r1bqkb1r/2p1pp1p/1n5n/pp1p4/NN4p1/1QP4P/PP1PPPP1/R1B1KBR1 b Qkq - 4 10
FEN state: r1bqkb1r/2p1pp1p/1n5n/pp1p4/NN4p1/1QP4P/PP1PPPP1/R1B1KBR1 b Qkq - 4 10 ; Best move: b5a4
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 rook at h8. Black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at b6 and black knight at h6. Black pawn at a5, black pawn at b5 and black pawn at d5. White knight at a4, white knight at b4 and black pawn at g4. White queen at b3, white pawn at c3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. White queenside, black kingside and black queenside castles are available. Half move number is 4. Full move number is 10. Black to move.