| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. F Cebada Benitez vs H Zygouris |
 | 0-1 | 30 | 2011 | Gibraltar Masters | B84 Sicilian, Scheveningen |
| 27. H Zygouris vs P Cramling |
| ½-½ | 42 | 2011 | Gibraltar Masters | B32 Sicilian |
| 28. J P McKenna vs H Zygouris |
| 0-1 | 38 | 2011 | Gibraltar Masters | C11 French |
| 29. H Zygouris vs P Dittmar |
| 1-0 | 41 | 2011 | Gibraltar Masters | A13 English |
| 30. E Fernandez Romero vs H Zygouris |
| ½-½ | 47 | 2011 | Gibraltar Masters | B01 Scandinavian |
| 31. G Spyropoulos vs H Zygouris |
| 1-0 | 29 | 2011 | 39th Greek Teams | B40 Sicilian |
| 32. H Zygouris vs D Skirianoglou |
| 1-0 | 34 | 2011 | 39th Greek Teams | A07 King's Indian Attack |
| 33. N Stefanatos vs H Zygouris |
| 0-1 | 30 | 2011 | 39th Greek Teams | A88 Dutch, Leningrad, Main Variation with c6 |
| 34. H Zygouris vs K Tsiamis |
| ½-½ | 25 | 2011 | 39th Greek Teams | A16 English |
| 35. I Georgiadis vs H Zygouris |
| 1-0 | 35 | 2011 | 39th Greek Teams | C41 Philidor Defense |
| 36. H Zygouris vs T Lirindzakis |
| 1-0 | 40 | 2011 | 39th Greek Teams | A11 English, Caro-Kann Defensive System |
| 37. H Zygouris vs S Ilandzis |
| 1-0 | 45 | 2011 | 39th Greek Teams | A10 English |
| 38. L Cernousek vs H Zygouris |
| 0-1 | 64 | 2012 | Gibraltar Masters | E04 Catalan, Open, 5.Nf3 |
| 39. H Zygouris vs R Felgaer |
| 0-1 | 19 | 2012 | Gibraltar Masters | A20 English |
| 40. F de Cresce El Debs vs H Zygouris |
| 1-0 | 39 | 2012 | Gibraltar Masters | E21 Nimzo-Indian, Three Knights |
| 41. H Zygouris vs A A Lopez |
| 0-1 | 28 | 2012 | Gibraltar Masters | A13 English |
| 42. A Conflitti vs H Zygouris |
| 0-1 | 29 | 2012 | Gibraltar Masters | B13 Caro-Kann, Exchange |
| 43. H Zygouris vs H Mortensen |
| 1-0 | 24 | 2012 | Gibraltar Masters | A37 English, Symmetrical |
| 44. Korchnoi vs H Zygouris |
| 1-0 | 45 | 2012 | Gibraltar Masters | D37 Queen's Gambit Declined |
| 45. H Zygouris vs M Kandic |
| 1-0 | 28 | 2012 | Gibraltar Masters | A20 English |
| 46. N Huschenbeth vs H Zygouris |
| 1-0 | 48 | 2012 | Gibraltar Masters | A01 Nimzovich-Larsen Attack |
| 47. H Zygouris vs M Yurenok |
| 1-0 | 33 | 2012 | Gibraltar Masters | B10 Caro-Kann |
| 48. Ivanchuk vs H Zygouris |
 | ½-½ | 31 | 2013 | Gibraltar Masters | D50 Queen's Gambit Declined |
| 49. H Zygouris vs L J Kang |
| 1-0 | 57 | 2013 | Gibraltar Masters | A15 English |
| 50. H Dronavalli vs H Zygouris |
| 1-0 | 29 | 2013 | Gibraltar Masters | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
Kibitzing
