r2qkbr1/2pnppp1/8/pP6/b2p2P1/R1Q1BP2/1P1KnN1P/1N3B1R w q - 0 23
FEN state: r2qkbr1/2pnppp1/8/pP6/b2p2P1/R1Q1BP2/1P1KnN1P/1N3B1R w q - 0 23 ; Best move: c3d3
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at c7, black knight at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at a5 and white pawn at b5. Black bishop at a4, black pawn at d4 and white pawn at g4. White rook at a3, white queen at c3, white bishop at e3 and white pawn at f3. White pawn at b2, white king at d2, black knight at e2, white knight at f2 and white pawn at h2. White knight at b1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 23. White to move.