1r2kbn1/pb1p3r/np2p1p1/2p2pq1/2P1P1PP/BP3N1B/P1QP1P2/RN2K2R b KQ - 6 13
FEN state: 1r2kbn1/pb1p3r/np2p1p1/2p2pq1/2P1P1PP/BP3N1B/P1QP1P2/RN2K2R b KQ - 6 13 ; Best move: g5f4
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black bishop at b7, black pawn at d7 and black rook at h7. Black knight at a6, black pawn at b6, black pawn at e6 and black pawn at g6. Black pawn at c5, black pawn at f5 and black queen at g5. White pawn at c4, white pawn at e4, white pawn at g4 and white pawn at h4. White bishop at a3, white pawn at b3, white knight at f3 and white bishop at h3. White pawn at a2, white queen at c2, white pawn at d2 and white pawn at f2. White rook at a1, white knight at b1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 6. Full move number is 13. Black to move.