r2k1b1r/pp2pp2/1qppb1p1/3n2Pp/1nPQ3P/5P2/P2PP1B1/RNB2KNR b - - 3 15
FEN state: r2k1b1r/pp2pp2/1qppb1p1/3n2Pp/1nPQ3P/5P2/P2PP1B1/RNB2KNR b - - 3 15 ; Best move: b6d4
The current state of the chess board is: Black rook at a8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7 and black pawn at f7. Black queen at b6, black pawn at c6, black pawn at d6, black bishop at e6 and black pawn at g6. Black knight at d5, white pawn at g5 and black pawn at h5. Black knight at b4, white pawn at c4, white queen at d4 and white pawn at h4. White pawn at f3. White pawn at a2, white pawn at d2, white pawn at e2 and white bishop at g2. White rook at a1, white knight at b1, white bishop at c1, white king at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 15. Black to move.