#
# Source: https://chessprogramming.wikispaces.com/Perft+Results
#

# Position 2: Kiwipete by Peter McKenzie
id pos-2
epd r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -
perft 1 48
perft 2 2039
perft 3 97862

# Position 3
id pos-3
epd 8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - -
perft 1 14
perft 2 191
perft 3 2812
perft 4 43238

# Position 4 (mirrored)
id pos-4
epd r2q1rk1/pP1p2pp/Q4n2/bbp1p3/Np6/1B3NBn/pPPP1PPP/R3K2R b KQ -
perft 1 6
perft 2 264
perft 3 9467

# Position 5: http://www.talkchess.com/forum/viewtopic.php?t=42463
id pos-5
epd rnbq1k1r/pp1Pbppp/2p5/8/2B5/8/PPP1NnPP/RNBQK2R w KQ -
perft 1 44
perft 2 1486
perft 3 62379

# Position 6 by Steven Edwards
id pos-6
epd r4rk1/1pp1qppp/p1np1n2/2b1p1B1/2B1P1b1/P1NP1N2/1PP1QPPP/R4RK1 w - -
perft 1 46
perft 2 2079
perft 3 89890


#
# Source: http://www.talkchess.com/forum/viewtopic.php?t=55274
#

id xfen-00
epd r1k1r2q/p1ppp1pp/8/8/8/8/P1PPP1PP/R1K1R2Q w KQkq -
perft 1 23
perft 2 522
perft 3 12333
perft 4 285754

id xfen-01
epd r1k2r1q/p1ppp1pp/8/8/8/8/P1PPP1PP/R1K2R1Q w KQkq -
perft 1 28
perft 2 738
perft 3 20218
perft 4 541480

id xfen-02
epd 8/8/8/4B2b/6nN/8/5P2/2R1K2k w Q -
perft 1 34
perft 2 318
perft 3 9002
perft 4 118388

id xfen-03
epd 2r5/8/8/8/8/8/6PP/k2KR3 w K -
perft 1 17
perft 2 242
perft 3 3931
perft 4 57700

id xfen-04
epd 4r3/3k4/8/8/8/8/6PP/qR1K1R2 w KQ -
perft 1 19
perft 2 628
perft 3 12858
perft 4 405636

#
# Regression tests
#

id ep-evasion
epd 8/8/8/5k2/3p4/8/4P3/4K3 w - -
perft 1 6
perft 2 54
perft 3 343
perft 4 2810
perft 5 19228

id prison
epd 2b5/kpPp4/1p1P4/1P6/6p1/4p1P1/4PpPK/5B2 w - -
perft 1 1
perft 2 1
perft 32 1

id king-walk
epd 8/8/8/B2p3Q/2qPp1P1/b7/2P2PkP/4K2R b K -
perft 1 26
perft 2 611
perft 3 14583
perft 4 366807

#
# https://github.com/ornicar/lila/issues/4625
#

id hside-rook-blocks-aside-castling
epd 4rrk1/pbbp2p1/1ppnp3/3n1pqp/3N1PQP/1PPNP3/PBBP2P1/4RRK1 w Ff -
perft 1 42
perft 2 1743
perft 3 71908

#
# Impossible checker alignment
#

id align-diag-1
epd 3R4/8/q4k2/2B5/1NK5/3b4/8/8 w - -
perft 1 4
perft 2 125
perft 3 2854

id align-diag-2
epd 2Nq4/2K5/1b6/8/7R/3k4/7P/8 w - -
perft 1 3
perft 2 81
perft 3 1217

id align-horizontal
epd 5R2/2P5/8/4k3/8/3rK2r/8/8 w - -
perft 1 2
perft 2 56
perft 3 1030

id align-ep
epd 8/8/8/1k6/3Pp3/8/8/4KQ2 b - d3
perft 1 6
perft 2 121
perft 3 711

id align-ep-pinned
epd 1b1k4/8/8/1rPpK3/8/8/8/8 w - d6
perft 1 5
perft 2 100
perft 3 555

id ep-unrelated-check
epd rnbqk1nr/bb3p1p/1q2r3/2pPp3/3P4/7P/1PP1NpPP/R1BQKBNR w KQkq c6
perft 1 2
perft 2 92
perft 3 2528

#
# Impossible castling rights
#

id asymmetrical-and-king-on-h
epd r2r3k/p7/3p4/8/8/P6P/8/R3K2R b KQq -
perft 1 14
perft 2 206
perft 3 3672
perft 4 64639
perft 5 1320962