1.
d4
e6
2.
c4
f5
3.
e3
Nf6
4.
Bd3
d5
5.
Nf3
Be7
6.
O-O
O-O
7.
b3
Ne4
8.
Ba3
Nc6
9.
Bxe7
Qxe7
10.
Qc1
Bd7
11.
Nc3
Nxc3
12.
Qxc3
Be8
13.
Ne1
f4
14.
e4
e5
15.
exd5
Nxd4
16.
Nc2
c5
17.
f3
Qf6
18.
Nxd4
exd4
19.
Qc2
g6
20.
Rae1
Bd7
21.
Re4
Bf5
22.
Re2
Rae8
23.
Be4
Re5
24.
Rfe1
Rfe8
25.
Bxf5
gxf5
26.
Rxe5
Rxe5
27.
Rxe5
Qxe5
28.
Qd2
1/2-1/2
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Event
Site
Leiden
Date
1970.04.??
Round
2
White
Donner, Jan Hein
Black
Result
1/2-1/2
Score
[Event "Leiden"] [Site "Leiden"] [Date "1970.04.??"] [Round "2"] [White "Donner, Jan Hein"] [Black "Botvinnik, Mikhail"] [Result "1/2-1/2"] 1. d4 e6 2. c4 f5 3. e3 Nf6 4. Bd3 d5 5. Nf3 Be7 6. O-O O-O 7. b3 Ne4 8. Ba3 Nc6 9. Bxe7 Qxe7 10. Qc1 Bd7 11. Nc3 Nxc3 12. Qxc3 Be8 13. Ne1 f4 14. e4 e5 15. exd5 Nxd4 16. Nc2 c5 17. f3 Qf6 18. Nxd4 exd4 19. Qc2 g6 20. Rae1 Bd7 21. Re4 Bf5 22. Re2 Rae8 23. Be4 Re5 24. Rfe1 Rfe8 25. Bxf5 gxf5 26. Rxe5 Rxe5 27. Rxe5 Qxe5 28. Qd2 1/2-1/2