Ending with a draw

Game 145 of “渊深海阔”. Red to play and draw, instructive.

Red 6 pieces, Black 9 pieces.








Main variation

1. P6+1 ch       K4=5
2. P6+1 ch       G5-4
3. R3=5 ch (a)   G6+5 (b)
4. N8+6 ch       K5=6
5. C8+5 ch       K6+1
6. R5=4 ch       K6+1
7. C8-2 ch       B3-5
8. P5+1 ch       K6-1
9. P5=4 ch       K6-1
10.C8+2 ch       C3-9
11.P4+1 ch       R6-5
12.N6+7          G5+4 (c)
13.N7-6 ch       G4+5
14.N6+8          N6+5 ch
15.K6=5          K6=5
16.N8-6 ch       K5=6
17.N6+4          K6+1 (draw)

Had Red played 3. N8+6 instead of the text move, then we have the following situation as illustrated in (a):








(a)

3. N8+6 ch       K5+1
4. P5+1 ch       B3-5
5. C8=5 ch       K5=4

Red run out of luck.