1nb2br1/r2k3p/2Nppq1n/pp4p1/PpP2p2/4PPP1/3P1K1P/RNBQ1B1R w - - 2 18
FEN state: 1nb2br1/r2k3p/2Nppq1n/pp4p1/PpP2p2/4PPP1/3P1K1P/RNBQ1B1R w - - 2 18 ; Best move: c6a7
The current state of the chess board is: Black knight at b8, black bishop at c8, black bishop at f8 and black rook at g8. Black rook at a7, black king at d7 and black pawn at h7. White knight at c6, black pawn at d6, black pawn at e6, black queen at f6 and black knight at h6. Black pawn at a5, black pawn at b5 and black pawn at g5. White pawn at a4, black pawn at b4, white pawn at c4 and black pawn at f4. White pawn at e3, white pawn at f3 and white pawn at g3. White pawn at d2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. White to move.