r3q1nr/p2bp2p/np6/1N1p1pPk/Q7/P3P1P1/2PP4/RNB1KR2 w Q - 1 23
FEN state: r3q1nr/p2bp2p/np6/1N1p1pPk/Q7/P3P1P1/2PP4/RNB1KR2 w Q - 1 23 ; Best move: b1c3
The current state of the chess board is: Black rook at a8, black queen at e8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at d7, black pawn at e7 and black pawn at h7. Black knight at a6 and black pawn at b6. White knight at b5, black pawn at d5, black pawn at f5, white pawn at g5 and black king at h5. White queen at a4. White pawn at a3, white pawn at e3 and white pawn at g3. White pawn at c2 and white pawn at d2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at f1. White queenside is the only castle move available. Half move number is 1. Full move number is 23. White to move.