A. B two people in a chess match, the two sides agreed to win a game of 3 points, tied a game of 1 point each, the loss of a game of -1 points, the two people *** played 10 games, the two people *** played 10 games. A stayed undefeated, then B's 6 points were all gained from the draw. That's more than 6 games drawn together, and 4 games left. A stays undefeated, and if A wins all the remaining 4 games, then B is deducted 4 points, so that's not right. In the remaining 4 games, A wins 2 games and draws 2 more. In the end, there are 8 draws and 2 games left for A to win, which is correct, and A gets 14 points and B gets 6 points. Answer: A drew 8 games and lost 0 games.

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