rnbq1b2/2k1pprp/pp1p4/3R1np1/7P/P1p2NP1/RPPPPP2/2BQKB2 b - - 0 17
FEN state: rnbq1b2/2k1pprp/pp1p4/3R1np1/7P/P1p2NP1/RPPPPP2/2BQKB2 b - - 0 17 ; Best move: g5h4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black bishop at f8. Black king at c7, black pawn at e7, black pawn at f7, black rook at g7 and black pawn at h7. Black pawn at a6, black pawn at b6 and black pawn at d6. White rook at d5, black knight at f5 and black pawn at g5. White pawn at h4. White pawn at a3, black pawn at c3, white knight at f3 and white pawn at g3. White rook at a2, white pawn at b2, white pawn at c2, white pawn at d2, white pawn at e2 and white pawn at f2. White bishop at c1, white queen at d1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 17. Black to move.