2bnkbnr/1r1p2p1/p2p4/1pP4p/1P2pRp1/3BP3/P2P4/R1B1QKN1 b k - 1 18
FEN state: 2bnkbnr/1r1p2p1/p2p4/1pP4p/1P2pRp1/3BP3/P2P4/R1B1QKN1 b k - 1 18 ; Best move: e4d3
The current state of the chess board is: Black bishop at c8, black knight at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at b7, black pawn at d7 and black pawn at g7. Black pawn at a6 and black pawn at d6. Black pawn at b5, white pawn at c5 and black pawn at h5. White pawn at b4, black pawn at e4, white rook at f4 and black pawn at g4. White bishop at d3 and white pawn at e3. White pawn at a2 and white pawn at d2. White rook at a1, white bishop at c1, white queen at e1, white king at f1 and white knight at g1. Black kingside is the only castle move available. Half move number is 1. Full move number is 18. Black to move.