| page 1 of 1; 22 games |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. G Pfeiffer vs Kieninger |
| ½-½ | 14 |
1941 |
GER-ch | C71 Ruy Lopez |
| 2. G Pfeiffer vs M Brunoehler |
| 1-0 | 57 |
1941 |
GER-ch | C70 Ruy Lopez |
| 3. G Pfeiffer vs Lokvenc |
| ½-½ | 33 |
1941 |
GER-ch | C66 Ruy Lopez |
| 4. G Pfeiffer vs Cortlever |
| ½-½ | 27 |
1950 |
Dubrovnik olm | C77 Ruy Lopez |
| 5. G Pfeiffer vs B Milic |
| ½-½ | 73 |
1950 |
Bled it | C77 Ruy Lopez |
| 6. G Pfeiffer vs Puc |
 | 1-0 | 71 |
1950 |
Bled it | C75 Ruy Lopez, Modern Steinitz Defense |
| 7. G Pfeiffer vs Pachman |
| ½-½ | 89 |
1952 |
Helsinki ol (Men) | C65 Ruy Lopez, Berlin Defense |
| 8. G Pfeiffer vs Blau |
| 1-0 | 26 |
1952 |
SUI-GER | C75 Ruy Lopez, Modern Steinitz Defense |
| 9. G Pfeiffer vs Ojanen |
| 0-1 | 66 |
1952 |
Helsinki ol (Men) | C90 Ruy Lopez, Closed |
| 10. G Pfeiffer vs O Benkner |
| 1-0 | 26 |
1952 |
Helsinki ol (Men) | C90 Ruy Lopez, Closed |
| 11. G Pfeiffer vs E Cobo Arteaga |
| 1-0 | 47 |
1952 |
Helsinki ol (Men) | C77 Ruy Lopez |
| 12. G Pfeiffer vs Gligoric |
| 0-1 | 38 |
1954 |
Amsterdam ol (Men) fin-A | C84 Ruy Lopez, Closed |
| 13. G Pfeiffer vs L Sanchez |
| ½-½ | 43 |
1954 |
Amsterdam ol (Men) | C84 Ruy Lopez, Closed |
| 14. G Pfeiffer vs Tringov |
| 1-0 | 44 |
1956 |
Moscow ol (Men) fin-A | C84 Ruy Lopez, Closed |
| 15. G Pfeiffer vs Heinrich |
| ½-½ | 36 |
1957 |
Bad Neuenahr | C78 Ruy Lopez |
| 16. G Pfeiffer vs Sliwa |
| ½-½ | 16 |
1957 |
Zonal tournament, Sofia | C84 Ruy Lopez, Closed |
| 17. G Pfeiffer vs G Barcza |
| ½-½ | 35 |
1957 |
Zonal tournament, Sofia | C70 Ruy Lopez |
| 18. G Pfeiffer vs O Neikirch |
| 1-0 | 57 |
1957 |
Zonal tournament, Sofia | C84 Ruy Lopez, Closed |
| 19. G Pfeiffer vs Jager |
| ½-½ | 29 |
1957 |
Bad Neuenahr | C78 Ruy Lopez |
| 20. G Pfeiffer vs D Isaacson |
| 1-0 | 41 |
1958 |
13th olm qual. group 2 | C77 Ruy Lopez |
| 21. G Pfeiffer vs Lokvenc |
| ½-½ | 89 |
1958 |
13th olm final A | C84 Ruy Lopez, Closed |
| 22. G Pfeiffer vs J Fichtl |
| ½-½ | 26 |
1958 |
13th olm final A | C64 Ruy Lopez, Classical |
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| page 1 of 1; 22 games |
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Secrets of Opening Surprises
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