1.
c4
c5
2.
Nc3
Nf6
3.
Nf3
d5
4.
d4
e6
5.
cxd5
Nxd5
6.
e3
Nc6
7.
Bc4
Nf6
8.
O-O
Be7
9.
Qe2
O-O
10.
Rd1
Qc7
11.
b3
a6
12.
Bb2
b5
13.
Bd3
Nb4
14.
Bb1
Bb7
15.
Ne5
Rfd8
16.
a3
cxd4
17.
exd4
Nbd5
18.
Nxd5
Bxd5
19.
Rd3
Rac8
20.
Rh3
g6
21.
Rg3
Nh5
22.
Bxg6
Nxg3
23.
Bxf7+
Kh8
24.
hxg3
Bf6
25.
Qh5
Bxe5
26.
dxe5
Rf8
27.
Bg6
Qg7
28.
Bd3
Bxb3
29.
Rc1
Bc4
30.
Bxc4
Rxc4
31.
Rd1
Qf7
32.
Qxf7
Rxf7
33.
Bc1
Kg7
34.
Bg5
Rfc7
35.
Rd8
Kg6
36.
Bf6
Rc8
37.
Rd7
R4c7
38.
Rd6
Rc1+
39.
Kh2
Ra1
40.
g4
Rxa3
41.
Rxe6
Ra4
42.
Kg3
Rg8
43.
f4
h5
44.
Bg5+
Kf7
45.
Rf6+
Ke8
46.
gxh5
Kd7
47.
h6
b4
48.
e6+
Kd6
49.
h7
Rh8
50.
e7+
Kd7
51.
Rf8
Ra3+
52.
Kg4
1-0
Opening Explorer
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Site
Mar del Plata
Date
1969.04.02
Round
11
White
Schweber, Samuel
Black
Riego Prieto, Victorio
Result
1-0
Score
[Event "Zonal-8 South America (MdP-28)"] [Site "Mar del Plata"] [Date "1969.04.02"] [Round "11"] [White "Schweber, Samuel"] [Black "Riego Prieto, Victorio"] [Result "1-0"] [EventArchiveKey "south-american-zonal-mar-del-plata-1969"] 1. c4 c5 2. Nc3 Nf6 3. Nf3 d5 4. d4 e6 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nf6 8. O-O Be7 9. Qe2 O-O 10. Rd1 Qc7 11. b3 a6 12. Bb2 b5 13. Bd3 Nb4 14. Bb1 Bb7 15. Ne5 Rfd8 16. a3 cxd4 17. exd4 Nbd5 18. Nxd5 Bxd5 19. Rd3 Rac8 20. Rh3 g6 21. Rg3 Nh5 22. Bxg6 Nxg3 23. Bxf7+ Kh8 24. hxg3 Bf6 25. Qh5 Bxe5 26. dxe5 Rf8 27. Bg6 Qg7 28. Bd3 Bxb3 29. Rc1 Bc4 30. Bxc4 Rxc4 31. Rd1 Qf7 32. Qxf7 Rxf7 33. Bc1 Kg7 34. Bg5 Rfc7 35. Rd8 Kg6 36. Bf6 Rc8 37. Rd7 R4c7 38. Rd6 Rc1+ 39. Kh2 Ra1 40. g4 Rxa3 41. Rxe6 Ra4 42. Kg3 Rg8 43. f4 h5 44. Bg5+ Kf7 45. Rf6+ Ke8 46. gxh5 Kd7 47. h6 b4 48. e6+ Kd6 49. h7 Rh8 50. e7+ Kd7 51. Rf8 Ra3+ 52. Kg4 1-0