r2qk3/4p1r1/Bp1pP1p1/2p2pPp/6nP/P7/1P1P2Q1/RNB2KNR w q - 0 23
FEN state: r2qk3/4p1r1/Bp1pP1p1/2p2pPp/6nP/P7/1P1P2Q1/RNB2KNR w q - 0 23 ; Best move: a6b5
The current state of the chess board is: Black rook at a8, black queen at d8 and black king at e8. Black pawn at e7 and black rook at g7. White bishop at a6, black pawn at b6, black pawn at d6, white pawn at e6 and black pawn at g6. Black pawn at c5, black pawn at f5, white pawn at g5 and black pawn at h5. Black knight at g4 and white pawn at h4. White pawn at a3. White pawn at b2, white pawn at d2 and white queen at g2. White rook at a1, white knight at b1, white bishop at c1, white king at f1, white knight at g1 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.