rnbqk1r1/p1ppp1bp/5p2/1p3nB1/2PP1p2/8/PP1NPKPP/2RQ1BNR b q - 5 13
FEN state: rnbqk1r1/p1ppp1bp/5p2/1p3nB1/2PP1p2/8/PP1NPKPP/2RQ1BNR b q - 5 13 ; Best move: f6g5
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 rook at g8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at e7, black bishop at g7 and black pawn at h7. Black pawn at f6. Black pawn at b5, black knight at f5 and white bishop at g5. White pawn at c4, white pawn at d4 and black pawn at f4. White pawn at a2, white pawn at b2, white knight at d2, white pawn at e2, white king at f2, white pawn at g2 and white pawn at h2. White rook at c1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 5. Full move number is 13. Black to move.