2b2b1r/2Npq1p1/4p1k1/pr1n1p1p/2PP4/P3P2P/1P2NnP1/R1B1KB1R w K - 2 23
FEN state: 2b2b1r/2Npq1p1/4p1k1/pr1n1p1p/2PP4/P3P2P/1P2NnP1/R1B1KB1R w K - 2 23 ; Best move: e1f2
The current state of the chess board is: Black bishop at c8, black bishop at f8 and black rook at h8. White knight at c7, black pawn at d7, black queen at e7 and black pawn at g7. Black pawn at e6 and black king at g6. Black pawn at a5, black rook at b5, black knight at d5, black pawn at f5 and black pawn at h5. White pawn at c4 and white pawn at d4. White pawn at a3, white pawn at e3 and white pawn at h3. White pawn at b2, white knight at e2, black knight at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 23. White to move.