| 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. Y Porat vs K Helling |
| 1-0 | 51 |
1931 |
27. DSB Kongress | A26 English |
| 3. Rellstab vs Y Porat |
| 1-0 | 52 |
1931 |
27. DSB Kongress | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 4. L Engels vs Y Porat |
| 1-0 | 47 |
1931 |
27. DSB Kongress | C11 French |
| 5. Y Porat vs B Moritz |
| 1-0 | 33 |
1931 |
27. DSB Kongress | C53 Giuoco Piano |
| 6. Saemisch vs Y Porat |
| 1-0 | 31 |
1931 |
27. DSB Kongress | E35 Nimzo-Indian, Classical, Noa Variation, 5.cd ed |
| 7. Y Porat vs R Grau |
| 1-0 | 51 |
1935 |
Olympiad | A06 Reti Opening |
| 8. Y Porat vs V Mikenas |
| 1-0 | 24 |
1935 |
Olympiad | A04 Reti Opening |
| 9. Keres vs Y Porat |
 | 1-0 | 42 |
1935 |
Warszawa ol | C02 French, Advance |
| 10. E Andersen vs Y Porat |
| 1-0 | 37 |
1935 |
Olympiad | A47 Queen's Indian |
| 11. Fine vs Y Porat |
| 1-0 | 44 |
1935 |
Olympiad, Warsaw (Poland) | E27 Nimzo-Indian, Samisch Variation |
| 12. M Czerniak vs Y Porat |
| 1-0 | 24 |
1936 |
Jerusalem ISR | C11 French |
| 13. Najdorf vs Y Porat |
| 1-0 | 51 |
1939 |
Buenos Aires ol f-A ;HCL 37 | E34 Nimzo-Indian, Classical, Noa Variation |
| 14. Y Porat vs Keres |
| 1-0 | 60 |
1939 |
Buenos Aires ol-fin | A04 Reti Opening |
| 15. Y Porat vs M Czerniak |
| 1-0 | 45 |
1939 |
Tel Aviv ISR | A04 Reti Opening |
| 16. Y Porat vs A De Groot |
| 1-0 | 41 |
1939 |
Buenos Aires ol (Men) f-A | D80 Grunfeld |
| 17. Pachman vs Y Porat |
| 1-0 | 73 |
1947 |
Zonal | D35 Queen's Gambit Declined |
| 18. Y Porat vs A Tsvetkov |
| 1-0 | 44 |
1947 |
Zonal | E38 Nimzo-Indian, Classical, 4...c5 |
| 19. O'Kelly vs Y Porat |
| 1-0 | 67 |
1947 |
Hilversum (Netherlands) | E37 Nimzo-Indian, Classical |
| 20. V Castaldi vs Y Porat |
| 1-0 | 59 |
1947 |
Zonal | C07 French, Tarrasch |
| 21. C Doerner vs Y Porat |
| 1-0 | 43 |
1947 |
Zonal | A15 English |
| 22. E Pedersen vs Y Porat |
| 1-0 | 52 |
1952 |
Helsinki ol (Men) | B71 Sicilian, Dragon, Levenfish Variation |
| 23. Y Porat vs Ugo Cala |
| 1-0 | 44 |
1952 |
Helsinki ol (Men) | D69 Queen's Gambit Declined, Orthodox Defense, Classical, 13.de |
| 24. R Byrne vs Y Porat |
| 1-0 | 46 |
1952 |
Helsinki ol (Men) prel-C | C13 French |
| 25. Y Porat vs F Mastichiadis |
| 1-0 | 42 |
1952 |
Helsinki ol (Men) | A12 English with b3 |
