opponent. It was from a e5-pushed
> Caro-Kann.
>
> Test: How long before your program finds and chooses 20.Nxd5!
>
> The whole game below.
>
>
>[Event "SM"]
>[Site "SWE"]
>[Date "2001.07.11"]
>[Round "10"]
>[White "Berg, Emanuel"]
>[Black "Akesson, Ralf"]
>[Result "1-0"]
>[ECO "B12"]
>[WhiteElo "2496"]
>[BlackElo "2481"]
>[PlyCount "61"]
>[EventDate "2001.07.11"]
>
>1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 f6 7. Nf4 Bf7 8. Qe2
>fxe5 9. Qxe5 Nd7 10. Qe2 Qf6 11. g5 Qxd4 12. Nxe6 Bxe6 13. Qxe6+ Be7 14. Bh3
>Qe5+ 15. Be3 Qxe6 16. Bxe6 Bd6 17. O-O-O Ke7 18. Bh3 Ne5 19. Rhe1 Kf7 20. Nxd5
>cxd5 21. Rxd5 Rd8 22. Bc5 Nc4 23. Rd4 b6 24. Be6+ Kg6 25. Bxc4 bxc5 26. Re6+
>Kxg5 27. Rdxd6 Nf6 28. Rc6 Rd7 29. Rxc5+ Kh4 30. Re3 Ng4 31. Re4 1-0
Much to my utter surprise, Beowulf solved it in one minute:
Could not Load Config File beowulf.cfg. Continuing...
Welcome to Beowulf Version 1.6 (Beta)!
Loading Opening Book book.dat ... OK
[34834 Positions]
Loading Personality File E:\pgn\winboard-engines\beowulf\personality.dat ... per
son.pawn_score was outside the allowed range of 100 to 100 (given at 115) and wa
s reset to 100
OK
Checking for Tablebase Files
r n b q k b n r
p p p p p p p p
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
P P P P P P P P
R N B Q K B N R
[1]W > st 999
Default Search Time set to 999 seconds
[1]W > test
Directory of EPD Files
Volume in drive E is New Volume
Volume Serial Number is 5CEB-5B7A
Directory of E:\programme\winboard\beowulf
05/07/2001 04:52p 96 m9.epd
07/11/2001 12:05p 107 ROUGH.EPD
2 File(s) 203 bytes
0 Dir(s) 4,111,949,824 bytes free
Please Choose : rough
rough.epd Loaded OK!
Output Log File ('.' for none) : .
Set Time Limit [1-3600s] : 999
Position 1 - White to play
--------------------------
ID = "CCC Sune Larsson, 7/11/2001 @12:52:30"
FEN = r5nr/pp3kpp/2pb4/3pn1P1/8/2N1B2B/PPP2P1P/2KRR3 w - -
r . . . . . n r
p p . . . k p p
. . p b . . . .
. . . p n . P .
. . . . . . . .
. . N . B . . B
P P P . . P . P
. . K R R . . .
Current Position = 0.25
Number of Possible Moves = 36
6 28 49 71094 c3e4 d6b4 e4d2 g8e7 f2f4 b4d2 c1d2
7 28 129 212653 c3e4 d6e7 e4d2 h7h6 f2f4 h6g5 f4e5 h8h3
8 19 432 697693 c3e4 d6b4 e4d2 g8e7 f2f4 e5c4 h3e6 f7g6 h2h4 c4e3
e1e3
9 -9 998 1609341 c3e4 d6b4 e3d2 b4e7 e4c5 e5f3 g5g6 h7g6 h3e6 f7f8
c5d7 f8e8
9 15 1456 2298052 f2f4 e5c4 e3d2 g8e7 h3e6 f7g6 e6g4 g6f7 e1e6 a8d8
a2a4
10 20 4431 6863423 f2f4 e5c4 c1b1 h7h6 e3c1 h6g5 h3e6 f7g6 f4f5 g6f6
d1d5 h8h2
10 44 5999 9305430 c3d5 c6d5 d1d5 e5c4 d5f5 f7g6 e3d4 c4b2 c1b2 d6h2
10 49 7090 11045055 c3d5 c6d5 d1d5 e5c4 d5f5 f7g6 e3d4 g8e7 e1e6 g6h5
f5f7 h5g5 f7g7
11 64 13733 21082460 c3d5 c6d5 d1d5 e5c4 d5f5 f7g6 e3d4 g8e7 e1e6 g6h5
f5f7 h8e8 f7g7
Search Time : 999.0 Seconds
Total Nodes Searched : 144495530 (88.6% Qui)
Total Nodes Evaluated : 128011260
Cuts : Delta 0 : SEE 32225368 : Mate 30694
: Razor 5591585 : Eval 57231131
Extensions : Check 4528656 : OneRep 98609 : CMThreat 3369
: Pawn 150633 : Recap 203073 : RevCheck 478901
Hash Stores (Size) : 1737783 (262139)
Hash Probes (Hits) : 119460830 (2327524)
EGTB Probes (Hits) : 0 (0)
Move Ordering : 67.2%
Best Move = c3d5
--Answer: Nxd5 ** Correct **
Time To Solution = 59.99 sec
Correct So Far : 1/1
Test Completed.
Results;
Correct : 1/1
Average Time To Solution = 59.99 sec
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