id 3check-kiwipete epd r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 1+1 perft 1 48 perft 2 2039 perft 3 97848 id 3check-castling epd r3k2r/8/8/8/8/8/8/R3K2R w KQkq - 1+1 perft 1 26 perft 2 562 perft 3 13410