2r1k1nr/3np2p/6pb/p4pP1/2ppbP2/N1PPP2N/P1K1Q2P/4RB1R w k - 2 23
FEN state: 2r1k1nr/3np2p/6pb/p4pP1/2ppbP2/N1PPP2N/P1K1Q2P/4RB1R w k - 2 23 ; Best move: a3c4
The current state of the chess board is: Black rook at c8, black king at e8, black knight at g8 and black rook at h8. Black knight at d7, black pawn at e7 and black pawn at h7. Black pawn at g6 and black bishop at h6. Black pawn at a5, black pawn at f5 and white pawn at g5. Black pawn at c4, black pawn at d4, black bishop at e4 and white pawn at f4. White knight at a3, white pawn at c3, white pawn at d3, white pawn at e3 and white knight at h3. White pawn at a2, white king at c2, white queen at e2 and white pawn at h2. White rook at e1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 2. Full move number is 23. White to move.