Biến ấy như sau:

1.M1.3 Tg-6
2.B6-5 B2-3
3.B5.1 X5/8
4.P2-4 S6/5
5.M3/4 S5.6
6.M4.2 S6/5
7.V1.3 B3-4
8.V3/5 B4-5
9.Tg-5 B5.1
10.Tg-6 B8-7
11.P4/2 B7-6
12.M2/4 S5.6
13.M4/6 S6/5
14.M6/4 S5.6
15.M4.3 S6/5
16.P4-1

(1-0).