zullil wrote: ↑Fri Aug 07, 2020 10:34 pm
From
https://github.com/official-stockfish/S ... -670598949
Easy for Stockfish-nnue, but seems surprisingly hard for Stockfish (with classical evaluation)
[d]r1b1qr1k/2p3pp/4p3/1pb1PpN1/pn3N1P/8/PPP1QPP1/2KR3R w - - 0 1
[Edit for clarity] This position is difficult for Stockfish-dev even if Use NNUE is set to true. That's because the NNUE evaluation is not actually used because of the "NNUE evaluation threshold" patch.
Bluefish Nn on the lowly RPI 4 with 4 cores:
info depth 15 seldepth 23 multipv 1 score cp -38 nodes 742014 nps 781067 tbhits 0 time 950 pv d1d8 e8d8 e2h5 h7h6 h5g6 b4a2 c1b1 h6g5 h4g5 h8g8 f4h5 a2c3 b2c3 d8e7 h5f6 f8f6 e5f6
info depth 16 seldepth 25 multipv 1 score cp -33 nodes 814795 nps 801963 hashfull 2 tbhits 0 time 1016 pv d1d8 e8d8 e2h5 h7h6 h5g6 h6g5 h4g5 h8g8 f4h5 b4d3 c2d3 d8e7 h5f6 f8f6 e5f6 e7f7 g6h7 g8f8 h7h8 f7g8
info depth 17 seldepth 29 multipv 1 score cp 0 nodes 887176 nps 813176 hashfull 2 tbhits 0 time 1091 pv d1d8 c5e3 c1b1 e8d8 e2h5 h7h6 h5g6 d8g5 h4g5 e3f4 h1h6 g7h6 g6h6 h8g8 h6g6 g8h8 g6h6
info depth 18 seldepth 29 multipv 1 score cp 54 nodes 977285 nps 838151 hashfull 3 tbhits 0 time 1166 pv d1d8 e8d8 e2h5 h7h6 h5g6 h6g5 h4g5 h8g8 f4h5 d8d7 h5f6 f8f6 g5f6 c5e3 f2e3 b4a2 c1b1 g8f8 g6h7
info depth 19 seldepth 32 multipv 1 score cp 197 nodes 1302234 nps 903701 hashfull 3 tbhits 0 time 1441 pv d1d8 e8d8 e2h5 h7h6 h5g6 h6g5 h4g5 h8g8 f4h5 b4a2 c1b1 f8f7 h5f6 g8f8 h1h8 f8e7 h8d8 g7f6 e5f6 e7d8 g6f7 a2b4 g5g6 b4d5 g6g7
info depth 20 seldepth 36 multipv 1 score cp 242 nodes 1606699 nps 946230 hashfull 4 tbhits 0 time 1698 pv d1d8 e8d8 e2h5 h7h6 h5g6 h6g5 h4g5 h8g8 f4h5 f8f7 h5f6 g8f8 h1h8 f8e7 h8d8 g7f6 e5f6 e7d8 g6f7 b4a2 c1b1 a2b4 g5g6 c8d7 g6g7
info depth 21 seldepth 45 multipv 1 score cp 334 nodes 2706743 nps 996958 hashfull 4 tbhits 0 time 2715 pv d1d8 e8d8 e2h5 h7h6 h5g6 h6g5 h4g5 h8g8 f4h5 f8f7 h5f6 g8f8 h1h8 f8e7 h8d8 e7d8 g6f7 c7c6 a2a3 b4d5 g5g6 a8a7 f7g8 d8c7 g8g7 c7b6 f6d5 e6d5 g7h8 b5b4 a3b4
info depth 22 seldepth 42 multipv 1 score cp 279 nodes 3208920 nps 977733 hashfull 5 tbhits 0 time 3282 pv d1d8 e8d8 e2h5 h7h6 h5g6 h6g5 h4g5 h8g8 f4h5 f8f7 h5f6 g8f8 h1h8 f8e7 h8d8 e7d8 g6f7 c7c6 f7g8 d8c7 g8g7 c7b6 g7h8 c8b7 h8h4 a8d8 a2a3 b4a6 g5g6 b5b4 a3b4 c5d4 g6g7 d4e5 g7g8q
info depth 23 seldepth 44 multipv 1 score cp 302 nodes 3859816 nps 983893 hashfull 7 tbhits 0 time 3923 pv d1d8 e8d8 e2h5 h7h6 h5g6 h6g5 h4g5 h8g8 f4h5 f8f7 h5f6 g8f8 h1h8 f8e7 h8d8 e7d8 g6f7 c7c6 f7g8 d8c7 g8g7 c7b6 g7h8 c8b7 h8h4 a8d8 a2a3 d8d4 h4h8 b4c2 c1c2 b5b4
info depth 24 seldepth 53 multipv 1 score cp 305 nodes 5564607 nps 963735 hashfull 14 tbhits 0 time 5774 pv d1d8 e8d8 e2h5 h7h6 h5g6 h6g5 h4g5 h8g8 f4h5 f8f7 h5f6 g8f8 h1h8 f8e7 h8d8 e7d8 g6f7 c7c6 f7g8 d8c7 g8g7 c7b6 g7g8 c8b7 g8e6 c5f2 a2a3 b7c8 e6g8 b4a6 g5g6 a6c7 g8h8 c8e6 g6g7 e6c4 g7g8q c4g8 f6g8