Author: Dann Corbit
Date: 12:01:09 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
That one is a BEAUTY! I'll have to add it to my tough guys collection.
Here is Yace giving it a try (no go after 999 seconds):
Crafty is the magic word, Scid wants to see
Yace (Yet another chess engine) version 0.99.50
Type help for a (very unhelpful) list of commands
Make sure, you have a file yace.ini in the current directory, with a line:
hash 30M
or similar, otherwise Yace will only use a very small hash of 1M.
feature done=0
DBBOOK101 100000 128 20 ff 251465
entries 87381 size 1048572 size_wanted 1048576 tts3 29126
pos_learn = 1
Stored 7 learned positions into hash table
book_learn = 4
Could not open "dblearn.bin" in mode rb: Winboard does not like my error message
hash size wanted 32000000
Stored 7 learned positions into hash table
entries 2666664 size 31999968 size_wanted 32000000 tts3 888887
5-men endgame table bases found
irepcheck = 0.75
irecapture = 0.75
null_low = 2.50
white ( 1): setboard r5nr/pp3kpp/2pb4/3pn1P1/8/2N1B2B/PPP2P1P/2KRR3 w - -
Stored 7 learned positions into hash table
white ( 1): st 999
white ( 1): go
usetime = 998.00, mintime = 998.00 maxtime = 998.00 tl 998.00 ml 0
7 0.023 -0.41 1t 1.Nxd5 cxd5 2.Rxd5 {-170}
25 0.024 0.07 1t 1.Bc5 Bxc5 2.Rxe5 Bxf2 {-80}
26 0.026 1.36 1t 1.Bd4 {10}
67 0.028 1.36 1. 1.Bd4 {10}
187 0.030 1.39 2t 1.Bd4 Nf3 {10}
603 0.032 1.39 2. 1.Bd4 Nf3 {10}
1013 0.034 1.21 3t 1.Bd4 Nf3 2.Be6+ Kg6 {10}
3006 0.041 1.21 3. 1.Bd4 Nf3 2.Be6+ Kg6 {10}
3581 0.044 0.81 4-- 1.Bd4 Nf3 2.g6+ hxg6 3.Bc5 {-70}
6138 0.064 0.16 4t 1.Bd4 Nf3 2.Re3 Nxd4 {-340}
7652 0.070 0.25 4t+ 1.Bc5 Bxc5 2.Rxe5 Kg6 3.Rf1 Bxf2 {-80}
8699 0.074 0.59 4t 1.Bc5 Bxc5 2.Rxe5 Re8 3.f4 Rxe5 4.fxe5 {0}
14442 0.087 0.71 4t+ 1.Kb1 Bb4
15451 0.092 0.82 4t 1.Kb1 Nf3 2.Re2 Bxh2 {-70}
19837 0.104 0.90 4t+ 1.f4 Ne7
20817 0.109 0.99 4t 1.f4 Nc4 2.Rd4 Nxe3 {-340}
27043 0.126 1.00 4t+ 1.Ne4 Bb4 2.Bd2 a5 {10}
27502 0.129 1.03 4t 1.Ne4 Bb4 2.Bd2 Bxd2+ 3.Nxd2 {10}
32036 0.142 1.03 4. 1.Ne4 Bb4 2.Bd2 Bxd2+ 3.Nxd2 {10}
42125 0.170 0.94 5t 1.Ne4 Bb4 2.Nd2 Ne7 3.Bd4 {10}
142610 0.402 0.95 5t+ 1.Bg2 Nc4 2.Nxd5 Nxb2 3.Kxb2 Be5+ 4.Bd4 cxd5
{10}
157205 0.448 0.96 5t 1.Bg2 Bb4 2.Bd4 Ng4 3.h4H {10}
178999 0.494 0.96 5. 1.Bg2 Bb4 2.Bd4 Ng4 3.h4 {10}
242899 0.686 0.93 6t 1.Bg2 Ne7 2.Bd4 N5g6 3.h3 Bf4+ 4.Be3H {10}
613046 1.417 0.93 6. 1.Bg2 Ne7 2.Bd4 N5g6 3.h3 Bf4+ 4.Be3 {10}
806598 1.958 0.80 7t 1.Bg2 Ne7 2.Ne4 Bb4 3.Bd2 Bxd2+ 4.Nxd2 N7g6 {10}
860514 2.109 0.81 7t+ 1.Ne4 Bb4 2.Nd2 Bxd2+ 3.Bxd2 Ng4 4.Bxg4 Kg6
{360}
1015741 2.448 0.93 7t 1.Ne4 Bb4 2.Bd2 Bxd2+ 3.Nxd2 Re8 4.f4 Ng6H
5.f5H Rxe1H 6.Rxe1H {10}
2302947 4.905 0.93 7. 1.Ne4 Bb4 2.Bd2 Bxd2+ 3.Nxd2 Re8 4.f4 Ng6 5.f5
Rxe1 6.Rxe1 {10}
3716156 8.066 0.79 8t 1.Ne4 Bb4 2.Nd2 Re8 3.b3 Bxd2+ 4.Bxd2 h6
5.gxh6H Nxh6H {20}
7663560 15.844 0.79 8. 1.Ne4 Bb4 2.Nd2 Re8 3.b3 Bxd2+ 4.Bxd2 h6 5.gxh6
Nxh6 {20}
9965302 20.524 0.60 9t 1.Ne4 Bb4 2.Nd2 h6 3.gxh6 Nxh6 4.Bd4 Nhg4 5.Bf1
Rae8 {10}
23838251 49.566 0.61 9t+ 1.Re2 Nc4 2.Bd4 Bf4+ 3.Kb1 Bxg5 4.Be6+ Kg6 5.b3
Na3+ 6.Kb2 Bh6 {-70}
24917467 51.775 0.61 9t 1.Re2 Nc4 2.Bd4 Bxh2H 3.b3H Bf4+H 4.Kb1H Nb6H
5.Be6+H Kg6H 6.Nxd5H cxd5H {-330}
29501655 1:01.6 0.61 9. 1.Re2 Nc4 2.Bd4 Bxh2 3.b3 Bf4+ 4.Kb1 Nb6 5.Be6+
Kg6 6.Nxd5 cxd5 {-330}
35610450 1:15.9 0.44 10t 1.Re2 Nc4 2.Bd4 Bxh2 3.Kb1 Bf4 4.Rg1 Nd2+ 5.Ka1
Nf3 6.Be6+ Kg6 {-70}
36789240 1:19.0 0.45 10t+ 1.Ne4 Bb4 2.Nd2 h6 3.gxh6 Nxh6 4.f4 Nhg4 5.fxe5
Nxe5 {270}
40544728 1:27.5 0.56 10t 1.Ne4 Bb4 2.Nd2 h6 3.Bg2 hxg5 4.Bxg5 Rxh2
5.Bxd5+ cxd5 6.Rxe5H {HT} {0}
81596960 2:55.9 0.56 10. 1.Ne4 Bb4 2.Nd2 h6 3.Bg2 hxg5 4.Bxg5 Rxh2
5.Bxd5+ cxd5 6.Rxe5 {HT} {0}
96348673 3:28.6 0.42 11t 1.Ne4 Bb4 2.Nd2 h6 3.Bg2 hxg5 4.Bxg5 Rxh2
5.Bxd5+ cxd5 6.Rxe5 Re8 7.Rxd5 {80}
104205082 3:49.8 0.43 11t+ 1.Re2 Nc4 2.Bd4 Bxh2 3.Kb1 Bf4 4.Rg1 Nd2+ 5.Ka1
Kg6 6.Re6+ Nf6 7.gxf6+ Kf7 {270}
138492959 5:09.9 0.61 11t 1.Re2 Nc4 2.Bd4 Bxh2 3.Kb1 Bf4 4.Rg1 Rd8 5.Rg4
Bd2 6.Rg3 {-70}
147073547 5:35.7 0.62 11t+ 1.Bg2 Ne7 2.Ne4 Bc7 3.Nc5 Ng4 4.Bd4 Bf4+ 5.Kb1
Kf8 6.Bxg7+ Kxg7 7.Rxe7+ Kg6 {80}
166936158 6:26.8 0.63 11t 1.Bg2 Ne7 2.Ne4 Bb4 3.Bd2 Bxd2+ 4.Nxd2 N7g6
5.Re3 Rhe8 {HT} {10}
259813249 9:34.8 0.63 11. 1.Bg2 Ne7 2.Ne4 Bb4 3.Bd2 Bxd2+ 4.Nxd2 N7g6
5.Re3 Rhe8 {HT} {10}
328567440 12:30.7 0.48 12t 1.Bg2 Ne7 2.Bd4 N5g6 3.Bh3 Bxh2 4.Kb1 Bf4
5.Be6+ Kf8 6.Rg1 h6 7.gxh6 Rxh6 {-70}
378594762 14:43.6 0.49 12t+ 1.Re2 Nc4 2.Bd4 Bxh2 3.Kb1 Bf4 4.Rg1 Rd8 5.Rg4
Nd2+ 6.Ka1 Kf8
426556170 16:38.0 0.49 12t 1.Re2 Nc4 2.Bd4 Bxh2 3.Kb1 Bf4 4.Rg1 Rd8 5.Rg4
Nd2+ 6.Ka1 Kf8
426556170 16:38.0 0.49 12u. 1.Re2 Nc4 2.Bd4 Bxh2 3.Kb1 Bf4 4.Rg1 Rd8 5.Rg4
Nd2+ 6.Ka1 Kf8
426556170 Nodes, 35.59% Leavenodes, 427414 Nodes/sec
317862398 eval, 38.28% score, 1375297577 genmoves, 15.17% captures le 357/255
ext: pawn 98221, rcp 998556, chk 11527830, repchk 2637336, null 6179, prune 2399
6640
htable: 343333077 store, 0 rejected, 417633699 probe, 21.6% f/p, 26.3% f/s
entries 2666664 age 1 renew 0
egtb probes 0, found 0 max_depth 36
white ( 1): Re2
black ( 1):
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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