rnbqkb2/pp1pp3/2p4n/5pp1/1P3P2/B1P1PKP1/P2P3r/RN4NR b q - 1 10
FEN state: rnbqkb2/pp1pp3/2p4n/5pp1/1P3P2/B1P1PKP1/P2P3r/RN4NR b q - 1 10 ; Best move: g5g4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at b7, black pawn at d7 and black pawn at e7. Black pawn at c6 and black knight at h6. Black pawn at f5 and black pawn at g5. White pawn at b4 and white pawn at f4. White bishop at a3, white pawn at c3, white pawn at e3, white king at f3 and white pawn at g3. White pawn at a2, white pawn at d2 and black rook at h2. White rook at a1, white knight at b1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 10. Black to move.