rn3q1r/1bp2k1p/p2p1p1b/1p1np1p1/1PBP4/PQP1PP1P/6P1/RNB1K1NR b KQ - 3 15
FEN state: rn3q1r/1bp2k1p/p2p1p1b/1p1np1p1/1PBP4/PQP1PP1P/6P1/RNB1K1NR b KQ - 3 15 ; Best move: b5c4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at f8 and black rook at h8. Black bishop at b7, black pawn at c7, black king at f7 and black pawn at h7. Black pawn at a6, black pawn at d6, black pawn at f6 and black bishop at h6. Black pawn at b5, black knight at d5, black pawn at e5 and black pawn at g5. White pawn at b4, white bishop at c4 and white pawn at d4. White pawn at a3, white queen at b3, white pawn at c3, white pawn at e3, white pawn at f3 and white pawn at h3. White pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 3. Full move number is 15. Black to move.