1r1qkb1r/p1p1pppp/2n4n/1p1p3R/1PB3b1/P2NP3/2PP1PP1/RNBQK3 w k - 1 12
FEN state: 1r1qkb1r/p1p1pppp/2n4n/1p1p3R/1PB3b1/P2NP3/2PP1PP1/RNBQK3 w k - 1 12 ; Best move: c4d5
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black knight at c6 and black knight at h6. Black pawn at b5, black pawn at d5 and white rook at h5. White pawn at b4, white bishop at c4 and black bishop at g4. White pawn at a3, white knight at d3 and white pawn at e3. White pawn at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1 and white king at e1. Black kingside is the only castle move available. Half move number is 1. Full move number is 12. White to move.