1rb1kN1r/p7/nN2p2p/4p3/1ppPn1PP/1P2p3/P1P1P3/R1B1QKR1 b k - 0 23
FEN state: 1rb1kN1r/p7/nN2p2p/4p3/1ppPn1PP/1P2p3/P1P1P3/R1B1QKR1 b k - 0 23 ; Best move: h8f8
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, white knight at f8 and black rook at h8. Black pawn at a7. Black knight at a6, white knight at b6, black pawn at e6 and black pawn at h6. Black pawn at e5. Black pawn at b4, black pawn at c4, white pawn at d4, black knight at e4, white pawn at g4 and white pawn at h4. White pawn at b3 and black pawn at e3. White pawn at a2, white pawn at c2 and white pawn at e2. White rook at a1, white bishop at c1, white queen at e1, white king at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.