r1bk1bnr/pp1q4/2pppp2/2n3pp/P4PP1/NPPPP3/RB1K3P/3QNB1R b - - 4 17
FEN state: r1bk1bnr/pp1q4/2pppp2/2n3pp/P4PP1/NPPPP3/RB1K3P/3QNB1R b - - 4 17 ; Best move: g5f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7 and black queen at d7. Black pawn at c6, black pawn at d6, black pawn at e6 and black pawn at f6. Black knight at c5, black pawn at g5 and black pawn at h5. White pawn at a4, white pawn at f4 and white pawn at g4. White knight at a3, white pawn at b3, white pawn at c3, white pawn at d3 and white pawn at e3. White rook at a2, white bishop at b2, white king at d2 and white pawn at h2. White queen at d1, white knight at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 17. Black to move.