1.
b3
e5
2.
Bb2
Nc6
3.
c4
Nf6
4.
e3
d5
5.
cxd5
Nxd5
6.
a3
Bd6
7.
Qc2
O-O
8.
Nf3
Qe7
9.
Nc3
Nxc3
10.
Qxc3
f5
11.
Bb5
e4
12.
Bxc6
bxc6
13.
Ne5
c5
14.
b4
cxb4
15.
axb4
Bb7
16.
h4
Rfe8
17.
Ra5
c5
18.
Nc4
cxb4
19.
Qd4
Bc7
20.
Rxa7
Red8
21.
Rxa8
Bxa8
22.
Qa7
Bd5
23.
Nb6
Qc5
24.
Nc8
Qc2
25.
Ne7+
Kf8
26.
O-O
Ra8
27.
Qd4
Kxe7
28.
Rc1
Qxc1+
29.
Bxc1
b3
30.
g4
Kd6
31.
gxf5
Bd8
32.
f3
Bf6
33.
Qb4+
Kc7
34.
fxe4
Ra1
35.
Qc5+
Bc6
36.
Kf2
b2
37.
Bxb2
Bxb2
38.
e5
Ra8
39.
Qd6+
1-0
Opening Explorer
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Event
Site
Leeuwarden
Date
1971.04.12
Round
7
White
Boersma, Paul
Black
Krabbe, Tim
Result
1-0
Score
[Event "NED-ch26"] [Site "Leeuwarden"] [Date "1971.04.12"] [Round "7"] [White "Boersma, Paul"] [Black "Krabbe, Tim"] [Result "1-0"] [ECO "A01"] [Opening "Nimzo-Larsen Attack"] 1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. e3 d5 5. cxd5 Nxd5 6. a3 Bd6 7. Qc2 O-O 8. Nf3 Qe7 9. Nc3 Nxc3 10. Qxc3 f5 11. Bb5 e4 12. Bxc6 bxc6 13. Ne5 c5 14. b4 cxb4 15. axb4 Bb7 16. h4 Rfe8 17. Ra5 c5 18. Nc4 cxb4 19. Qd4 Bc7 20. Rxa7 Red8 21. Rxa8 Bxa8 22. Qa7 Bd5 23. Nb6 Qc5 24. Nc8 Qc2 25. Ne7+ Kf8 26. O-O Ra8 27. Qd4 Kxe7 28. Rc1 Qxc1+ 29. Bxc1 b3 30. g4 Kd6 31. gxf5 Bd8 32. f3 Bf6 33. Qb4+ Kc7 34. fxe4 Ra1 35. Qc5+ Bc6 36. Kf2 b2 37. Bxb2 Bxb2 38. e5 Ra8 39. Qd6+ 1-0