r2q1N1r/4ppp1/b1Pk1n2/p1pp3p/PP4P1/R3P2B/3P1P1P/1NBQK2R b - - 0 15
FEN state: r2q1N1r/4ppp1/b1Pk1n2/p1pp3p/PP4P1/R3P2B/3P1P1P/1NBQK2R b - - 0 15 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black queen at d8, white knight at f8 and black rook at h8. Black pawn at e7, black pawn at f7 and black pawn at g7. Black bishop at a6, white pawn at c6, black king at d6 and black knight at f6. Black pawn at a5, black pawn at c5, black pawn at d5 and black pawn at h5. White pawn at a4, white pawn at b4 and white pawn at g4. White rook at a3, white pawn at e3 and white bishop at h3. White pawn at d2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. Black to move.