rn1qkbn1/pbpppp2/1p4p1/8/5P1P/NP2r2N/PBPPPK2/R2Q1B1R b q - 2 10
FEN state: rn1qkbn1/pbpppp2/1p4p1/8/5P1P/NP2r2N/PBPPPK2/R2Q1B1R b q - 2 10 ; Best move: b7h1
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7, black pawn at e7 and black pawn at f7. Black pawn at b6 and black pawn at g6. White pawn at f4 and white pawn at h4. White knight at a3, white pawn at b3, black rook at e3 and white knight at h3. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at d2, white pawn at e2 and white king at f2. White rook at a1, white queen at d1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 10. Black to move.