r2q1bnr/4p1kp/p2pbp2/1Pp1n1NK/P6P/2R2PP1/1P1PP3/1NBQ1B1R b - - 0 18
FEN state: r2q1bnr/4p1kp/p2pbp2/1Pp1n1NK/P6P/2R2PP1/1P1PP3/1NBQ1B1R b - - 0 18 ; Best move: d8e8
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at e7, black king at g7 and black pawn at h7. Black pawn at a6, black pawn at d6, black bishop at e6 and black pawn at f6. White pawn at b5, black pawn at c5, black knight at e5, white knight at g5 and white king at h5. White pawn at a4 and white pawn at h4. White rook at c3, white pawn at f3 and white pawn at g3. White pawn at b2, white pawn at d2 and white pawn at e2. 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 0. Full move number is 18. Black to move.