2b1kbnr/3np3/r1pp1pp1/pq5p/1P2PP1P/B5P1/P1QP4/RN2K1NR b KQk - 3 13
FEN state: 2b1kbnr/3np3/r1pp1pp1/pq5p/1P2PP1P/B5P1/P1QP4/RN2K1NR b KQk - 3 13 ; Best move: a5b4
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black knight at d7 and black pawn at e7. Black rook at a6, black pawn at c6, black pawn at d6, black pawn at f6 and black pawn at g6. Black pawn at a5, black queen at b5 and black pawn at h5. White pawn at b4, white pawn at e4, white pawn at f4 and white pawn at h4. White bishop at a3 and white pawn at g3. White pawn at a2, white queen at c2 and white pawn at d2. White rook at a1, white knight at b1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 3. Full move number is 13. Black to move.