Test position: Lc0 vs Stockfish, TCEC 18, game 65

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MMarco
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Test position: Lc0 vs Stockfish, TCEC 18, game 65

Post by MMarco » Sun Jun 28, 2020 4:02 am

LCZero v0.25.1-svjio-t60-3972-mlh vs Stockfish 202006170741. Quite spectacular! White offers the queen for two minors when black is already up three pawns!

[d]2rqr1k1/pp1bbp1p/4p1pB/4P3/1nQpN3/P4N2/5PP1/3RR1K1 w - - 0 21

The game is still ongoing:

Vinvin
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Re: Test position: Lc0 vs Stockfish, TCEC 18, game 65

Post by Vinvin » Sun Jun 28, 2020 8:19 am


zullil
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Re: Test position: Lc0 vs Stockfish, TCEC 18, game 65

Post by zullil » Sun Jun 28, 2020 10:29 am

Games like this are what make NN engines so fascinating!

Stockfish-dev does find Qxb4, but it takes a long time. Note that the key move goes from last on the movelist to first:

info depth 66 currmove f3h4 currmovenumber 50
info depth 66 currmove c4c8 currmovenumber 51
info depth 66 currmove c4b4 currmovenumber 52
info depth 66 seldepth 13 multipv 1 score cp 9 lowerbound nodes 39573541410 nps 31405877 hashfull 1000 tbhits 12260027 time 1260068 pv c4b4
info depth 65 currmove c4b4 currmovenumber 1
info depth 66 seldepth 13 multipv 1 score cp 18 lowerbound nodes 45306196522 nps 31334209 hashfull 1000 tbhits 18278974 time 1445902 pv c4b4
info depth 64 currmove c4b4 currmovenumber 1
info depth 66 seldepth 15 multipv 1 score cp 32 lowerbound nodes 47741826399 nps 31411679 hashfull 1000 tbhits 19901973 time 1519875 pv c4b4
info depth 63 currmove c4b4 currmovenumber 1
info depth 66 seldepth 62 multipv 1 score cp 51 lowerbound nodes 49803864731 nps 31506378 hashfull 1000 tbhits 21896345 time 1580755 pv c4b4
info depth 62 currmove c4b4 currmovenumber 1
info depth 66 seldepth 62 multipv 1 score cp 78 lowerbound nodes 51663513926 nps 31601591 hashfull 1000 tbhits 23599374 time 1634839 pv c4b4
info depth 61 currmove c4b4 currmovenumber 1
info depth 66 seldepth 108 multipv 1 score cp 114 lowerbound nodes 67369439394 nps 31961787 hashfull 1000 tbhits 70465790 time 2107812 pv c4b4
info depth 60 currmove c4b4 currmovenumber 1
info depth 66 seldepth 108 multipv 1 score cp 160 lowerbound nodes 68820278961 nps 32025087 hashfull 1000 tbhits 73684730 time 2148949 pv c4b4
info depth 59 currmove c4b4 currmovenumber 1
info depth 59 currmove a3b4 currmovenumber 2
info depth 59 currmove c4d4 currmovenumber 3
...
info depth 59 currmove d1d4 currmovenumber 51
info depth 59 currmove f3d4 currmovenumber 52
info depth 59 currmove c4e6 currmovenumber 53
info depth 66 seldepth 114 multipv 1 score cp 160 nodes 78492389231 nps 32245608 hashfull 1000 tbhits 95003247 time 2434204 pv c4b4 e7b4 a3b4 f7f5 e4f6 g8h8 d1d4 e8e7 e1d1 c8c7 d1d3 d8c8 g1h2 b7b6 f3h4 e7f7 h4g6 h7g6 d3h3 c8g8 d4h4 d7b5 h6g7 h8g7 f6g8 g7f8 h4h8 f7g7 g8f6 f8e7 f2f4 a7a5 h8b8 a5b4 b8b6 b5c6 b6b4 g7f7 f6g8 e7d8 b4b8 c7c8 b8c8 d8c8 g8f6 f7f8 h2g3 f8d8 g3h4 c6g2 h3c3 c8b7 h4g5 g2f1 f6h7 b7b6 g5f6 d8d4 c3b3 f1b5 b3f3 b5c6 f3f2 c6d5 h7f8 d4c4 f2f1 c4c6 f8g6 b6c5 f1c1 d5c4 c1d1 c4b3 d1d2 c6a6 d2d8 b3d5 g6f8 a6c6 f6g5 c6a6 f8d7 c5b5 d8c8 a6c6 c8b8 b5c4 d7f6 c4c5 b8d8 d5c4 f6d7 c5b4 d7f8 b4c5 f8g6 c6c7 g5f6 c7c6 d8d2 c6a6 g6e7 c4b3

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AdminX
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Re: Test position: Lc0 vs Stockfish, TCEC 18, game 65

Post by AdminX » Sun Jun 28, 2020 11:08 am

This game definitely needs to be added to the "Leela Chess Zero Immortal Collection"! :D
"Good decisions come from experience, and experience comes from bad decisions."
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zullil
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Re: Test position: Lc0 vs Stockfish, TCEC 18, game 65

Post by zullil » Sun Jun 28, 2020 11:34 am

zullil wrote:
Sun Jun 28, 2020 10:29 am
Games like this are what make NN engines so fascinating!

Stockfish-dev does find Qxb4, but it takes a long time. Note that the key move goes from last on the movelist to first:

info depth 66 currmove f3h4 currmovenumber 50
info depth 66 currmove c4c8 currmovenumber 51
info depth 66 currmove c4b4 currmovenumber 52
info depth 66 seldepth 13 multipv 1 score cp 9 lowerbound nodes 39573541410 nps 31405877 hashfull 1000 tbhits 12260027 time 1260068 pv c4b4
info depth 65 currmove c4b4 currmovenumber 1
info depth 66 seldepth 13 multipv 1 score cp 18 lowerbound nodes 45306196522 nps 31334209 hashfull 1000 tbhits 18278974 time 1445902 pv c4b4
info depth 64 currmove c4b4 currmovenumber 1
info depth 66 seldepth 15 multipv 1 score cp 32 lowerbound nodes 47741826399 nps 31411679 hashfull 1000 tbhits 19901973 time 1519875 pv c4b4
info depth 63 currmove c4b4 currmovenumber 1
info depth 66 seldepth 62 multipv 1 score cp 51 lowerbound nodes 49803864731 nps 31506378 hashfull 1000 tbhits 21896345 time 1580755 pv c4b4
info depth 62 currmove c4b4 currmovenumber 1
info depth 66 seldepth 62 multipv 1 score cp 78 lowerbound nodes 51663513926 nps 31601591 hashfull 1000 tbhits 23599374 time 1634839 pv c4b4
info depth 61 currmove c4b4 currmovenumber 1
info depth 66 seldepth 108 multipv 1 score cp 114 lowerbound nodes 67369439394 nps 31961787 hashfull 1000 tbhits 70465790 time 2107812 pv c4b4
info depth 60 currmove c4b4 currmovenumber 1
info depth 66 seldepth 108 multipv 1 score cp 160 lowerbound nodes 68820278961 nps 32025087 hashfull 1000 tbhits 73684730 time 2148949 pv c4b4
info depth 59 currmove c4b4 currmovenumber 1
info depth 59 currmove a3b4 currmovenumber 2
info depth 59 currmove c4d4 currmovenumber 3
...
info depth 59 currmove d1d4 currmovenumber 51
info depth 59 currmove f3d4 currmovenumber 52
info depth 59 currmove c4e6 currmovenumber 53
info depth 66 seldepth 114 multipv 1 score cp 160 nodes 78492389231 nps 32245608 hashfull 1000 tbhits 95003247 time 2434204 pv c4b4 e7b4 a3b4 f7f5 e4f6 g8h8 d1d4 e8e7 e1d1 c8c7 d1d3 d8c8 g1h2 b7b6 f3h4 e7f7 h4g6 h7g6 d3h3 c8g8 d4h4 d7b5 h6g7 h8g7 f6g8 g7f8 h4h8 f7g7 g8f6 f8e7 f2f4 a7a5 h8b8 a5b4 b8b6 b5c6 b6b4 g7f7 f6g8 e7d8 b4b8 c7c8 b8c8 d8c8 g8f6 f7f8 h2g3 f8d8 g3h4 c6g2 h3c3 c8b7 h4g5 g2f1 f6h7 b7b6 g5f6 d8d4 c3b3 f1b5 b3f3 b5c6 f3f2 c6d5 h7f8 d4c4 f2f1 c4c6 f8g6 b6c5 f1c1 d5c4 c1d1 c4b3 d1d2 c6a6 d2d8 b3d5 g6f8 a6c6 f6g5 c6a6 f8d7 c5b5 d8c8 a6c6 c8b8 b5c4 d7f6 c4c5 b8d8 d5c4 f6d7 c5b4 d7f8 b4c5 f8g6 c6c7 g5f6 c7c6 d8d2 c6a6 g6e7 c4b3
In contract to the above, here's Lc0 (Network 384x30-t60-4229):

Code: Select all

0628 06:39:11.586849 139680473405184 ../../src/chess/uciloop.cc:222] << info depth 7 seldepth 12 time 3061 nodes 356 score cp -2 wdl 324 336 340 nps 1687 tbhits 0 pv c4d4 b4d5 f3h2 d8b6 d4a1 c8c2 h2g4 d7
c6 d1d5 c6d5
0628 06:39:11.636047 139680473405184 ../../src/chess/uciloop.cc:222] << info depth 7 seldepth 12 time 3110 nodes 478 score cp 56 wdl 573 213 214 nps 1831 tbhits 0 pv c4b4 e7b4 a3b4 c8c4 e4f6 g8h8 f3g5 e8
e7 d1d3 d7b5 d3h3 c4c3
0628 06:39:11.659228 139680481797888 ../../src/chess/uciloop.cc:222] << info depth 7 seldepth 13 time 3134 nodes 592 score cp 72 wdl 622 191 187 nps 2084 tbhits 0 pv c4b4 e7b4 a3b4 d7c6 e4f6 g8h8 f3g5 e8
e7 d1d3 d8b6 d3h3 b6b4
0628 06:39:11.686574 139680473405184 ../../src/chess/uciloop.cc:222] << info depth 7 seldepth 14 time 3161 nodes 697 score cp 70 wdl 617 189 194 nps 2241 tbhits 0 pv c4b4 e7b4 a3b4 c8c4 e4f6 g8h8 f3g5 e8
e7 d1d3 d7b5 d3h3 c4c3 h3h4 d4d3
Lc0 settles on Qxb4 in just seconds. And after 50M nodes:

Code: Select all

0628 07:27:34.238263 139680481797888 ../../src/mcts/stoppers/stoppers.cc:66] Stopped search: Reached visits limit: 50000033>=50000000
0628 07:27:34.238575 139680481797888 ../../src/chess/uciloop.cc:222] << info depth 25 seldepth 57 time 2905713 nodes 50000033 score cp 241 wdl 830 116 54 nps 17224 tbhits 330 pv c4b4 e7b4 a3b4 c8c4 e4f6 g8h8 d1d3 d8c7 f3g5 d7b5 g5h7 c4c3 d3d4 c3c4 f6e8 b5e8 d4c4 c7c4 h7f6 g6g5 f6e8 c4b4 e1e3 h8h7 h6g5 f7f5 e3h3 h7g8 g5f6 b4e1 g1h2 e1f2 h3h8 g8f7 e8d6 f7g6 h8g8 g6h5 g8g5 h5h4 g5f5 h4g4 f5f2 b7b5 g2g3 g4h5 g3g4 h5g4 d6e4
0628 07:27:34.238938 139680481797888 ../../src/mcts/search.cc:415] === Move stats:
0628 07:27:34.238949 139680481797888 ../../src/mcts/search.cc:416] h6e3  (1359) N:     579 (+ 0) (P:  0.58%) (WL: -0.95812) (D: 0.018) (M: 38.5) (Q: -0.95812) (U: 1.73470) (S:  0.77658) (V:  -.----) 
0628 07:27:34.238965 139680481797888 ../../src/mcts/search.cc:416] c4c3  (715 ) N:     580 (+ 0) (P:  0.59%) (WL: -0.96330) (D: 0.011) (M: 36.3) (Q: -0.96330) (U: 1.73795) (S:  0.77465) (V:  -.----) 
0628 07:27:34.238970 139680481797888 ../../src/mcts/search.cc:416] c4c2  (710 ) N:     590 (+ 0) (P:  0.60%) (WL: -0.96089) (D: 0.011) (M: 35.3) (Q: -0.96089) (U: 1.73750) (S:  0.77661) (V:  -.----) 
0628 07:27:34.238974 139680481797888 ../../src/mcts/search.cc:416] e4d2  (778 ) N:     597 (+ 0) (P:  0.60%) (WL: -0.94114) (D: 0.017) (M: 41.1) (Q: -0.94114) (U: 1.71716) (S:  0.77602) (V:  -.----) 
0628 07:27:34.238979 139680481797888 ../../src/mcts/search.cc:416] c4c6  (732 ) N:     600 (+ 0) (P:  0.61%) (WL: -0.97635) (D: 0.010) (M: 38.0) (Q: -0.97635) (U: 1.75185) (S:  0.77550) (V:  -.----) 
0628 07:27:34.238984 139680481797888 ../../src/mcts/search.cc:416] c4c7  (735 ) N:     605 (+ 0) (P:  0.60%) (WL: -0.94587) (D: 0.015) (M: 38.0) (Q: -0.94587) (U: 1.72110) (S:  0.77524) (V:  -.----) 
0628 07:27:34.238988 139680481797888 ../../src/mcts/search.cc:416] e1e2  (106 ) N:     610 (+ 0) (P:  0.61%) (WL: -0.93470) (D: 0.015) (M: 36.7) (Q: -0.93470) (U: 1.71133) (S:  0.77663) (V:  -.----) 
0628 07:27:34.238992 139680481797888 ../../src/mcts/search.cc:416] c4c5  (727 ) N:     611 (+ 0) (P:  0.61%) (WL: -0.95779) (D: 0.015) (M: 40.1) (Q: -0.95779) (U: 1.73273) (S:  0.77495) (V:  -.----) 
0628 07:27:34.238997 139680481797888 ../../src/mcts/search.cc:416] e4g5  (798 ) N:     611 (+ 0) (P:  0.61%) (WL: -0.94065) (D: 0.014) (M: 36.8) (Q: -0.94065) (U: 1.71660) (S:  0.77595) (V:  -.----) 
0628 07:27:34.239001 139680481797888 ../../src/mcts/search.cc:416] h6g7  (1375) N:     612 (+ 0) (P:  0.61%) (WL: -0.95498) (D: 0.017) (M: 39.0) (Q: -0.95498) (U: 1.72991) (S:  0.77493) (V:  -.----) 
0628 07:27:34.239005 139680481797888 ../../src/mcts/search.cc:416] f3d4  (582 ) N:     616 (+ 0) (P:  0.61%) (WL: -0.92006) (D: 0.014) (M: 34.6) (Q: -0.92006) (U: 1.69629) (S:  0.77622) (V:  -.----) 
0628 07:27:34.239010 139680481797888 ../../src/mcts/search.cc:416] a3a4  (425 ) N:     617 (+ 0) (P:  0.61%) (WL: -0.93921) (D: 0.017) (M: 37.5) (Q: -0.93921) (U: 1.71431) (S:  0.77510) (V:  -.----) 
0628 07:27:34.239022 139680481797888 ../../src/mcts/search.cc:416] g1f1  (152 ) N:     621 (+ 0) (P:  0.62%) (WL: -0.94009) (D: 0.016) (M: 37.8) (Q: -0.94009) (U: 1.71546) (S:  0.77536) (V:  -.----) 
0628 07:27:34.239027 139680481797888 ../../src/mcts/search.cc:416] d1d2  (81  ) N:     622 (+ 0) (P:  0.62%) (WL: -0.92915) (D: 0.015) (M: 36.3) (Q: -0.92915) (U: 1.70425) (S:  0.77510) (V:  -.----) 
0628 07:27:34.239031 139680481797888 ../../src/mcts/search.cc:416] h6f4  (1361) N:     626 (+ 0) (P:  0.62%) (WL: -0.93542) (D: 0.018) (M: 38.5) (Q: -0.93542) (U: 1.71175) (S:  0.77633) (V:  -.----) 
0628 07:27:34.239035 139680481797888 ../../src/mcts/search.cc:416] e4g3  (786 ) N:     627 (+ 0) (P:  0.63%) (WL: -0.94574) (D: 0.015) (M: 38.5) (Q: -0.94574) (U: 1.72108) (S:  0.77534) (V:  -.----) 
0628 07:27:34.239040 139680481797888 ../../src/mcts/search.cc:416] h6c1  (1355) N:     628 (+ 0) (P:  0.63%) (WL: -0.94105) (D: 0.016) (M: 38.3) (Q: -0.94105) (U: 1.71625) (S:  0.77520) (V:  -.----) 
0628 07:27:34.239044 139680481797888 ../../src/mcts/search.cc:416] e1f1  (101 ) N:     635 (+ 0) (P:  0.63%) (WL: -0.93176) (D: 0.015) (M: 37.5) (Q: -0.93176) (U: 1.70771) (S:  0.77595) (V:  -.----) 
0628 07:27:34.239048 139680481797888 ../../src/mcts/search.cc:416] c4d5  (728 ) N:     638 (+ 0) (P:  0.64%) (WL: -0.95507) (D: 0.013) (M: 35.9) (Q: -0.95507) (U: 1.73008) (S:  0.77501) (V:  -.----) 
0628 07:27:34.239053 139680481797888 ../../src/mcts/search.cc:416] c4b5  (726 ) N:     642 (+ 0) (P:  0.64%) (WL: -0.93869) (D: 0.017) (M: 37.7) (Q: -0.93869) (U: 1.71318) (S:  0.77449) (V:  -.----) 
0628 07:27:34.239057 139680481797888 ../../src/mcts/search.cc:416] d1a1  (72  ) N:     643 (+ 0) (P:  0.64%) (WL: -0.93786) (D: 0.014) (M: 37.0) (Q: -0.93786) (U: 1.71256) (S:  0.77470) (V:  -.----) 
0628 07:27:34.239061 139680481797888 ../../src/mcts/search.cc:416] f3d2  (570 ) N:     643 (+ 0) (P:  0.64%) (WL: -0.92956) (D: 0.017) (M: 39.3) (Q: -0.92956) (U: 1.70438) (S:  0.77482) (V:  -.----) 
0628 07:27:34.239066 139680481797888 ../../src/mcts/search.cc:416] d1b1  (73  ) N:     645 (+ 0) (P:  0.64%) (WL: -0.93465) (D: 0.014) (M: 36.8) (Q: -0.93465) (U: 1.71134) (S:  0.77668) (V:  -.----) 
0628 07:27:34.239070 139680481797888 ../../src/mcts/search.cc:416] g1h2  (157 ) N:     649 (+ 0) (P:  0.64%) (WL: -0.93585) (D: 0.014) (M: 37.3) (Q: -0.93585) (U: 1.71093) (S:  0.77508) (V:  -.----) 
0628 07:27:34.239075 139680481797888 ../../src/mcts/search.cc:416] g2g3  (374 ) N:     650 (+ 0) (P:  0.65%) (WL: -0.93594) (D: 0.015) (M: 36.2) (Q: -0.93594) (U: 1.71032) (S:  0.77439) (V:  -.----) 
0628 07:27:34.239079 139680481797888 ../../src/mcts/search.cc:416] h6d2  (1357) N:     656 (+ 0) (P:  0.65%) (WL: -0.93238) (D: 0.016) (M: 38.4) (Q: -0.93238) (U: 1.70673) (S:  0.77435) (V:  -.----) 
0628 07:27:34.239083 139680481797888 ../../src/mcts/search.cc:416] g2g4  (378 ) N:     659 (+ 0) (P:  0.66%) (WL: -0.93848) (D: 0.014) (M: 35.3) (Q: -0.93848) (U: 1.71493) (S:  0.77645) (V:  -.----) 
0628 07:27:34.239087 139680481797888 ../../src/mcts/search.cc:416] g1h1  (153 ) N:     662 (+ 0) (P:  0.66%) (WL: -0.93634) (D: 0.014) (M: 37.1) (Q: -0.93634) (U: 1.71312) (S:  0.77679) (V:  -.----) 
0628 07:27:34.239092 139680481797888 ../../src/mcts/search.cc:416] e4c3  (782 ) N:     664 (+ 0) (P:  0.67%) (WL: -0.95821) (D: 0.017) (M: 37.4) (Q: -0.95821) (U: 1.73420) (S:  0.77599) (V:  -.----) 
0628 07:27:34.239096 139680481797888 ../../src/mcts/search.cc:416] f3g5  (590 ) N:     673 (+ 0) (P:  0.67%) (WL: -0.92668) (D: 0.015) (M: 34.2) (Q: -0.92668) (U: 1.70275) (S:  0.77606) (V:  -.----) 
0628 07:27:34.239100 139680481797888 ../../src/mcts/search.cc:416] h6g5  (1365) N:     677 (+ 0) (P:  0.66%) (WL: -0.91481) (D: 0.014) (M: 36.3) (Q: -0.91481) (U: 1.69076) (S:  0.77595) (V:  -.----) 
0628 07:27:34.239105 139680481797888 ../../src/mcts/search.cc:416] d1c1  (74  ) N:     680 (+ 0) (P:  0.67%) (WL: -0.93061) (D: 0.015) (M: 39.1) (Q: -0.93061) (U: 1.70506) (S:  0.77444) (V:  -.----) 
0628 07:27:34.239109 139680481797888 ../../src/mcts/search.cc:416] e1e3  (111 ) N:     683 (+ 0) (P:  0.68%) (WL: -0.95178) (D: 0.016) (M: 35.9) (Q: -0.95178) (U: 1.72789) (S:  0.77612) (V:  -.----) 
0628 07:27:34.239116 139680481797888 ../../src/mcts/search.cc:416] d1d4  (90  ) N:     685 (+ 0) (P:  0.67%) (WL: -0.90580) (D: 0.019) (M: 40.1) (Q: -0.90580) (U: 1.68112) (S:  0.77532) (V:  -.----) 
0628 07:27:34.239120 139680481797888 ../../src/mcts/search.cc:416] d1d3  (86  ) N:     693 (+ 0) (P:  0.69%) (WL: -0.94453) (D: 0.014) (M: 36.1) (Q: -0.94453) (U: 1.71959) (S:  0.77506) (V:  -.----) 
0628 07:27:34.239125 139680481797888 ../../src/mcts/search.cc:416] c4a6  (730 ) N:     696 (+ 0) (P:  0.69%) (WL: -0.94361) (D: 0.016) (M: 38.5) (Q: -0.94361) (U: 1.72022) (S:  0.77661) (V:  -.----) 
0628 07:27:34.239129 139680481797888 ../../src/mcts/search.cc:416] f3h4  (586 ) N:     696 (+ 0) (P:  0.70%) (WL: -0.95146) (D: 0.016) (M: 36.0) (Q: -0.95146) (U: 1.72825) (S:  0.77679) (V:  -.----) 
0628 07:27:34.239133 139680481797888 ../../src/mcts/search.cc:416] c4c1  (706 ) N:     703 (+ 0) (P:  0.69%) (WL: -0.92110) (D: 0.016) (M: 39.1) (Q: -0.92110) (U: 1.69704) (S:  0.77594) (V:  -.----) 
0628 07:27:34.239137 139680481797888 ../../src/mcts/search.cc:416] f3h2  (574 ) N:     717 (+ 0) (P:  0.71%) (WL: -0.93179) (D: 0.014) (M: 35.7) (Q: -0.93179) (U: 1.70795) (S:  0.77616) (V:  -.----) 
0628 07:27:34.239142 139680481797888 ../../src/mcts/search.cc:416] e4d6  (800 ) N:     732 (+ 0) (P:  0.72%) (WL: -0.91069) (D: 0.012) (M: 37.2) (Q: -0.91069) (U: 1.68513) (S:  0.77444) (V:  -.----) 
0628 07:27:34.239146 139680481797888 ../../src/mcts/search.cc:416] c4a2  (708 ) N:     738 (+ 0) (P:  0.72%) (WL: -0.90912) (D: 0.010) (M: 37.3) (Q: -0.90912) (U: 1.68391) (S:  0.77479) (V:  -.----) 
0628 07:27:34.239150 139680481797888 ../../src/mcts/search.cc:416] c4e6  (734 ) N:     742 (+ 0) (P:  0.74%) (WL: -0.95366) (D: 0.015) (M: 37.0) (Q: -0.95366) (U: 1.72845) (S:  0.77479) (V:  -.----) 
0628 07:27:34.239155 139680481797888 ../../src/mcts/search.cc:416] c4d3  (716 ) N:     745 (+ 0) (P:  0.73%) (WL: -0.91212) (D: 0.008) (M: 35.4) (Q: -0.91212) (U: 1.68841) (S:  0.77628) (V:  -.----) 
0628 07:27:34.239159 139680481797888 ../../src/mcts/search.cc:416] h6f8  (1377) N:     746 (+ 0) (P:  0.74%) (WL: -0.94262) (D: 0.019) (M: 39.5) (Q: -0.94262) (U: 1.71919) (S:  0.77657) (V:  -.----) 
0628 07:27:34.239163 139680481797888 ../../src/mcts/search.cc:416] e4c5  (794 ) N:     780 (+ 0) (P:  0.77%) (WL: -0.92081) (D: 0.033) (M: 49.6) (Q: -0.92081) (U: 1.69702) (S:  0.77621) (V:  -.----) 
0628 07:27:34.239168 139680481797888 ../../src/mcts/search.cc:416] a3b4  (426 ) N:     791 (+ 0) (P:  0.78%) (WL: -0.91750) (D: 0.007) (M: 36.4) (Q: -0.91750) (U: 1.69423) (S:  0.77674) (V:  -.----) 
0628 07:27:34.239172 139680481797888 ../../src/mcts/search.cc:416] c4c8  (737 ) N:    1394 (+ 0) (P:  1.31%) (WL: -0.84208) (D: 0.051) (M: 53.0) (Q: -0.84208) (U: 1.61848) (S:  0.77640) (V:  -.----) 
0628 07:27:34.239176 139680481797888 ../../src/mcts/search.cc:416] c4f1  (707 ) N:    4675 (+ 0) (P:  4.18%) (WL: -0.76496) (D: 0.089) (M: 58.1) (Q: -0.76496) (U: 1.54172) (S:  0.77677) (V:  -.----) 
0628 07:27:34.239181 139680481797888 ../../src/mcts/search.cc:416] e4f6  (802 ) N:    5506 (+ 0) (P:  4.08%) (WL: -0.50042) (D: 0.239) (M: 86.0) (Q: -0.50042) (U: 1.27705) (S:  0.77663) (V:  -.----) 
0628 07:27:34.239185 139680481797888 ../../src/mcts/search.cc:416] c4e2  (712 ) N:   18094 (+ 0) (P: 14.37%) (WL: -0.59390) (D: 0.150) (M: 67.5) (Q: -0.59390) (U: 1.37069) (S:  0.77679) (V:  -.----) 
0628 07:27:34.239189 139680481797888 ../../src/mcts/search.cc:416] c4b3  (714 ) N:   24821 (+ 0) (P: 20.98%) (WL: -0.68153) (D: 0.122) (M: 67.9) (Q: -0.68153) (U: 1.45831) (S:  0.77678) (V:  -.----) 
0628 07:27:34.239194 139680481797888 ../../src/mcts/search.cc:416] c4d4  (720 ) N:   48573 (+ 0) (P: 20.29%) (WL:  0.05587) (D: 0.412) (M: 92.5) (Q:  0.05587) (U: 0.72093) (S:  0.77681) (V:  -.----) 
0628 07:27:34.239198 139680481797888 ../../src/mcts/search.cc:416] c4b4  (719 ) N: 49866654 (+190) (P:  4.66%) (WL:  0.77665) (D: 0.116) (M: 58.6) (Q:  0.77665) (U: 0.00016) (S:  0.77681) (V:  -.----) 
0628 07:27:34.239205 139680481797888 ../../src/mcts/search.cc:416] node  (  53) N: 50000033 (+190) (P: 100.0%) (WL:  0.77336) (D: 0.117) (M: 59.7) (Q:  0.77336) (V:  -.----) 

fastgm
Posts: 600
Joined: Mon Aug 19, 2013 4:57 pm
Contact:

Re: Test position: Lc0 vs Stockfish, TCEC 18, game 65

Post by fastgm » Sun Jun 28, 2020 2:06 pm


Brainfish 260620 64 POPCNT:

Code: Select all

 25/39	00:04	 64.982.584	14.038.147	+0,99	20. ... Nxb4 21.Qxd4 Nd5 22.Nfg5 Bb5 23.Qxa7 Bc6 24.Rd3 Ra8 25.Qd4 Nf4 26.Nf6+ Bxf6 27.Qxf4 Bxg5 28.Qxg5 Qxg5 29.Bxg5 Rec8 30.Rc3 Ra4 31.Be7 Ra5 32.f3 Rd5 33.Kf2 h6 34.Bf6 Ra8
...
 30/46	00:13	 208.219.940	14.920.812	+0,51	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxe8 Bxe8 24.Qxb6 axb6 25.Rd3 Ra8 26.Rc1 Bb5 27.Rb3 Bc6 28.Nd4 Ba4 29.Rh3 Bc5 30.Nc2 Bc6 31.Rd3 Bb5 32.Rh3 Ba4 33.Rd3 Bc6 34.Ne3 Nxe3 35.Bxe3 Rxa3 36.Rd8+ Kg7 37.Bxc5 bxc5 38.Rxc5 Ra1+ 39.Kh2 Ra2 40.Kg1 h5 41.Rc3 Ra1+ 42.Kh2 Ra2
...
 37/57	01:28	1.344.088.934	15.153.884	 0,00	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxc8 Rxc8 24.Qg4 Bc6 25.Nd2 Qa5 26.Ne4 Qxa3 27.Ra1 Qb2 28.Nd6 Ra8 29.Rab1 Qc3 30.Nxb7 Bxb7 31.Rec1 Qxe5 32.Rxb7 Bf6 33.Qa4 Qh5 34.Qxa7 Rd8 35.Rb8 Qxh6 36.Rxd8+ Bxd8 37.Rc8 Kg7 38.Rxd8 Qc1+ 39.Kh2 Qh6+
...
 54/78	21:19	19.748.650.972	15.435.386	 0,00	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxc8 Rxc8 24.Qg4 Bc6 25.Ng5 Qb3 26.Rd4 Bxa3 27.Ne4 Be7 28.Bg5 Bxg5 29.Qxg5 Kg7 30.Nf6 h6 31.Nh5+ Kh7 32.Nf6+
 
 55/62-	24:41	22.883.401.228	15.443.861	-0,09	20. ... Nxb4 21.Qxb4
 
 55/75-	26:24	24.570.211.091	15.508.618	-0,19	20. ... Nxb4 21.Qxb4
 55/75-	27:56	25.987.089.266	15.502.879	-0,33	20. ... Nxb4 21.Qxb4
 55/106+	28:53	26.953.576.183	15.545.156	-0,21	20. ... Nxb4
 55/106	30:15	28.370.178.373	15.623.454	-0,22	20. ... Nxb4 21.Qxb4 Bxb4 22.axb4 f5 23.Nf6+ Kh8 24.Rxd4 Re7 25.Red1 Rc7 26.Nh4 Qc8 27.R1d3 Rf7 28.Nxg6+ hxg6 29.Rh4 Bb5 30.Rdh3 Qg8 31.Nxg8 Kxg8 32.Rg3 Rh7 33.Rxg6+ Kf7 34.Rf6+ Ke7 35.Bf8+ Ke8 36.Rxh7 Rxh7 37.Bc5 Kd7 38.Bxa7 Bc6 39.f3 Bd5 40.Kf2 Kc6 41.Bc5 b6 42.Bd6 Rg7 43.Rf8 Kb5 44.Rb8 Kc6 45.Rd8 Ra7 46.Rg8 Ra2+ 47.Kg3 Rb2 48.Kf4 Rf2 49.Rg6 Bc4 50.Rg7 Bf1 51.Rc7+ Kb5 52.Re7 Bc4 53.Rg7 Bf1 54.Rg6 Bc4 55.Rg8 Bf1 56.Rb8 Bxg2 57.Kg3 Rb2 58.Bc5
 56/66-	32:12	30.225.832.228	15.637.321	-0,32	20. ... Nxb4 21.Qxb4
 56/79-	34:43	32.687.263.106	15.690.852	-0,42	20. ... Nxb4 21.Qxb4
 56/79-	54:16	51.356.426.475	15.770.838	-1,04	20. ... Nxb4 21.Qxb4
 56/93	1:15:47	71.904.708.133	15.810.846	-1,15	20. ... Nxb4 21.Qxb4 Bxb4 22.axb4 f5 23.Nf6+ Kh8 24.Rxd4 Re7 25.Red1 Rc7 26.R1d3 Qc8 27.Kh2 b6 28.Nh4 Rf7 29.Nxg6+ hxg6 30.Rh3 Qg8 31.Rdh4 Bb5 32.Bg7+ Kxg7 33.Nxg8 Kf8 34.Rh8 Rg7 35.Nf6+ Ke7 36.f4 a5 37.Rb8 Bc6 38.Rxb6 axb4 39.Rh8 Kf7 40.Rxb4 g5 41.Nh5 gxf4 42.Nxg7 Kxg7 43.Rbb8 Kg6 44.Rbg8+ Rg7 45.Rxg7+ Kxg7 46.Rh4 f3 47.gxf3 Bxf3 48.Kg3 Bd5 49.Kf4 Kg6 50.Rh8 Kg7 51.Rd8 Kg6 52.Rd6 Bc4 53.Rd7 Bb3 54.Rb7 Bd5 55.Rb6 Kh6 56.Rd6 Kg6 57.Rd8 Bb7 58.Rd3 Bd5 59.Rg3+ Kh5 60.Ke3 Kh6 61.Kf4
...
 62/96	5:09:38	299.594.449.871	16.126.168	-1,58	20. ... a5 21.b5 Nb4 22.Qxd4 Nc2 23.Qxd7 Nxe1 24.Nxe1 Rc7 25.Qd4 Qxd4 26.Rxd4 Rd8 27.Rxd8+ Bxd8 28.Bd2 b6 29.Bc3 Bg5 30.Kf1 Rc4 31.f3 Bc1 32.Ke2 Bxa3 33.Nc2 Be7 34.Kd3 Rc8 35.Nd4 a4 36.Nc6 Kf8 37.Kc2 Ke8 38.Bd4 Kd7 39.Bxb6 Rxc6+ 40.bxc6+ Kxc6 41.Bd4 a3 42.Kd3 h5 43.Kc4 Bd8 44.Bc3 Be7 45.Ng3 Bc5 46.Ba1 Bb6 47.Ne4 Bd8 48.Bd4 Be7 49.Nc3 Bg5 50.Na2 Be7 51.f4 h4 52.Be3 f6 53.exf6 Bxf6 54.Bc5 Kd7 55.Bxa3 e5 56.fxe5 Bxe5

zullil
Posts: 6442
Joined: Mon Jan 08, 2007 11:31 pm
Location: PA USA
Full name: Louis Zulli

Re: Test position: Lc0 vs Stockfish, TCEC 18, game 65

Post by zullil » Sun Jun 28, 2020 2:21 pm

fastgm wrote:
Sun Jun 28, 2020 2:06 pm

Brainfish 260620 64 POPCNT:

Code: Select all

 25/39	00:04	 64.982.584	14.038.147	+0,99	20. ... Nxb4 21.Qxd4 Nd5 22.Nfg5 Bb5 23.Qxa7 Bc6 24.Rd3 Ra8 25.Qd4 Nf4 26.Nf6+ Bxf6 27.Qxf4 Bxg5 28.Qxg5 Qxg5 29.Bxg5 Rec8 30.Rc3 Ra4 31.Be7 Ra5 32.f3 Rd5 33.Kf2 h6 34.Bf6 Ra8
...
 30/46	00:13	 208.219.940	14.920.812	+0,51	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxe8 Bxe8 24.Qxb6 axb6 25.Rd3 Ra8 26.Rc1 Bb5 27.Rb3 Bc6 28.Nd4 Ba4 29.Rh3 Bc5 30.Nc2 Bc6 31.Rd3 Bb5 32.Rh3 Ba4 33.Rd3 Bc6 34.Ne3 Nxe3 35.Bxe3 Rxa3 36.Rd8+ Kg7 37.Bxc5 bxc5 38.Rxc5 Ra1+ 39.Kh2 Ra2 40.Kg1 h5 41.Rc3 Ra1+ 42.Kh2 Ra2
...
 37/57	01:28	1.344.088.934	15.153.884	 0,00	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxc8 Rxc8 24.Qg4 Bc6 25.Nd2 Qa5 26.Ne4 Qxa3 27.Ra1 Qb2 28.Nd6 Ra8 29.Rab1 Qc3 30.Nxb7 Bxb7 31.Rec1 Qxe5 32.Rxb7 Bf6 33.Qa4 Qh5 34.Qxa7 Rd8 35.Rb8 Qxh6 36.Rxd8+ Bxd8 37.Rc8 Kg7 38.Rxd8 Qc1+ 39.Kh2 Qh6+
...
 54/78	21:19	19.748.650.972	15.435.386	 0,00	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxc8 Rxc8 24.Qg4 Bc6 25.Ng5 Qb3 26.Rd4 Bxa3 27.Ne4 Be7 28.Bg5 Bxg5 29.Qxg5 Kg7 30.Nf6 h6 31.Nh5+ Kh7 32.Nf6+
 
 55/62-	24:41	22.883.401.228	15.443.861	-0,09	20. ... Nxb4 21.Qxb4
 
 55/75-	26:24	24.570.211.091	15.508.618	-0,19	20. ... Nxb4 21.Qxb4
 55/75-	27:56	25.987.089.266	15.502.879	-0,33	20. ... Nxb4 21.Qxb4
 55/106+	28:53	26.953.576.183	15.545.156	-0,21	20. ... Nxb4
 55/106	30:15	28.370.178.373	15.623.454	-0,22	20. ... Nxb4 21.Qxb4 Bxb4 22.axb4 f5 23.Nf6+ Kh8 24.Rxd4 Re7 25.Red1 Rc7 26.Nh4 Qc8 27.R1d3 Rf7 28.Nxg6+ hxg6 29.Rh4 Bb5 30.Rdh3 Qg8 31.Nxg8 Kxg8 32.Rg3 Rh7 33.Rxg6+ Kf7 34.Rf6+ Ke7 35.Bf8+ Ke8 36.Rxh7 Rxh7 37.Bc5 Kd7 38.Bxa7 Bc6 39.f3 Bd5 40.Kf2 Kc6 41.Bc5 b6 42.Bd6 Rg7 43.Rf8 Kb5 44.Rb8 Kc6 45.Rd8 Ra7 46.Rg8 Ra2+ 47.Kg3 Rb2 48.Kf4 Rf2 49.Rg6 Bc4 50.Rg7 Bf1 51.Rc7+ Kb5 52.Re7 Bc4 53.Rg7 Bf1 54.Rg6 Bc4 55.Rg8 Bf1 56.Rb8 Bxg2 57.Kg3 Rb2 58.Bc5
 56/66-	32:12	30.225.832.228	15.637.321	-0,32	20. ... Nxb4 21.Qxb4
 56/79-	34:43	32.687.263.106	15.690.852	-0,42	20. ... Nxb4 21.Qxb4
 56/79-	54:16	51.356.426.475	15.770.838	-1,04	20. ... Nxb4 21.Qxb4
 56/93	1:15:47	71.904.708.133	15.810.846	-1,15	20. ... Nxb4 21.Qxb4 Bxb4 22.axb4 f5 23.Nf6+ Kh8 24.Rxd4 Re7 25.Red1 Rc7 26.R1d3 Qc8 27.Kh2 b6 28.Nh4 Rf7 29.Nxg6+ hxg6 30.Rh3 Qg8 31.Rdh4 Bb5 32.Bg7+ Kxg7 33.Nxg8 Kf8 34.Rh8 Rg7 35.Nf6+ Ke7 36.f4 a5 37.Rb8 Bc6 38.Rxb6 axb4 39.Rh8 Kf7 40.Rxb4 g5 41.Nh5 gxf4 42.Nxg7 Kxg7 43.Rbb8 Kg6 44.Rbg8+ Rg7 45.Rxg7+ Kxg7 46.Rh4 f3 47.gxf3 Bxf3 48.Kg3 Bd5 49.Kf4 Kg6 50.Rh8 Kg7 51.Rd8 Kg6 52.Rd6 Bc4 53.Rd7 Bb3 54.Rb7 Bd5 55.Rb6 Kh6 56.Rd6 Kg6 57.Rd8 Bb7 58.Rd3 Bd5 59.Rg3+ Kh5 60.Ke3 Kh6 61.Kf4
...
 62/96	5:09:38	299.594.449.871	16.126.168	-1,58	20. ... a5 21.b5 Nb4 22.Qxd4 Nc2 23.Qxd7 Nxe1 24.Nxe1 Rc7 25.Qd4 Qxd4 26.Rxd4 Rd8 27.Rxd8+ Bxd8 28.Bd2 b6 29.Bc3 Bg5 30.Kf1 Rc4 31.f3 Bc1 32.Ke2 Bxa3 33.Nc2 Be7 34.Kd3 Rc8 35.Nd4 a4 36.Nc6 Kf8 37.Kc2 Ke8 38.Bd4 Kd7 39.Bxb6 Rxc6+ 40.bxc6+ Kxc6 41.Bd4 a3 42.Kd3 h5 43.Kc4 Bd8 44.Bc3 Be7 45.Ng3 Bc5 46.Ba1 Bb6 47.Ne4 Bd8 48.Bd4 Be7 49.Nc3 Bg5 50.Na2 Be7 51.f4 h4 52.Be3 f6 53.exf6 Bxf6 54.Bc5 Kd7 55.Bxa3 e5 56.fxe5 Bxe5
So Brainfish ultimately decides that Lc0's 20...Nxb4 is suboptimal? Interesting.

jdart
Posts: 4009
Joined: Fri Mar 10, 2006 4:23 am
Location: http://www.arasanchess.org

Re: Test position: Lc0 vs Stockfish, TCEC 18, game 65

Post by jdart » Sun Jun 28, 2020 2:28 pm

Several TCEC games have been featured on https://www.chesspublishing.com recently. Formerly they used to pretty much ignore computer games, but now the GMs writing their columns are paying attention.

--Jon

zullil
Posts: 6442
Joined: Mon Jan 08, 2007 11:31 pm
Location: PA USA
Full name: Louis Zulli

Re: Test position: Lc0 vs Stockfish, TCEC 18, game 65

Post by zullil » Sun Jun 28, 2020 5:08 pm

zullil wrote:
Sun Jun 28, 2020 2:21 pm
fastgm wrote:
Sun Jun 28, 2020 2:06 pm

Brainfish 260620 64 POPCNT:

Code: Select all

 25/39	00:04	 64.982.584	14.038.147	+0,99	20. ... Nxb4 21.Qxd4 Nd5 22.Nfg5 Bb5 23.Qxa7 Bc6 24.Rd3 Ra8 25.Qd4 Nf4 26.Nf6+ Bxf6 27.Qxf4 Bxg5 28.Qxg5 Qxg5 29.Bxg5 Rec8 30.Rc3 Ra4 31.Be7 Ra5 32.f3 Rd5 33.Kf2 h6 34.Bf6 Ra8
...
 30/46	00:13	 208.219.940	14.920.812	+0,51	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxe8 Bxe8 24.Qxb6 axb6 25.Rd3 Ra8 26.Rc1 Bb5 27.Rb3 Bc6 28.Nd4 Ba4 29.Rh3 Bc5 30.Nc2 Bc6 31.Rd3 Bb5 32.Rh3 Ba4 33.Rd3 Bc6 34.Ne3 Nxe3 35.Bxe3 Rxa3 36.Rd8+ Kg7 37.Bxc5 bxc5 38.Rxc5 Ra1+ 39.Kh2 Ra2 40.Kg1 h5 41.Rc3 Ra1+ 42.Kh2 Ra2
...
 37/57	01:28	1.344.088.934	15.153.884	 0,00	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxc8 Rxc8 24.Qg4 Bc6 25.Nd2 Qa5 26.Ne4 Qxa3 27.Ra1 Qb2 28.Nd6 Ra8 29.Rab1 Qc3 30.Nxb7 Bxb7 31.Rec1 Qxe5 32.Rxb7 Bf6 33.Qa4 Qh5 34.Qxa7 Rd8 35.Rb8 Qxh6 36.Rxd8+ Bxd8 37.Rc8 Kg7 38.Rxd8 Qc1+ 39.Kh2 Qh6+
...
 54/78	21:19	19.748.650.972	15.435.386	 0,00	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxc8 Rxc8 24.Qg4 Bc6 25.Ng5 Qb3 26.Rd4 Bxa3 27.Ne4 Be7 28.Bg5 Bxg5 29.Qxg5 Kg7 30.Nf6 h6 31.Nh5+ Kh7 32.Nf6+
 
 55/62-	24:41	22.883.401.228	15.443.861	-0,09	20. ... Nxb4 21.Qxb4
 
 55/75-	26:24	24.570.211.091	15.508.618	-0,19	20. ... Nxb4 21.Qxb4
 55/75-	27:56	25.987.089.266	15.502.879	-0,33	20. ... Nxb4 21.Qxb4
 55/106+	28:53	26.953.576.183	15.545.156	-0,21	20. ... Nxb4
 55/106	30:15	28.370.178.373	15.623.454	-0,22	20. ... Nxb4 21.Qxb4 Bxb4 22.axb4 f5 23.Nf6+ Kh8 24.Rxd4 Re7 25.Red1 Rc7 26.Nh4 Qc8 27.R1d3 Rf7 28.Nxg6+ hxg6 29.Rh4 Bb5 30.Rdh3 Qg8 31.Nxg8 Kxg8 32.Rg3 Rh7 33.Rxg6+ Kf7 34.Rf6+ Ke7 35.Bf8+ Ke8 36.Rxh7 Rxh7 37.Bc5 Kd7 38.Bxa7 Bc6 39.f3 Bd5 40.Kf2 Kc6 41.Bc5 b6 42.Bd6 Rg7 43.Rf8 Kb5 44.Rb8 Kc6 45.Rd8 Ra7 46.Rg8 Ra2+ 47.Kg3 Rb2 48.Kf4 Rf2 49.Rg6 Bc4 50.Rg7 Bf1 51.Rc7+ Kb5 52.Re7 Bc4 53.Rg7 Bf1 54.Rg6 Bc4 55.Rg8 Bf1 56.Rb8 Bxg2 57.Kg3 Rb2 58.Bc5
 56/66-	32:12	30.225.832.228	15.637.321	-0,32	20. ... Nxb4 21.Qxb4
 56/79-	34:43	32.687.263.106	15.690.852	-0,42	20. ... Nxb4 21.Qxb4
 56/79-	54:16	51.356.426.475	15.770.838	-1,04	20. ... Nxb4 21.Qxb4
 56/93	1:15:47	71.904.708.133	15.810.846	-1,15	20. ... Nxb4 21.Qxb4 Bxb4 22.axb4 f5 23.Nf6+ Kh8 24.Rxd4 Re7 25.Red1 Rc7 26.R1d3 Qc8 27.Kh2 b6 28.Nh4 Rf7 29.Nxg6+ hxg6 30.Rh3 Qg8 31.Rdh4 Bb5 32.Bg7+ Kxg7 33.Nxg8 Kf8 34.Rh8 Rg7 35.Nf6+ Ke7 36.f4 a5 37.Rb8 Bc6 38.Rxb6 axb4 39.Rh8 Kf7 40.Rxb4 g5 41.Nh5 gxf4 42.Nxg7 Kxg7 43.Rbb8 Kg6 44.Rbg8+ Rg7 45.Rxg7+ Kxg7 46.Rh4 f3 47.gxf3 Bxf3 48.Kg3 Bd5 49.Kf4 Kg6 50.Rh8 Kg7 51.Rd8 Kg6 52.Rd6 Bc4 53.Rd7 Bb3 54.Rb7 Bd5 55.Rb6 Kh6 56.Rd6 Kg6 57.Rd8 Bb7 58.Rd3 Bd5 59.Rg3+ Kh5 60.Ke3 Kh6 61.Kf4
...
 62/96	5:09:38	299.594.449.871	16.126.168	-1,58	20. ... a5 21.b5 Nb4 22.Qxd4 Nc2 23.Qxd7 Nxe1 24.Nxe1 Rc7 25.Qd4 Qxd4 26.Rxd4 Rd8 27.Rxd8+ Bxd8 28.Bd2 b6 29.Bc3 Bg5 30.Kf1 Rc4 31.f3 Bc1 32.Ke2 Bxa3 33.Nc2 Be7 34.Kd3 Rc8 35.Nd4 a4 36.Nc6 Kf8 37.Kc2 Ke8 38.Bd4 Kd7 39.Bxb6 Rxc6+ 40.bxc6+ Kxc6 41.Bd4 a3 42.Kd3 h5 43.Kc4 Bd8 44.Bc3 Be7 45.Ng3 Bc5 46.Ba1 Bb6 47.Ne4 Bd8 48.Bd4 Be7 49.Nc3 Bg5 50.Na2 Be7 51.f4 h4 52.Be3 f6 53.exf6 Bxf6 54.Bc5 Kd7 55.Bxa3 e5 56.fxe5 Bxe5
So Brainfish ultimately decides that Lc0's 20...Nxb4 is suboptimal? Interesting.
No, I'm confused. Stockfish's 20...Nxb4 was wrong, as Brainfish discovered and Lc0 demonstrated "over the board".

User avatar
MikeB
Posts: 4391
Joined: Thu Mar 09, 2006 5:34 am
Location: Pen Argyl, Pennsylvania

Re: Test position: Lc0 vs Stockfish, TCEC 18, game 65

Post by MikeB » Mon Jun 29, 2020 3:08 pm

fastgm wrote:
Sun Jun 28, 2020 2:06 pm

Brainfish 260620 64 POPCNT:

Code: Select all

 25/39	00:04	 64.982.584	14.038.147	+0,99	20. ... Nxb4 21.Qxd4 Nd5 22.Nfg5 Bb5 23.Qxa7 Bc6 24.Rd3 Ra8 25.Qd4 Nf4 26.Nf6+ Bxf6 27.Qxf4 Bxg5 28.Qxg5 Qxg5 29.Bxg5 Rec8 30.Rc3 Ra4 31.Be7 Ra5 32.f3 Rd5 33.Kf2 h6 34.Bf6 Ra8
...
 30/46	00:13	 208.219.940	14.920.812	+0,51	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxe8 Bxe8 24.Qxb6 axb6 25.Rd3 Ra8 26.Rc1 Bb5 27.Rb3 Bc6 28.Nd4 Ba4 29.Rh3 Bc5 30.Nc2 Bc6 31.Rd3 Bb5 32.Rh3 Ba4 33.Rd3 Bc6 34.Ne3 Nxe3 35.Bxe3 Rxa3 36.Rd8+ Kg7 37.Bxc5 bxc5 38.Rxc5 Ra1+ 39.Kh2 Ra2 40.Kg1 h5 41.Rc3 Ra1+ 42.Kh2 Ra2
...
 37/57	01:28	1.344.088.934	15.153.884	 0,00	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxc8 Rxc8 24.Qg4 Bc6 25.Nd2 Qa5 26.Ne4 Qxa3 27.Ra1 Qb2 28.Nd6 Ra8 29.Rab1 Qc3 30.Nxb7 Bxb7 31.Rec1 Qxe5 32.Rxb7 Bf6 33.Qa4 Qh5 34.Qxa7 Rd8 35.Rb8 Qxh6 36.Rxd8+ Bxd8 37.Rc8 Kg7 38.Rxd8 Qc1+ 39.Kh2 Qh6+
...
 54/78	21:19	19.748.650.972	15.435.386	 0,00	20. ... Nxb4 21.Qxd4 Nd5 22.Nd6 Qb6 23.Nxc8 Rxc8 24.Qg4 Bc6 25.Ng5 Qb3 26.Rd4 Bxa3 27.Ne4 Be7 28.Bg5 Bxg5 29.Qxg5 Kg7 30.Nf6 h6 31.Nh5+ Kh7 32.Nf6+
 
 55/62-	24:41	22.883.401.228	15.443.861	-0,09	20. ... Nxb4 21.Qxb4
 
 55/75-	26:24	24.570.211.091	15.508.618	-0,19	20. ... Nxb4 21.Qxb4
 55/75-	27:56	25.987.089.266	15.502.879	-0,33	20. ... Nxb4 21.Qxb4
 55/106+	28:53	26.953.576.183	15.545.156	-0,21	20. ... Nxb4
 55/106	30:15	28.370.178.373	15.623.454	-0,22	20. ... Nxb4 21.Qxb4 Bxb4 22.axb4 f5 23.Nf6+ Kh8 24.Rxd4 Re7 25.Red1 Rc7 26.Nh4 Qc8 27.R1d3 Rf7 28.Nxg6+ hxg6 29.Rh4 Bb5 30.Rdh3 Qg8 31.Nxg8 Kxg8 32.Rg3 Rh7 33.Rxg6+ Kf7 34.Rf6+ Ke7 35.Bf8+ Ke8 36.Rxh7 Rxh7 37.Bc5 Kd7 38.Bxa7 Bc6 39.f3 Bd5 40.Kf2 Kc6 41.Bc5 b6 42.Bd6 Rg7 43.Rf8 Kb5 44.Rb8 Kc6 45.Rd8 Ra7 46.Rg8 Ra2+ 47.Kg3 Rb2 48.Kf4 Rf2 49.Rg6 Bc4 50.Rg7 Bf1 51.Rc7+ Kb5 52.Re7 Bc4 53.Rg7 Bf1 54.Rg6 Bc4 55.Rg8 Bf1 56.Rb8 Bxg2 57.Kg3 Rb2 58.Bc5
 56/66-	32:12	30.225.832.228	15.637.321	-0,32	20. ... Nxb4 21.Qxb4
 56/79-	34:43	32.687.263.106	15.690.852	-0,42	20. ... Nxb4 21.Qxb4
 56/79-	54:16	51.356.426.475	15.770.838	-1,04	20. ... Nxb4 21.Qxb4
 56/93	1:15:47	71.904.708.133	15.810.846	-1,15	20. ... Nxb4 21.Qxb4 Bxb4 22.axb4 f5 23.Nf6+ Kh8 24.Rxd4 Re7 25.Red1 Rc7 26.R1d3 Qc8 27.Kh2 b6 28.Nh4 Rf7 29.Nxg6+ hxg6 30.Rh3 Qg8 31.Rdh4 Bb5 32.Bg7+ Kxg7 33.Nxg8 Kf8 34.Rh8 Rg7 35.Nf6+ Ke7 36.f4 a5 37.Rb8 Bc6 38.Rxb6 axb4 39.Rh8 Kf7 40.Rxb4 g5 41.Nh5 gxf4 42.Nxg7 Kxg7 43.Rbb8 Kg6 44.Rbg8+ Rg7 45.Rxg7+ Kxg7 46.Rh4 f3 47.gxf3 Bxf3 48.Kg3 Bd5 49.Kf4 Kg6 50.Rh8 Kg7 51.Rd8 Kg6 52.Rd6 Bc4 53.Rd7 Bb3 54.Rb7 Bd5 55.Rb6 Kh6 56.Rd6 Kg6 57.Rd8 Bb7 58.Rd3 Bd5 59.Rg3+ Kh5 60.Ke3 Kh6 61.Kf4
...
 62/96	5:09:38	299.594.449.871	16.126.168	-1,58	20. ... a5 21.b5 Nb4 22.Qxd4 Nc2 23.Qxd7 Nxe1 24.Nxe1 Rc7 25.Qd4 Qxd4 26.Rxd4 Rd8 27.Rxd8+ Bxd8 28.Bd2 b6 29.Bc3 Bg5 30.Kf1 Rc4 31.f3 Bc1 32.Ke2 Bxa3 33.Nc2 Be7 34.Kd3 Rc8 35.Nd4 a4 36.Nc6 Kf8 37.Kc2 Ke8 38.Bd4 Kd7 39.Bxb6 Rxc6+ 40.bxc6+ Kxc6 41.Bd4 a3 42.Kd3 h5 43.Kc4 Bd8 44.Bc3 Be7 45.Ng3 Bc5 46.Ba1 Bb6 47.Ne4 Bd8 48.Bd4 Be7 49.Nc3 Bg5 50.Na2 Be7 51.f4 h4 52.Be3 f6 53.exf6 Bxf6 54.Bc5 Kd7 55.Bxa3 e5 56.fxe5 Bxe5

fwiw

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    Honey XI-r3 by M. Byrne and scores of others...

p f 2rqr1k1/pp1bbp1p/2n1p1pB/4P3/1PQpN3/P4N2/5PP1/3RR1K1 b - - 2 20
s t 60
info string Hash Table: Windows Large Pages, 256 Mb
Confirmation: Threads set to 60
s h 65536
info string Hash Table: Default, 65536 Mb
Confirmation: Hash set to 65536 Mb

info 15 minutes
info depth 67 seldepth 13 multipv 1 score cp 0 wdl 65 872 63 nodes 69460023993 nps 77177547 hashfull 1000 tbhits 0 time 900003 pv c6b4 c4d4 b4d5 e4d6 e7d6 e5d6 f7f6 f3g5 b7b5 g5e4 g8f7 e4g5

info 20 minutes
info depth 67 seldepth 13 multipv 1 score cp 0 wdl 49 903 48 nodes 93167601388 nps 77639473 hashfull 1000 tbhits 0 time 1200003 pv c6b4 c4d4 b4d5 e4d6 e7d6 e5d6 f7f6 f3g5 b7b5 g5e4 g8f7 e4g5

info 25 minutes
info depth 67 seldepth 72 multipv 1 score cp -5 wdl 40 901 59 nodes 116965448686 nps 77976809 hashfull 1000 tbhits 0 time 1500003 pv c6b4 c4b4

info 30 minutes
info depth 67 seldepth 72 multipv 1 score cp -20 wdl 22 886 92 nodes 141188111733 nps 78437709 hashfull 1000 tbhits 0 time 1800003 pv c6b4 c4b4

info 35 minutes
info depth 67 seldepth 72 multipv 1 score cp -31 wdl 21 809 170 nodes 164770058372 nps 78461820 hashfull 1000 tbhits 0 time 2100003 pv c6b4 c4b4

info 40 minutes
info depth 67 seldepth 72 multipv 1 score cp -48 wdl 7 768 225 nodes 188500405427 nps 78541737 hashfull 1000 tbhits 0 time 2400003 pv c6b4 c4b4

info 45 minutes
info depth 67 seldepth 72 multipv 1 score cp -48 wdl 12 715 273 nodes 212493784692 nps 78701314 hashfull 1000 tbhits 0 time 2700003 pv c6b4 c4b4

info 50 minutes
info depth 67 seldepth 72 multipv 1 score cp -70 wdl 3 573 424 nodes 235917536109 nps 78639100 hashfull 1000 tbhits 0 time 3000003 pv c6b4 c4b4

info 55 minutes
info depth 67 seldepth 72 multipv 1 score cp -70 wdl 3 618 379 nodes 259163201138 nps 78534231 hashfull 1000 tbhits 0 time 3300003 pv c6b4 c4b4

info 60 minutes
info depth 67 seldepth 72 multipv 1 score cp -70 wdl 3 635 362 nodes 282856068907 nps 78571064 hashfull 1000 tbhits 0 time 3600003 pv c6b4 c4b4

info 65 minutes
info depth 67 seldepth 72 multipv 1 score cp -70 wdl 3 566 431 nodes 306893693128 nps 78690609 hashfull 1000 tbhits 0 time 3900004 pv c6b4 c4b4

info 70 minutes
info depth 67 seldepth 98 multipv 1 score cp -99 wdl 1 293 706 nodes 330949720028 nps 78797477 hashfull 1000 tbhits 0 time 4200004 pv c6b4 c4b4

info 140 minutes
info depth 67 seldepth 98 multipv 1 score cp -99 wdl 2 294 704 nodes 666019288090 nps 79287944 hashfull 1000 tbhits 0 time 8400007 pv c6b4 c4b4
info depth 68 seldepth 128 multipv 1 score cp -85 wdl 5 437 558 nodes 677213863827 nps 79302176 hashfull 1000 tbhits 0 time 8539663 pv a7a5 b4b5 c6b4 c4d4 b4c2 d4d7 c2e1 f3e1 c8c7 d7d8 e8d8 d1d8 e7d8 h6d2 d8e7 d2a5 c7c1 e4d6 f7f6 f2f4 g6g5 g1f2 g5f4 e1d3 c1d1 d3c5 f6e5 d6b7 d1a1 a5d8 e7d8 b7d8 a1a2 f2g1 e5e4 d8c6 a2a3 b5b6 a3a1 g1h2 a1b1 b6b7 f4f3 g2f3 e4f3 b7b8q b1b8 c6b8 e6e5 c5e4 h7h5 b8d7 h5h4 d7f6 g8f7 f6g4 f7e6 g4e3 e6e7 h2g1 h4h3 e3f1 e7e6 g1f2 e6d5 f2f3 d5d4 f1h2 d4d5 f3e3 d5e6 h2g4 h3h2 g4h2 e6d5 e3f3 d5e6 h2g4 e6d5 g4f6 d5e6 f3g2 e6e7 f6d5 e7e6 d5b4 e6f5 g2f3 f5e6

info 145 minutes
info depth 68 seldepth 128 multipv 1 score cp -85 wdl 2 416 582 nodes 690010509712 nps 79311489 hashfull 1000 tbhits 0 time 8700007 pv a7a5 b4b5 c6b4 c4d4 b4c2 d4d7 c2e1 f3e1 c8c7 d7d8 e8d8 d1d8 e7d8 h6d2 d8e7 d2a5 c7c1 e4d6 f7f6 f2f4 g6g5 g1f2 g5f4 e1d3 c1d1 d3c5 f6e5 d6b7 d1a1 a5d8 e7d8 b7d8 a1a2 f2g1 e5e4 d8c6 a2a3 b5b6 a3a1 g1h2 a1b1 b6b7 f4f3 g2f3 e4f3 b7b8q b1b8 c6b8 e6e5 c5e4 h7h5 b8d7 h5h4 d7f6 g8f7 f6g4 f7e6 g4e3 e6e7 h2g1 h4h3 e3f1 e7e6 g1f2 e6d5 f2f3 d5d4 f1h2 d4d5 f3e3 d5e6 h2g4 h3h2 g4h2 e6d5 e3f3 d5e6 h2g4 e6d5 g4f6 d5e6 f3g2 e6e7 f6d5 e7e6 d5b4 e6f5 g2f3 f5e6



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