rn1k3r/p3n1b1/bq1ppp2/4PP1p/2B3Pp/pP6/P2P4/R1Q1K1NR w KQ - 1 23
FEN state: rn1k3r/p3n1b1/bq1ppp2/4PP1p/2B3Pp/pP6/P2P4/R1Q1K1NR w KQ - 1 23 ; Best move: c1a3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8 and black rook at h8. Black pawn at a7, black knight at e7 and black bishop at g7. Black bishop at a6, black queen at b6, black pawn at d6, black pawn at e6 and black pawn at f6. White pawn at e5, white pawn at f5 and black pawn at h5. White bishop at c4, white pawn at g4 and black pawn at h4. Black pawn at a3 and white pawn at b3. White pawn at a2 and white pawn at d2. White rook at a1, white queen at c1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 23. White to move.