rn2kbnr/p2p4/bq2pp2/1Q4Np/2pP2P1/4B2P/PPP1PP2/R3KBNR b KQkq - 0 10
FEN state: rn2kbnr/p2p4/bq2pp2/1Q4Np/2pP2P1/4B2P/PPP1PP2/R3KBNR b KQkq - 0 10 ; Best move: a6b5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7 and black pawn at d7. Black bishop at a6, black queen at b6, black pawn at e6 and black pawn at f6. White queen at b5, white knight at g5 and black pawn at h5. Black pawn at c4, white pawn at d4 and white pawn at g4. White bishop at e3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2 and white pawn at f2. White rook at a1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.