rn2kbnr/4p1pp/p4p2/qppp4/3P2b1/R4NP1/1PPNPP1P/2BQKB1R b kq - 1 10
FEN state: rn2kbnr/4p1pp/p4p2/qppp4/3P2b1/R4NP1/1PPNPP1P/2BQKB1R b kq - 1 10 ; Best move: a5d8
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 e7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black pawn at f6. Black queen at a5, black pawn at b5, black pawn at c5 and black pawn at d5. White pawn at d4 and black bishop at g4. White rook at a3, white knight at f3 and white pawn at g3. White pawn at b2, white pawn at c2, white knight at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 10. Black to move.