r1bk3r/ppp2Npp/4P3/1B1p4/3P4/1n3QP1/PbP4P/RNB2KR1 b - - 5 18
FEN state: r1bk3r/ppp2Npp/4P3/1B1p4/3P4/1n3QP1/PbP4P/RNB2KR1 b - - 5 18 ; Best move: d8e7
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, white knight at f7, black pawn at g7 and black pawn at h7. White pawn at e6. White bishop at b5 and black pawn at d5. White pawn at d4. Black knight at b3, white queen at f3 and white pawn at g3. White pawn at a2, black bishop at b2, white pawn at c2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 18. Black to move.