r1b2k1r/pp1n1p1p/1q3np1/1P1pp3/1bpP2PP/4K3/P1P1PP2/RN1Q1BNR b - - 0 15
FEN state: r1b2k1r/pp1n1p1p/1q3np1/1P1pp3/1bpP2PP/4K3/P1P1PP2/RN1Q1BNR b - - 0 15 ; Best move: f6g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black knight at d7, black pawn at f7 and black pawn at h7. Black queen at b6, black knight at f6 and black pawn at g6. White pawn at b5, black pawn at d5 and black pawn at e5. Black bishop at b4, black pawn at c4, white pawn at d4, white pawn at g4 and white pawn at h4. White king at e3. White pawn at a2, white pawn at c2, white pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. Black to move.