1?

have a winning streak

2

Jiasheng 1? B wins 1 A wins 1? B won 2.

three

Jiasheng 1? B wins 2 A wins 1 B wins 1

four

Jiasheng 1 Yisheng 1 Jiasheng 1 Yisheng 1 Jiasheng 1.

five

A wins 1 B wins 2 A wins 2.

six

Jiasheng 1 Yisheng 1 Jiasheng 2.

seven

A wins 1 B wins 3

eight

B winning streak 2?

nine

B wins 1 A wins 3

10

B wins 1 A wins 2 B wins 1 A wins 1.

1 1

B wins 1 A wins 1 B wins 1 A wins 2.

12

B wins 1 A wins 2 B wins 2

13

Yisheng 1 Jiasheng 1 Yisheng 2

14

B wins 1 A wins 1 B wins 1 A wins 1 B wins 1.

The second question.

Party A and Party B compete once each, that is, four times. B and A C compete, which is three times. C competes with a and b, that is, twice. Ding only played against A, that is, 1 time. That is, I only played A and B, that is, two games. ...

I hope it's correct. ...