r3kb2/p1pp1p1r/1pnPq1p1/1b2pP2/6Kp/n5PP/1PP1PRN1/RQ3BN1 w q - 2 23
FEN state: r3kb2/p1pp1p1r/1pnPq1p1/1b2pP2/6Kp/n5PP/1PP1PRN1/RQ3BN1 w q - 2 23 ; Best move: f5e6
The current state of the chess board is: Black rook at a8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at f7 and black rook at h7. Black pawn at b6, black knight at c6, white pawn at d6, black queen at e6 and black pawn at g6. Black bishop at b5, black pawn at e5 and white pawn at f5. White king at g4 and black pawn at h4. Black knight at a3, white pawn at g3 and white pawn at h3. White pawn at b2, white pawn at c2, white pawn at e2, white rook at f2 and white knight at g2. White rook at a1, white queen at b1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 2. Full move number is 23. White to move.