rn1k1br1/4ppBp/bq1p4/pp1P2N1/8/RK6/1PP1PPPn/1N1Q1B1R b - - 7 13
FEN state: rn1k1br1/4ppBp/bq1p4/pp1P2N1/8/RK6/1PP1PPPn/1N1Q1B1R b - - 7 13 ; Best move: g8g7
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8, black bishop at f8 and black rook at g8. Black pawn at e7, black pawn at f7, white bishop at g7 and black pawn at h7. Black bishop at a6, black queen at b6 and black pawn at d6. Black pawn at a5, black pawn at b5, white pawn at d5 and white knight at g5. White rook at a3 and white king at b3. White pawn at b2, white pawn at c2, white pawn at e2, white pawn at f2, white pawn at g2 and black knight at h2. White knight at b1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 7. Full move number is 13. Black to move.