2bqk1nr/rppp1pp1/2n1p3/p3P2P/P7/b1NP4/1PP1BP1P/R1BQK1NR b KQk - 4 10
FEN state: 2bqk1nr/rppp1pp1/2n1p3/p3P2P/P7/b1NP4/1PP1BP1P/R1BQK1NR b KQk - 4 10 ; Best move: a3b4
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at g7. Black knight at c6 and black pawn at e6. Black pawn at a5, white pawn at e5 and white pawn at h5. White pawn at a4. Black bishop at a3, white knight at c3 and white pawn at d3. White pawn at b2, white pawn at c2, white bishop at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 4. Full move number is 10. Black to move.