rnb1q1nr/p2p1kpp/1ppb4/4pp2/P2P2P1/NPP4P/R3PP2/2BQKBNR w K - 1 12
FEN state: rnb1q1nr/p2p1kpp/1ppb4/4pp2/P2P2P1/NPP4P/R3PP2/2BQKBNR w K - 1 12 ; Best move: a3c4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7, black king at f7, black pawn at g7 and black pawn at h7. Black pawn at b6, black pawn at c6 and black bishop at d6. Black pawn at e5 and black pawn at f5. White pawn at a4, white pawn at d4 and white pawn at g4. White knight at a3, white pawn at b3, white pawn at c3 and white pawn at h3. White rook at a2, white pawn at e2 and white pawn at f2. White bishop at c1, white queen at d1, 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 1. Full move number is 12. White to move.