r2qkb1r/npp2pp1/3ppn2/p6p/PP1B2bP/3P2P1/2P1PP1R/RN1QKBN1 b Qk - 4 11
FEN state: r2qkb1r/npp2pp1/3ppn2/p6p/PP1B2bP/3P2P1/2P1PP1R/RN1QKBN1 b Qk - 4 11 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black knight at a7, black pawn at b7, black pawn at c7, black pawn at f7 and black pawn at g7. Black pawn at d6, black pawn at e6 and black knight at f6. Black pawn at a5 and black pawn at h5. White pawn at a4, white pawn at b4, white bishop at d4, black bishop at g4 and white pawn at h4. White pawn at d3 and white pawn at g3. White pawn at c2, white pawn at e2, white pawn at f2 and white rook at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. White queenside and black kingside castles are available. Half move number is 4. Full move number is 11. Black to move.