r1b1k1nr/p1q1p1b1/1p1p1ppp/n7/1P3PPP/3PB2N/P3P3/RN1QKB1R w KQkq - 1 12
FEN state: r1b1k1nr/p1q1p1b1/1p1p1ppp/n7/1P3PPP/3PB2N/P3P3/RN1QKB1R w KQkq - 1 12 ; Best move: b4a5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at c7, black pawn at e7 and black bishop at g7. Black pawn at b6, black pawn at d6, black pawn at f6, black pawn at g6 and black pawn at h6. Black knight at a5. White pawn at b4, white pawn at f4, white pawn at g4 and white pawn at h4. White pawn at d3, white bishop at e3 and white knight at h3. White pawn at a2 and white pawn at e2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 12. White to move.