id zh-all-drop-types
epd 2k5/8/8/8/8/8/8/4K3[QRBNPqrbnp] w - -
perft 1 301
perft 2 75353
id zh-drops
epd 2k5/8/8/8/8/8/8/4K3[Qn] w - -
perft 1 67
perft 2 3083
perft 3 88634
perft 4 932554
id zh-middlegame
epd r1bqk2r/pppp1ppp/2n1p3/4P3/1b1Pn3/2NB1N2/PPP2PPP/R1BQK2R[] b KQkq -
perft 1 42
perft 2 1347
perft 3 58057
perft 4 2083382
id zh-promoted
epd 4k3/1Q~6/8/8/4b3/8/Kpp5/8/ b - - 0 1
perft 1 20
perft 2 360
perft 3 5445
perft 4 132758