r2q1r1n/pb1pk1p1/p1p1Np1p/2nP4/P1P1P3/R4P1B/1b4PP/1NB2K1R b - - 2 18
FEN state: r2q1r1n/pb1pk1p1/p1p1Np1p/2nP4/P1P1P3/R4P1B/1b4PP/1NB2K1R b - - 2 18 ; Best move: d7e6
The current state of the chess board is: Black rook at a8, black queen at d8, black rook at f8 and black knight at h8. Black pawn at a7, black bishop at b7, black pawn at d7, black king at e7 and black pawn at g7. Black pawn at a6, black pawn at c6, white knight at e6, black pawn at f6 and black pawn at h6. Black knight at c5 and white pawn at d5. White pawn at a4, white pawn at c4 and white pawn at e4. White rook at a3, white pawn at f3 and white bishop at h3. Black bishop at b2, white pawn at g2 and white pawn at h2. White knight at b1, white bishop at c1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. Black to move.