1r2k1r1/pp2ppb1/n7/q1pp1b1p/4P1B1/N1PPBK2/PP3P1P/R3Q1NR b - - 6 15
FEN state: 1r2k1r1/pp2ppb1/n7/q1pp1b1p/4P1B1/N1PPBK2/PP3P1P/R3Q1NR b - - 6 15 ; Best move: f5g4
The current state of the chess board is: Black rook at b8, black king at e8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7 and black bishop at g7. Black knight at a6. Black queen at a5, black pawn at c5, black pawn at d5, black bishop at f5 and black pawn at h5. White pawn at e4 and white bishop at g4. White knight at a3, white pawn at c3, white pawn at d3, white bishop at e3 and white king at f3. White pawn at a2, white pawn at b2, white pawn at f2 and white pawn at h2. White rook at a1, white queen at e1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 15. Black to move.