r1b1k1nr/1p1pbpp1/n6p/2P1p3/p4P2/2P1P2N/PP1QB2P/RNB1K2R b KQkq - 0 10
FEN state: r1b1k1nr/1p1pbpp1/n6p/2P1p3/p4P2/2P1P2N/PP1QB2P/RNB1K2R b KQkq - 0 10 ; Best move: e7h4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7, black bishop at e7, black pawn at f7 and black pawn at g7. Black knight at a6 and black pawn at h6. White pawn at c5 and black pawn at e5. Black pawn at a4 and white pawn at f4. White pawn at c3, white pawn at e3 and white knight at h3. White pawn at a2, white pawn at b2, white queen at d2, white bishop at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.