rnb2b2/np3pp1/1Pk5/p1ppp2r/2P1P3/P1N4P/R2PB1P1/1NB1K2R b K - 10 23
FEN state: rnb2b2/np3pp1/1Pk5/p1ppp2r/2P1P3/P1N4P/R2PB1P1/1NB1K2R b K - 10 23 ; Best move: h5g5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black bishop at f8. Black knight at a7, black pawn at b7, black pawn at f7 and black pawn at g7. White pawn at b6 and black king at c6. Black pawn at a5, black pawn at c5, black pawn at d5, black pawn at e5 and black rook at h5. White pawn at c4 and white pawn at e4. White pawn at a3, white knight at c3 and white pawn at h3. White rook at a2, white pawn at d2, white bishop at e2 and white pawn at g2. White knight at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 10. Full move number is 23. Black to move.