2bqkbr1/4n2p/n2p1p2/1rP4p/1p1p1NP1/p4P1B/PP2PR1P/R3K1B1 w Q - 1 23
FEN state: 2bqkbr1/4n2p/n2p1p2/1rP4p/1p1p1NP1/p4P1B/PP2PR1P/R3K1B1 w Q - 1 23 ; Best move: e2e3
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black knight at e7 and black pawn at h7. Black knight at a6, black pawn at d6 and black pawn at f6. Black rook at b5, white pawn at c5 and black pawn at h5. Black pawn at b4, black pawn at d4, white knight at f4 and white pawn at g4. Black pawn at a3, white pawn at f3 and white bishop at h3. White pawn at a2, white pawn at b2, white pawn at e2, white rook at f2 and white pawn at h2. White rook at a1, white king at e1 and white bishop at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 23. White to move.