1nb1kbnr/1pp1p2p/r3qpp1/p2p3P/P4P2/3P2P1/1PPQP3/RNBK1BNR b k - 0 10
FEN state: 1nb1kbnr/1pp1p2p/r3qpp1/p2p3P/P4P2/3P2P1/1PPQP3/RNBK1BNR b k - 0 10 ; Best move: g6h5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at h7. Black rook at a6, black queen at e6, black pawn at f6 and black pawn at g6. Black pawn at a5, black pawn at d5 and white pawn at h5. White pawn at a4 and white pawn at f4. White pawn at d3 and white pawn at g3. White pawn at b2, white pawn at c2, white queen at d2 and white pawn at e2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 10. Black to move.