r1bq1k1r/2Np1p2/np2p1p1/7p/1P1PPb1P/2BP4/P2N1PP1/RQ2KB1R w KQ - 0 18
FEN state: r1bq1k1r/2Np1p2/np2p1p1/7p/1P1PPb1P/2BP4/P2N1PP1/RQ2KB1R w KQ - 0 18 ; Best move: c7a8
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at f8 and black rook at h8. White knight at c7, black pawn at d7 and black pawn at f7. Black knight at a6, black pawn at b6, black pawn at e6 and black pawn at g6. Black pawn at h5. White pawn at b4, white pawn at d4, white pawn at e4, black bishop at f4 and white pawn at h4. White bishop at c3 and white pawn at d3. White pawn at a2, white knight at d2, white pawn at f2 and white pawn at g2. White rook at a1, white queen at b1, 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. White to move.