1rbq1b1r/2p1p2p/pp1pk1p1/1Q2np2/3P1PnN/1P3B2/P1P1P2P/RNB2KR1 b - - 9 15
FEN state: 1rbq1b1r/2p1p2p/pp1pk1p1/1Q2np2/3P1PnN/1P3B2/P1P1P2P/RNB2KR1 b - - 9 15 ; Best move: a6b5
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at e7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at d6, black king at e6 and black pawn at g6. White queen at b5, black knight at e5 and black pawn at f5. White pawn at d4, white pawn at f4, black knight at g4 and white knight at h4. White pawn at b3 and white bishop at f3. White pawn at a2, white pawn at c2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 9. Full move number is 15. Black to move.