rnb1k1nr/p1pp2p1/1p4R1/5p1p/4pP2/b1P1P1P1/PP1P4/RNBQKBN1 w kq - 0 12
FEN state: rnb1k1nr/p1pp2p1/1p4R1/5p1p/4pP2/b1P1P1P1/PP1P4/RNBQKBN1 w kq - 0 12 ; Best move: b1a3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7 and black pawn at g7. Black pawn at b6 and white rook at g6. Black pawn at f5 and black pawn at h5. Black pawn at e4 and white pawn at f4. Black bishop at a3, white pawn at c3, white pawn at e3 and white pawn at g3. White pawn at a2, white pawn at b2 and white pawn at d2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 12. White to move.