1nb2b1r/1pqpnkpp/r4p2/p1p1p3/2P2PP1/P2P4/RPQBP2P/1N2KBNR b K - 6 10
FEN state: 1nb2b1r/1pqpnkpp/r4p2/p1p1p3/2P2PP1/P2P4/RPQBP2P/1N2KBNR b K - 6 10 ; Best move: b8c6
The current state of the chess board is: Black knight at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at b7, black queen at c7, black pawn at d7, black knight at e7, black king at f7, black pawn at g7 and black pawn at h7. Black rook at a6 and black pawn at f6. Black pawn at a5, black pawn at c5 and black pawn at e5. White pawn at c4, white pawn at f4 and white pawn at g4. White pawn at a3 and white pawn at d3. White rook at a2, white pawn at b2, white queen at c2, white bishop at d2, white pawn at e2 and white pawn at h2. White knight at b1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 6. Full move number is 10. Black to move.