r2k1b1r/2p2p2/np1p1nQ1/4p2p/p2P1N1P/1P2P1Pb/P1P2P2/RNB1KB1R b KQ - 0 18
FEN state: r2k1b1r/2p2p2/np1p1nQ1/4p2p/p2P1N1P/1P2P1Pb/P1P2P2/RNB1KB1R b KQ - 0 18 ; Best move: f7g6
The current state of the chess board is: Black rook at a8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at c7 and black pawn at f7. Black knight at a6, black pawn at b6, black pawn at d6, black knight at f6 and white queen at g6. Black pawn at e5 and black pawn at h5. Black pawn at a4, white pawn at d4, white knight at f4 and white pawn at h4. White pawn at b3, white pawn at e3, white pawn at g3 and black bishop at h3. White pawn at a2, white pawn at c2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 18. Black to move.