Matthies / RubiChess

Another chess engine
GNU General Public License v3.0
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Several missed moves in endgames at low time #464

Open Matthies opened 4 months ago

Matthies commented 4 months ago

Two games showing Rubi switching to losing move in time trouble (interrupted search with many threads). Maybe some bad thread voting or incorrect bestmove setting. https://www.chess.com/computer-chess-championship#event=ccc22-bullet-main&game=59 https://cccfiles.chess.com/archive/cutechess.debug-382776-382835.zip

322579 >Rubi(1): position startpos moves g1f3 d7d5 g2g3 c8g4 f1g2 g8f6 c2c4 e7e6 e1g1 b8d7 c4d5 e6d5 h2h3 g4f5 b1c3 c7c6 d2d3 f8e7 e2e4 d5e4 d3e4 f6e4 f3d4 e4c3 b2c3 f5g6 f2f4 h7h6 f4f5 g6h7 a1b1 e8g8 b1b7 d7e5 c1f4 e7f6 d1a4 g8h8 f4e5 f6e5 d4c6 d8f6 c6e5 f6e5 a4f4 e5c5 f4d4 a8c8 g3g4 c5c3 d4c3 c8c3 b7a7 h6h5 a2a4 h5g4 h3g4 c3g3 f1f4 g7g6 g1f2 g3a3 g2f1 g6f5 g4f5 h8g7 a7a6 f8d8 f4g4 g7h8 a6a5 d8g8 g4h4 h8g7 f5f6 g7g6 a5d5 a3a2 f2f3 g6f6 h4h7 a2a4 h7h5 a4a3 f1d3 f6e7 d5e5 e7f6 h5f5 f6g7 f3e2 g7f8 d3c4 a3a7 e2f3 g8g6 e5e4 g6g1 e4d4 g1h1 f3e3 h1h3 e3d2 h3g3 d4f4 a7d7 d2e2 g3g2 e2f3 g2g1 f3f2 g1d1 f4f3 d1d2 f2g3 f8g7 c4b5 d7e7 f5f4 d2d1 f4g4 g7f8 g4a4 f8g7 a4h4 e7b7 b5d3 d1d2 h4f4 g7f8 d3g6 b7d7 g6e4 d2d4 f4h4 d7d6 h4h8 f8g7 h8h7 g7g8 e4c2 d4d2 c2f5 d6f6 h7h1 d2d6 g3f4 f6h6 h1c1 d6c6 c1d1 c6d6 d1f1 g8f8 f4g5 d6f6 f1c1 f6c6 c1f1 c6f6 f3c3 h6g6 g5f4 f6c6 c3f3 g6f6 f1a1 c6a6 a1b1
323456 >Rubi(1): isready
323479 <Rubi(1): readyok
323479 >Rubi(1): go wtime 3764 btime 2093 winc 1000 binc 1000
323491 <Rubi(1): info depth 1 seldepth 2 multipv 1 time 0 score cp -9 nodes 22 nps 121724 tbhits 0 hashfull 1 pv a6d6 
323491 <Rubi(1): info depth 2 seldepth 4 multipv 1 time 0 score cp 0 nodes 62 nps 257099 tbhits 0 hashfull 1 pv f6h6 f4e5 a6b6 
323491 <Rubi(1): info depth 4 seldepth 6 multipv 1 time 0 score cp 0 nodes 319 nps 909557 tbhits 2 hashfull 1 pv f6b6 b1b6 a6b6 
323494 <Rubi(1): info depth 9 seldepth 9 multipv 1 time 0 score cp 0 nodes 892 nps 1966351 tbhits 24 hashfull 1 pv f6b6 b1b6 a6b6 
323494 <Rubi(1): info depth 12 seldepth 12 multipv 1 time 0 score cp 0 nodes 1605 nps 2897195 tbhits 37 hashfull 1 pv f6b6 b1b6 a6b6 
323494 <Rubi(1): info depth 13 seldepth 13 multipv 1 time 0 score cp 0 nodes 2560 nps 3912363 tbhits 51 hashfull 1 pv f6b6 b1b6 a6b6 
323494 <Rubi(1): info depth 14 seldepth 14 multipv 1 time 0 score cp 0 nodes 3185 nps 4446535 tbhits 60 hashfull 1 pv f6b6 b1b6 a6b6 
323494 <Rubi(1): info depth 16 seldepth 16 multipv 1 time 0 score cp 0 nodes 4973 nps 5868816 tbhits 87 hashfull 1 pv f6b6 b1b6 a6b6 
323494 <Rubi(1): info depth 17 seldepth 17 multipv 1 time 1 score cp 0 nodes 7799 nps 7627652 tbhits 138 hashfull 1 pv f6b6 b1b6 a6b6 
323494 <Rubi(1): info depth 18 seldepth 18 multipv 1 time 1 score cp 0 nodes 10565 nps 9070226 tbhits 186 hashfull 1 pv f6b6 b1b6 a6b6 
323494 <Rubi(1): info depth 19 seldepth 19 multipv 1 time 1 score cp 0 nodes 17760 nps 11798469 tbhits 301 hashfull 1 pv f6b6 b1b6 a6b6 
323495 <Rubi(1): info depth 20 seldepth 20 multipv 1 time 1 score cp 0 nodes 23521 nps 13668388 tbhits 418 hashfull 1 pv f6b6 b1b6 a6b6 
323496 <Rubi(1): info depth 21 seldepth 21 multipv 1 time 5 score cp 0 nodes 268158 nps 45918472 tbhits 7774 hashfull 1 pv f6c6 f3b3 c6h6 b3b8 f8g7 b8b3 g7f8 
323503 <Rubi(1): info depth 22 seldepth 22 multipv 1 time 5 score cp 0 nodes 281117 nps 46935941 tbhits 8206 hashfull 1 pv f6b6 b1b6 a6b6 
323503 <Rubi(1): info depth 23 seldepth 23 multipv 1 time 6 score cp 0 nodes 308422 nps 49110281 tbhits 9048 hashfull 1 pv a6b6 b1b6 f6b6 
323503 <Rubi(1): info depth 24 seldepth 24 multipv 1 time 6 score cp 0 nodes 325819 nps 50341368 tbhits 9603 hashfull 1 pv a6b6 b1b6 f6b6 
323503 <Rubi(1): info depth 25 seldepth 25 multipv 1 time 7 score cp 0 nodes 386656 nps 54807134 tbhits 11550 hashfull 1 pv a6b6 b1b6 f6b6 
323503 <Rubi(1): info depth 27 seldepth 27 multipv 1 time 8 score cp 0 nodes 557499 nps 65475961 tbhits 17072 hashfull 1 pv f6b6 b1b6 a6b6 
323505 <Rubi(1): info depth 28 seldepth 28 multipv 1 time 14 score cp 0 nodes 1179537 nps 78912900 tbhits 41164 hashfull 1 pv f6b6 b1b6 a6b6 
323506 <Rubi(1): info depth 29 seldepth 29 multipv 1 time 15 score cp 0 nodes 1201188 nps 78408820 tbhits 41982 hashfull 1 pv f6b6 b1b6 a6b6 
323518 <Rubi(1): info depth 30 seldepth 30 multipv 1 time 27 score cp 0 nodes 2335168 nps 85958555 tbhits 92474 hashfull 1 pv f6b6 b1b6 a6b6 
323521 <Rubi(1): info depth 32 seldepth 32 multipv 1 time 28 score cp 0 nodes 2449285 nps 85488397 tbhits 98035 hashfull 1 pv f6b6 b1b6 a6b6 
324820 <Rubi(1): info depth 33 seldepth 34 multipv 1 time 1329 score cp 0 nodes 264153770 nps 198753807 tbhits 18812119 hashfull 91 pv a6e6 b1b8 e6e8 b8b3 f8g7 f3g3 g7f8 f4g5 f8g7 g3h3 e8e7 b3b7 e7b7 h3h7 g7f8 g5f6 
324820 <Rubi(1): info depth 34 seldepth 34 multipv 1 time 1329 score cp 0 nodes 264173659 nps 198747793 tbhits 18813831 hashfull 91 pv a6e6 b1b8 e6e8 b8b3 f8g7 f3g3 g7f8 f4g5 f8g7 g3h3 e8e7 b3b7 e7b7 h3h7 g7f8 g5f6 
324820 <Rubi(1): bestmove a6e6 ponder b1b8

https://tcec-chess.com/#div=p&game=186&season=26 https://tinyurl.com/2dojkyxb

1371452884 >RubiChess 20240420(371): position startpos moves d2d4 g8f6 c2c4 d7d6 b1c3 b8d7 e2e4 e7e5 g1f3 f8e7 f1e2 e8g8 e1g1 f8e8 c1e3 e7f8 d4d5 f6g4 e3g5 f8e7 g5d2 a7a5 h2h3 g4f6 d2e3 b7b6 e2d3 d7f8 g1h2 f8g6 g2g3 c8d7 d1e2 h7h6 b2b3 f6h7 a1e1 h6h5 f1h1 e8f8 e1g1 h5h4 e2d2 d8c8 g3g4 c8e8 g1g2 f7f6 f3e1 h7g5 f2f3 g6h8 g2f2 g5f7 f2f1 g7g5 e1g2 h8g6 f1b1 e8c8 e3f2 g6f4 g2f4 e5f4 h2g2 f7e5 c3e2 c8b7 e2d4 a8a7 d3e2 f8a8 d2b2 g8f8 b1a1 b7c8 a1c1 c8e8 b2c2 e8c8 h1e1 c8b7 c2b2 b7c8 b2b1 f8g7 e1h1 g7f8 h1d1 a8b8 b1a1 a7a8 a1b2 d7e8 d1h1 e8d7 h1e1 f8g7 c1b1 g7h6 b2c2 a8a7 b1a1 c8e8 e1b1 e8h8 e2f1 h6h7 c2e2 a7a8 e2e1 h7g7 f1e2 b8c8 e1d1 g7g8 b1c1 g8h7 d1g1 a8a7 a1b1 c8e8 f2e1 e8a8 e1c3 e7f8 c1e1 h7g7 a2a3 g7h6 e2f1 f8g7 e1d1 h8c8 g1f2 g7f8 d1c1 h6h7 f2e1 c8b7 c3a1 b7b8 e1d2 h7g7 g2h1 b8e8 d2c2 f8e7 f1e2 g7f8 h1g2 e8d8 e2f1 d8c8 f1e2 c8d8 c2b2 d8c8 b2c3 c8e8 c1d1 e8g6 d1h1 g6f7 c3c2 f7e8 c2b2 f8g8 b2c2 g8f8 h1d1 a7b7 d1f1 e8b8 c2a2 f8g7 b1c1 b8c8 c1b1 g7f8 f1c1 c8d8 c1g1 b7a7 b1c1 f8f7 a2b1 f7f8 e2f1 d8c8 g1h1 f8g8 f1e2 c8e8 h1e1 g8h7 e2f1 h7h8 b1a2 h8g8 f1e2 g8h7 a2d2 e7f8 d2c2 a7b7 c2a2 e8e7 a2c2 e7e8 e1d1 e8g6 c2b2 g6g8 a3a4 a8e8 d1h1 g8h8 e2f1 e8e7 b2f2 b7b8 a1b2 h7h6 f2e1 b8a8 c1a1 e7e8 e1b1 h6h7 b1c2 f8e7 b2c3 e8b8 f1e2 h7g7 h1e1 h8c8 e1b1 g7f8 a1a3 b8b7 a3a2 b7a7 b1h1 a7b7 a2a1 b7b8 c2a2 a8a6 e2f1 a6a7 a2f2 a7a8 f2g1 c8e8 a1e1 e8f7 e1c1 f7g8 f1e2 g8h7 c3e1 f8g7 e2f1 b8h8 e1c3 h8e8 c1a1 a8b8 g1f2 b8c8 f2c2 e8g8 c2b2 c8a8 b2f2 g8c8 f1e2 c8e8 a1a2 g7f8 h1b1 h7f7 a2a1 e8b8 f2f1 f7h7 b3b4 a5b4 b1b4 h7g8 e2d1 f8f7 b4b2 g8c8 d1c2 f7g7 f1e2 g7h7 c2b3 a8a6 e2c2 b8a8 b2a2 h7g7 c3e1 g7f8 a1b1 a6a7 e1c3 f8f7 a2a3 f7f8 c2a2 a7b7 b1a1 f8g7 a1c1 g7g6 b3c2 a8a6 c1d1 g6g7 c2b3 g7f8 a2b2 b7a7 b2c2 a7a8 d1a1 a6a7 a3a2 a7a6 c2e2 c8b8 e2f1 b8c8 f1d1 c8b7 a1b1 b7c8 c3e1 a6a7 d1c2 a8b8 c2d2 b8a8 d2c2 e7d8 b1b2 a7a6 c2d1 d8e7 a2a3 f8g7 e1f2 e7d8 b2a2 a6a5 f2e1 a5a6 d1e2 d8e7 e1c3 g7f8 a2a1 a6a7 e2a2 c7c5 d5c6 d7c6 a2b2 c6e8 d4b5 a7d7 c4c5 e5d3 b2e2 d6c5 b3c4 c8d8 c4d5 c5c4 a3a2
1371452884 >RubiChess 20240420(371): go wtime 9021 btime 43402 winc 6000 binc 6000
1371453011 <RubiChess 20240420(371): info depth 24 seldepth 1 multipv 1 time 0 score cp -49 nodes 0 nps 64785262 tbhits 0 hashfull 0 pv d8c8 
1371453185 <RubiChess 20240420(371): info depth 25 seldepth 37 multipv 1 time 179 score cp -55 nodes 11836447 nps 65866798 tbhits 26 hashfull 2 pv a8c8 d5e6 e8f7 e6d7 d8d7 a1b1 c8a8 a4a5 b6a5 a2a5 a8a5 c3a5 e7c5 a5c3 f8g7 e2a2 d3e5 a2c2 c5e3 c3e5 f6e5 b5c3 d7d3 c2d3 c4d3 c3d5 
1371453864 <RubiChess 20240420(371): info depth 26 seldepth 42 multipv 1 time 857 score cp -61 upperbound nodes 55713049 nps 64952354 tbhits 297 hashfull 6 pv a8c8 d5e6 
1371454138 <RubiChess 20240420(371): info depth 26 seldepth 42 multipv 1 time 1132 score cp -67 upperbound nodes 72386618 nps 63935003 tbhits 421 hashfull 7 pv a8c8 d5e6 
1371456166 <RubiChess 20240420(371): info depth 26 seldepth 55 multipv 1 time 3160 score cp -68 nodes 196757786 nps 62254974 tbhits 728 hashfull 17 pv a8c8 d5e6 e8f7 e6d7 d8d7 a1b1 c8a8 a4a5 b6a5 a2a5 a8a5 c3a5 e7c5 a5c3 f8g7 e2a2 d3e5 a2c2 c5e3 c3e5 f6e5 b5c3 d7d3 c2d3 c4d3 g2f1 d3d2 b1b4 e3c5 b4b7 c5d4 c3d1 g7f8 f1e2 
1371456166 <RubiChess 20240420(371): info depth 27 currmove a8c8 currmovenumber 1
1371457397 <RubiChess 20240420(371): info depth 27 seldepth 55 multipv 1 time 4391 score cp -63 lowerbound nodes 273322068 nps 62241632 tbhits 1127 hashfull 24 pv a8c8 
1371457397 <RubiChess 20240420(371): info depth 27 currmove a8c8 currmovenumber 1
1371457407 <RubiChess 20240420(371): info depth 27 currmove a8c8 currmovenumber 1
1371457607 <RubiChess 20240420(371): info depth 27 seldepth 53 multipv 1 time 4601 score cp -50 lowerbound nodes 286616547 nps 62289440 tbhits 1313 hashfull 26 pv a8c8 
1371458631 <RubiChess 20240420(371): info depth 27 seldepth 51 multipv 1 time 5625 score cp -74 upperbound nodes 352141236 nps 62599855 tbhits 1777 hashfull 30 pv a8c8 d5e6 
1371458631 <RubiChess 20240420(371): info depth 27 currmove a8c8 currmovenumber 1
1371461178 <RubiChess 20240420(371): info depth 27 seldepth 55 multipv 1 time 8173 score cp -44 nodes 519478435 nps 63558758 tbhits 2786 hashfull 42 pv d8c8 d5a8 
1371461178 <RubiChess 20240420(371): bestmove d8c8 ponder d5a8