rnq2bnr/2p1p1B1/6kN/p1Pp1p1p/Pp3p1P/1P4P1/3P4/RN1QKB1R b Q - 1 20
FEN state: rnq2bnr/2p1p1B1/6kN/p1Pp1p1p/Pp3p1P/1P4P1/3P4/RN1QKB1R b Q - 1 20 ; Best move: f8g7
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at e7 and white bishop at g7. Black king at g6 and white knight at h6. Black pawn at a5, white pawn at c5, black pawn at d5, black pawn at f5 and black pawn at h5. White pawn at a4, black pawn at b4, black pawn at f4 and white pawn at h4. White pawn at b3 and white pawn at g3. White pawn at d2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White queenside is the only castle move available. Half move number is 1. Full move number is 20. Black to move.