1rb1kbnr/pp1q2pp/1n1pp3/2p2p2/PQ3PPP/R1P1P2B/1P1P4/1NB2KNR b k - 2 11
FEN state: 1rb1kbnr/pp1q2pp/1n1pp3/2p2p2/PQ3PPP/R1P1P2B/1P1P4/1NB2KNR b k - 2 11 ; Best move: c5b4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black queen at d7, black pawn at g7 and black pawn at h7. Black knight at b6, black pawn at d6 and black pawn at e6. Black pawn at c5 and black pawn at f5. White pawn at a4, white queen at b4, white pawn at f4, white pawn at g4 and white pawn at h4. White rook at a3, white pawn at c3, white pawn at e3 and white bishop at h3. White pawn at b2 and white pawn at d2. White knight at b1, white bishop at c1, white king at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 2. Full move number is 11. Black to move.