| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. K Helling vs Y Porat |
| 1-0 | 34 |
1929 |
DSB-26.Kongress | A47 Queen's Indian |
| 2. Rellstab vs Y Porat |
| 1-0 | 52 |
1931 |
27. DSB Kongress | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 3. L Engels vs Y Porat |
| 1-0 | 47 |
1931 |
27. DSB Kongress | C11 French |
| 4. Saemisch vs Y Porat |
| 1-0 | 31 |
1931 |
27. DSB Kongress | E35 Nimzo-Indian, Classical, Noa Variation, 5.cd ed |
| 5. Y Porat vs G Weissgerber |
 | 0-1 | 32 |
1931 |
27. DSB Kongress | C59 Two Knights |
| 6. Keres vs Y Porat |
| 1-0 | 42 |
1935 |
Warszawa ol | C02 French, Advance |
| 7. Y Porat vs L Steiner |
| 0-1 | 33 |
1935 |
Olympiad | D12 Queen's Gambit Declined Slav |
| 8. Y Porat vs Alekhine |
| 0-1 | 25 |
1935 |
Warsaw ol (03) | A04 Reti Opening |
| 9. Fine vs Y Porat |
| 1-0 | 44 |
1935 |
Olympiad, Warsaw (Poland) | E27 Nimzo-Indian, Samisch Variation |
| 10. E Andersen vs Y Porat |
| 1-0 | 37 |
1935 |
Olympiad | A47 Queen's Indian |
| 11. M Czerniak vs Y Porat |
| 1-0 | 24 |
1936 |
Jerusalem ISR | C11 French |
| 12. Najdorf vs Y Porat |
| 1-0 | 51 |
1939 |
Buenos Aires ol f-A ;HCL 37 | E34 Nimzo-Indian, Classical, Noa Variation |
| 13. V Castaldi vs Y Porat |
| 1-0 | 59 |
1947 |
Zonal | C07 French, Tarrasch |
| 14. C Doerner vs Y Porat |
| 1-0 | 43 |
1947 |
Zonal | A15 English |
| 15. O'Kelly vs Y Porat |
| 1-0 | 67 |
1947 |
Hilversum (Netherlands) | E37 Nimzo-Indian, Classical |
| 16. Y Porat vs K Plater |
| 0-1 | 54 |
1947 |
Zonal | E32 Nimzo-Indian, Classical |
| 17. Pachman vs Y Porat |
| 1-0 | 73 |
1947 |
Zonal | D35 Queen's Gambit Declined |
| 18. Bronstein vs Y Porat |
| 1-0 | 49 |
1952 |
Helsinki olympiad prel | E59 Nimzo-Indian, 4.e3, Main line |
| 19. E Pedersen vs Y Porat |
| 1-0 | 52 |
1952 |
Helsinki ol (Men) | B71 Sicilian, Dragon, Levenfish Variation |
| 20. R Byrne vs Y Porat |
| 1-0 | 46 |
1952 |
Helsinki ol (Men) prel-C | C13 French |
| 21. Y Porat vs K Plater |
| 0-1 | 40 |
1952 |
Helsinki ol (Men) | E60 King's Indian Defense |
| 22. Najdorf vs Y Porat |
| 1-0 | 26 |
1954 |
Amsterdam | A15 English |
| 23. Euwe vs Y Porat |
| 1-0 | 53 |
1954 |
Amsterdam | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 24. C H Alexander vs Y Porat |
| 1-0 | 62 |
1954 |
Amsterdam ol (Men) | C02 French, Advance |
| 25. Y Porat vs F Olafsson |
| 0-1 | 48 |
1954 |
Amsterdam ol (Men) | E22 Nimzo-Indian, Spielmann Variation |
