r2k1bnr/6p1/ppnpb3/2p4p/2P1Pp2/5R1B/PPQPN2P/R1BK4 b - - 4 18
FEN state: r2k1bnr/6p1/ppnpb3/2p4p/2P1Pp2/5R1B/PPQPN2P/R1BK4 b - - 4 18 ; Best move: e6g4
The current state of the chess board is: Black rook at a8, black king at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at g7. Black pawn at a6, black pawn at b6, black knight at c6, black pawn at d6 and black bishop at e6. Black pawn at c5 and black pawn at h5. White pawn at c4, white pawn at e4 and black pawn at f4. White rook at f3 and white bishop at h3. White pawn at a2, white pawn at b2, white queen at c2, white pawn at d2, white knight at e2 and white pawn at h2. White rook at a1, white bishop at c1 and white king at d1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. Black to move.