Author: Dann Corbit
Date: 11:46:04 08/16/01
Go up one level in this thread
On August 16, 2001 at 04:42:20, Scott Gasch wrote:
>This is a position that can come up in the sicilian dragon. My engine does not
>see it until it's way too late, even in standard time controls.
>
>[D] 3qr1k1/pp1bppb1/3p2p1/2rN2Bn/2nNPPp1/1B6/PPP1Q3/2KR3R b - - 0 1
>
>The idea is to avoid Ng3 because it leads to something like this:
>
>[D] 3qr1k1/pp1bppb1/3p2p1/2rN2B1/2nNPPp1/1B6/PPP4Q/2K4R b - - 0 3
>
>I bet that the strong amateurs and pros will avoid this move quickly. I need
>about 6M nodes and 10 ply to see its bad... even then my engine still wants to
>play it as it thinks the king can sneak out. It can't, according to opening
>book literature.
Unless it has found some sort of revolutionary escape that I can't see...
E:\yace\Release>yace
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
DBBOOK100 50000 128 20 ff 139673
entries 87381 size 1048572 size_wanted 1048576 tts3 29126
pos_learn = 1
Stored 0 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 65000000
Stored 0 learned positions into hash table
entries 5416665 size 64999980 size_wanted 65000000 tts3 1805554
5-men endgame table bases found
white ( 1): st 999
white ( 1): post
white ( 1): setboard 3qr1k1/pp1bppb1/3p2p1/2rN2Bn/2nNPPp1/1B6/PPP1Q3/2KR3R b - -
Stored 0 learned positions into hash table
black ( 1): go
usetime = 998.00, mintime = 998.00 maxtime = 998.00 tl 998.00 ml 0
30 0.030 0.54 1t 1...Bxd4 2.Rxd4 {150}
299 0.033 0.64 1t 1...b5 2.Bxc4 bxc4 {170}
414 0.039 0.88 1t 1...Ng3 {160}
441 0.045 0.88 1. 1...Ng3 {160}
550 0.052 1.30 2++ 1...Ng3 2.Rhe1 {160}
895 0.059 2.40 2t 1...Ng3 2.Qd3 Nxh1 3.Bxc4 {320}
1652 0.067 2.40 2. 1...Ng3 2.Qd3 Nxh1 3.Bxc4 {320}
2223 0.073 2.40 3t 1...Ng3 2.Qd3 Nxh1 3.Bxc4H {320}
2627 0.079 2.40 3. 1...Ng3 2.Qd3 Nxh1 3.Bxc4 {320}
8232 0.110 2.40 4t 1...Ng3 2.Qd3 Nxh1 3.Bxc4 {320}
11395 0.120 2.40 4. 1...Ng3 2.Qd3 Nxh1 3.Bxc4 {320}
26580 0.160 2.54 5t 1...Ng3 2.Qd3 Nxh1 3.Rxh1 Na5 4.Kb1 Bxd4 5.Qxd4
Nxb3 6.axb3 {320}
33075 0.183 2.54 5. 1...Ng3 2.Qd3 Nxh1 3.Rxh1 Na5 4.Kb1 Bxd4 5.Qxd4
Nxb3 6.axb3 {320}
89375 0.313 2.54 6t 1...Ng3 2.Qd3 Nxh1 3.Rxh1 Na5 4.Kb1 Bxd4
5.Qxd4H Nxb3H 6.axb3H {320}
120306 0.396 2.54 6. 1...Ng3 2.Qd3 Nxh1 3.Rxh1 Na5 4.Kb1 Bxd4 5.Qxd4
Nxb3 6.axb3 {320}
287134 0.792 2.54 7t 1...Ng3 2.Qd3 Nxh1 3.Rxh1 Na5 4.Bh6 Nxb3+
5.Nxb3 Rc6 {330}
550667 1.641 2.54 7. 1...Ng3 2.Qd3 Nxh1 3.Rxh1 Na5 4.Bh6 Nxb3+
5.Nxb3 Rc6 {330}
1131755 3.079 2.51 8t 1...Ng3 2.Qd3 Nxh1 3.Rxh1 Na5 4.Bh6 Bxd4 5.Qxd4
Nxb3+ 6.axb3 {320}
2283542 6.345 2.51 8. 1...Ng3 2.Qd3 Nxh1 3.Rxh1 Na5 4.Bh6 Bxd4 5.Qxd4
Nxb3+ 6.axb3 {320}
6333595 17.544 2.11 9-- 1...Ng3 2.Qh2 Nxh1 3.Rxh1 Nxb2 4.Qh7+ Kf8 5.Bh6
Nd3+ 6.Kd2 Qa5+ 7.Kxd3 Rb5
6895441 19.018 2.10 9t 1...Ng3 2.Qh2 Nxh1 3.Rxh1 Kf8H 4.Nxe7H Rxg5H
5.fxg5H Bxd4H 6.Qxd6H {350}
14516908 41.126 2.10 9. 1...Ng3 2.Qh2 Nxh1 3.Rxh1 Kf8 4.Nxe7 Rxg5
5.fxg5 Bxd4 6.Qxd6 {350}
20340771 57.151 1.70 10-- 1...Ng3 2.Qh2 Nxh1 3.Rxh1 Kf8 4.Bh6 Rxd5 5.exd5
Be6 6.dxe6 fxe6 {-110}
29887637 1:23.5 1.14 10t 1...Ng3 2.Qh2 Nxh1 3.Rxh1 f6 4.Bh6 g3 5.Qxg3
Kf7 6.Rg1 g5 7.fxg5 {160}
148206603 8:00.4 1.14 10. 1...Ng3 2.Qh2 Nxh1 3.Rxh1 f6 4.Bh6 g3 5.Qxg3
Kf7 6.Rg1 g5 7.fxg5 {160}
169918930 8:59.7 1.14 11t 1...Ng3 2.Qh2 Nxh1 3.Rxh1 f6 4.Bh6 g3 5.Qxg3
Kf7 6.Rg1 g5 7.fxg5 {160}
314146689 16:38.0 1.14 11u. 1...Ng3 2.Qh2 Nxh1 3.Rxh1 f6 4.Bh6 g3 5.Qxg3
Kf7 6.Rg1 g5 7.fxg5 {160}
314146689 Nodes, 55.45% Leavenodes, 314779 Nodes/sec
248228116 eval, 49.07% score, 1335850624 genmoves, 22.62% captures le 384/453
ext: pawn 112763, rcp 886205, chk 4494682, repchk 995275, null 25523, prune
13953658
htable: 259460542 store, 0 rejected, 301713721 probe, 16.7% f/p, 19.4% f/s
entries 5416665 age 1 renew 0
egtb probes 0, found 0 max_depth 37
black ( 1): Ng3
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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