r1b2b1r/p2pqkp1/n6p/1pp1pp2/2P3P1/PP1Q1P2/3PPK1N/RNB2BR1 b - - 1 15
FEN state: r1b2b1r/p2pqkp1/n6p/1pp1pp2/2P3P1/PP1Q1P2/3PPK1N/RNB2BR1 b - - 1 15 ; Best move: a6c7
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7, black queen at e7, black king at f7 and black pawn at g7. Black knight at a6 and black pawn at h6. Black pawn at b5, black pawn at c5, black pawn at e5 and black pawn at f5. White pawn at c4 and white pawn at g4. White pawn at a3, white pawn at b3, white queen at d3 and white pawn at f3. White pawn at d2, white pawn at e2, white king at f2 and white knight at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 15. Black to move.