Pawn promotion issues in T40 #784
Description
T40 tends to put too much Policy on capture+promote (axb1=Q) and not enough Policy on simple push to promote (a1=Q, ignoring the possibility of capturing). Usually this is correct, but in some cases not capturing is correct. Other net series do not have this problem.
Here is an example position and Policy of the wrong move for several T40 nets. It quickly moves to near 100% even before the first LR drop.
https://lichess.org/7I0bVIJO#95
e2e4 e7e5 d2d4 e5d4 c2c3 d4c3 b1c3 f8c5 g1f3 d7d6 f1c4 g8f6 e1g1 e8g8 c1g5 b8d7 c3d5 h7h6 g5h4 g7g5 f3g5 f6d5 d1h5 h6g5 h4g5 d7f6 h5h4 d8d7 h2h3 f6h7 c4d5 c5d4 e4e5 d4e5 a1e1 f8e8 f2f4 e5d4 g1h1 c7c6 d5b3 e8e1 f1e1 d7f5 e1e8 h7f8 h4e1 f5g6 e1d2 g6b1 h1h2 b1b2 d2d3 d6d5 g5e7 b2f2 e8f8 g8g7 d3g3 f2g3 h2g3 d4f6 f8e8 f6e7 e8e7 a7a5 b3c2 d5d4 e7e8 b7b5 c2e4 c8b7 e8e7 a8b8 f4f5 b5b4 e7d7 a5a4 g3f4 b4b3 a2b3 a4a3 e4b1 c6c5 g2g4 c5c4 d7d4 c4b3 d4b4 a3a2 f5f6 g7f6 b4b6 f6g7 b6b3
looking for a2b1q (BAD MOVE!)
40100 (P: 43.05%) (Q: 0.77505)
40200 (P: 21.60%) (Q: 0.82475)
40220 (P: 38.10%) (Q: 0.57632)
40240 (P: 24.23%) (Q: 0.59827)
40260 (P: 46.59%) (Q: 0.70481)
40280 (P: 65.92%) (Q: 0.68271)
40300 (P: 77.25%) (Q: 0.63856)
40320 (P: 94.75%) (Q: 0.45576)
40340 (P: 97.63%) (Q: 0.45292)
40360 (P: 89.38%) (Q: -0.29414)
40380 (P: 93.77%) (Q: 0.39861)
40400 (P: 99.93%) (Q: 0.28442)
40500 (P: 100.00%) (Q: 0.75715)
40600 (P: 100.00%) (Q: 0.43234)
40700 (P: 99.95%) (Q: 0.27772)
40800 (P: 100.00%) (Q: 0.40856)
40900 (P: 100.00%) (Q: 0.37676)
41000 (P: 100.00%) (Q: 0.15748)
41100 (P: 100.00%) (Q: 0.24967)
41200 (P: 99.95%) (Q: 0.18152)
41300 (P: 99.95%) (Q: 0.33477)
41400 (P: 99.88%) (Q: 0.35625)