r3k3/p1q5/bp3nr1/2B2BP1/4PP1p/1P1P4/P6P/RNKQ2NR w q - 3 23
FEN state: r3k3/p1q5/bp3nr1/2B2BP1/4PP1p/1P1P4/P6P/RNKQ2NR w q - 3 23 ; Best move: f5g6
The current state of the chess board is: Black rook at a8 and black king at e8. Black pawn at a7 and black queen at c7. Black bishop at a6, black pawn at b6, black knight at f6 and black rook at g6. White bishop at c5, white bishop at f5 and white pawn at g5. White pawn at e4, white pawn at f4 and black pawn at h4. White pawn at b3 and white pawn at d3. White pawn at a2 and white pawn at h2. White rook at a1, white knight at b1, white king at c1, white queen at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 3. Full move number is 23. White to move.