r1bqkbn1/p6r/2npp1p1/1p3PB1/2P4P/P2p1B2/1P2PP2/RN1QK1NR b KQq - 3 13
FEN state: r1bqkbn1/p6r/2npp1p1/1p3PB1/2P4P/P2p1B2/1P2PP2/RN1QK1NR b KQq - 3 13 ; Best move: d8b6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7 and black rook at h7. Black knight at c6, black pawn at d6, black pawn at e6 and black pawn at g6. Black pawn at b5, white pawn at f5 and white bishop at g5. White pawn at c4 and white pawn at h4. White pawn at a3, black pawn at d3 and white bishop at f3. White pawn at b2, white pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 3. Full move number is 13. Black to move.