rnb1nk2/1p1Nq3/2p1p1pr/p4p1p/5Q1P/P1b1P1P1/RP1P1PB1/1NB2KR1 b - - 0 18
FEN state: rnb1nk2/1p1Nq3/2p1p1pr/p4p1p/5Q1P/P1b1P1P1/RP1P1PB1/1NB2KR1 b - - 0 18 ; Best move: b8d7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black knight at e8 and black king at f8. Black pawn at b7, white knight at d7 and black queen at e7. Black pawn at c6, black pawn at e6, black pawn at g6 and black rook at h6. Black pawn at a5, black pawn at f5 and black pawn at h5. White queen at f4 and white pawn at h4. White pawn at a3, black bishop at c3, white pawn at e3 and white pawn at g3. White rook at a2, white pawn at b2, white pawn at d2, white pawn at f2 and white bishop at g2. 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 0. Full move number is 18. Black to move.