r1bqk2r/1ppp3p/n1B3pn/p3ppb1/P3P1P1/3K3N/1PPP3P/RNB2Q1R w kq - 4 12
FEN state: r1bqk2r/1ppp3p/n1B3pn/p3ppb1/P3P1P1/3K3N/1PPP3P/RNB2Q1R w kq - 4 12 ; Best move: c6b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7 and black pawn at h7. Black knight at a6, white bishop at c6, black pawn at g6 and black knight at h6. Black pawn at a5, black pawn at e5, black pawn at f5 and black bishop at g5. White pawn at a4, white pawn at e4 and white pawn at g4. White king at d3 and white knight at h3. White pawn at b2, white pawn at c2, white pawn at d2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 12. White to move.