WchT U26 prel-1 13th
Oerebro 1966
| Date | Players | Type | Elo Average | Games | Rounds |
| Jul, 1966 | 16 | Team | 12 | 3 |
| Name | ELO | Points | ||
 |
GM Tukmakov, Vladimir B | 2.0 | ||
|
GM Kuzmin, Gennadi P | 1.5 | ||
| Brander, Ilmari | 1.0 | |||
|
FM Brostrom, Goran | 1.0 | ||
 |
GM Westerinen, Heikki MJ | 1.0 | ||
 |
IM Kapengut, Albert Z | 1.0 | ||
|
GM Gulko, Boris | 1.0 | ||
| Johansson, Sture | 0.5 | |||
| Hankipohja, Antti | 0.5 | |||
|
Krantz, Kjell | 0.5 | ||
|
Porrasmaa, Timo | 0.5 | ||
|
FM Nordstrom, Felix | 0.5 | ||
| Buchman, E. | 0.5 | |||
| Savon, Vladimir A | 0.5 | |||
| Platzack, Sven | 0.0 | |||
|
FM Sirkia, Mauri O | 0.0 | ||
WchT U26 prel-1 13th Games
| White | Black | Result | Round | Date | Opening | View |
| Brander, I | Brostrom, G | ½-½  |
1 | 1966 | E15 Queen's Indian, 4.g3 |   |
| Johansson, S | Hankipohja, A | ½-½ |
1 | 1966 | C04 French, Tarrasch, Guimard main line |   |
| Krantz, K | Westerinen, H | ½-½ |
1 | 1966 | B35 Sicilian, accelerated fianchetto, modern variation with Bc4 | |
| Porrasmaa, T | Nordstrom, F | ½-½ |
1 | 1966 | E20 Nimzo-Indian defence | |
| Brostrom, G | Buchman, E | ½-½ |
2 | 1966 | E91 King's Indian, 6.Be2 | |
| Kapengut, A | Nordstrom, F | 1-0 |
2 | 1966 | D40 Queen's Gambit Declined, Semi-Tarrasch defence | |
| Kuzmin, G | Krantz, K | 1-0 |
2 | 1966 | E88 King's Indian, Saemisch, orthodox, 7.d5 c6 | |
| Platzack, S | Tukmakov, V | 0-1 |
2 | 1966 | A03 Bird's opening | |
| Hankipohja, A | Gulko, B | 0-1 |
3 | 1966 | B24 Sicilian, closed | |
| Kuzmin, G | Brander, I | ½-½ |
3 | 1966 | C10 French, Paulsen variation | |
| Tukmakov, V | Sirkia, M | 1-0 |
3 | 1966 | E70 King's Indian, 4.e4 | |
| Westerinen, H | Savon, V | ½-½ |
3 | 1966 | B42 Sicilian, Kan, 5.Bd3 | |