r1b1kbn1/n2p1p1r/pp6/1Qp3p1/R1P1p3/4B1N1/1P2PPPP/1N2KB1R b Kq - 6 15
FEN state: r1b1kbn1/n2p1p1r/pp6/1Qp3p1/R1P1p3/4B1N1/1P2PPPP/1N2KB1R b Kq - 6 15 ; Best move: a6b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black knight at a7, black pawn at d7, black pawn at f7 and black rook at h7. Black pawn at a6 and black pawn at b6. White queen at b5, black pawn at c5 and black pawn at g5. White rook at a4, white pawn at c4 and black pawn at e4. White bishop at e3 and white knight at g3. White pawn at b2, white pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 6. Full move number is 15. Black to move.