1.
d4
Nf6
2.
c4
e6
3.
Nc3
Bb4
4.
Bg5
c5
5.
d5
exd5
6.
cxd5
d6
7.
e3
Bf5
8.
Qf3
Bg6
9.
Bb5+
Nbd7
10.
h4
h6
11.
Bxf6
Qxf6
12.
Qxf6
gxf6
13.
Ne2
a6
14.
Bxd7+
Kxd7
15.
O-O-O
Bh5
16.
f3
f5
17.
Nf4
Bg6
18.
Rhe1
Rae8
19.
Re2
Re7
20.
Rh1
h5
21.
Rh3
Ree8
22.
Rg3
Rhg8
23.
Nd1
Ba5
24.
Nf2
Bd8
25.
Rh3
Bf6
26.
Rh1
Re7
27.
N2d3
Rge8
28.
Kd2
c4
29.
Nxg6
fxg6
30.
Nf4
Bxb2
31.
Nxg6
c3+
32.
Kd3
Rh7
33.
Nf4
b5
34.
Kc2
a5
35.
Nd3
Rhe7
36.
Nxb2
cxb2
37.
Rhe1
Re5
38.
e4
fxe4
39.
fxe4
Rg8
40.
Kd3
Rg4
41.
Rxb2
b4
42.
Rf2
Kc7
43.
Rf7+
Kb6
44.
a4
Rxg2
45.
Rc1
Rg3+
46.
Kd4
Rc3
47.
Rxc3
bxc3
48.
Rd7
Re6
49.
dxe6
c2
50.
Rxd6+
Kc7
51.
Rd5
c1=Q
52.
Rc5+
Qxc5+
53.
Kxc5
Kc8
54.
Kc6
Kd8
1-0
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Event
World U20-ch03 Preliminaries B
Site
Antwerp
Date
1955.07.21
Round
1
White
Black
Donia, M
Result
1-0
Score
[Event "World U20-ch03 Preliminaries B"] [Site "Antwerp"] [Date "1955.07.21"] [Round "1"] [White "Portisch, Lajos"] [Black "Donia, M"] [Result "1-0"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. d5 exd5 6. cxd5 d6 7. e3 Bf5 8. Qf3 Bg6 9. Bb5+ Nbd7 10. h4 h6 11. Bxf6 Qxf6 12. Qxf6 gxf6 13. Ne2 a6 14. Bxd7+ Kxd7 15. O-O-O Bh5 16. f3 f5 17. Nf4 Bg6 18. Rhe1 Rae8 19. Re2 Re7 20. Rh1 h5 21. Rh3 Ree8 22. Rg3 Rhg8 23. Nd1 Ba5 24. Nf2 Bd8 25. Rh3 Bf6 26. Rh1 Re7 27. N2d3 Rge8 28. Kd2 c4 29. Nxg6 fxg6 30. Nf4 Bxb2 31. Nxg6 c3+ 32. Kd3 Rh7 33. Nf4 b5 34. Kc2 a5 35. Nd3 Rhe7 36. Nxb2 cxb2 37. Rhe1 Re5 38. e4 fxe4 39. fxe4 Rg8 40. Kd3 Rg4 41. Rxb2 b4 42. Rf2 Kc7 43. Rf7+ Kb6 44. a4 Rxg2 45. Rc1 Rg3+ 46. Kd4 Rc3 47. Rxc3 bxc3 48. Rd7 Re6 49. dxe6 c2 50. Rxd6+ Kc7 51. Rd5 c1=Q 52. Rc5+ Qxc5+ 53. Kxc5 Kc8 54. Kc6 Kd8 1-0