| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A Murillo vs J Picado |
| ½-½ | 65 | 2003 | San Salvador Open | D45 Queen's Gambit Declined Semi-Slav |
| 27. F Hernandez Basante vs A Murillo |
| 1-0 | 52 | 2005 | LXVIII ch-CRC | A46 Queen's Pawn Game |
| 28. A Murillo vs R Arias Formoso |
| 0-1 | 37 | 2005 | LXVIII ch-CRC | B17 Caro-Kann, Steinitz Variation |
| 29. A Murillo vs C Granados |
| ½-½ | 10 | 2005 | LXVIII ch-CRC | E92 King's Indian |
| 30. N Martinez vs A Murillo |
| 1-0 | 54 | 2005 | Internacional Alajuela | C01 French, Exchange |
| 31. L Valdes vs A Murillo |
| 0-1 | 58 | 2005 | Internacional Alajuela | A06 Reti Opening |
| 32. W Arencibia Rodriguez vs A Murillo |
| ½-½ | 32 | 2005 | zt 2.3 | D37 Queen's Gambit Declined |
| 33. M Mwanza vs A Murillo |
| ½-½ | 38 | 2006 | Turin Olympiad | C02 French, Advance |
| 34. D Popovic vs A Murillo |
| 1-0 | 32 | 2006 | Turin Olympiad | C05 French, Tarrasch |
| 35. A Murillo vs M Maia |
| 1-0 | 49 | 2006 | Turin Olympiad | C09 French, Tarrasch, Open Variation, Main line |
| 36. A Murillo vs Z Byambaa |
| 0-1 | 48 | 2006 | Turin Olympiad | B08 Pirc, Classical |
| 37. A Murillo vs R Garcia Paolicchi |
| 1-0 | 29 | 2006 | Turin Olympiad | B43 Sicilian, Kan, 5.Nc3 |
| 38. F Castaldo vs A Murillo |
 | 1-0 | 24 | 2006 | Turin Olympiad | C05 French, Tarrasch |
| 39. P Wang vs A Murillo |
| 1-0 | 50 | 2006 | Turin Olympiad | D04 Queen's Pawn Game |
| 40. A Murillo vs R Lacayo |
| ½-½ | 57 | 2006 | Turin Olympiad | D30 Queen's Gambit Declined |
| 41. J Chuah vs A Murillo |
| 1-0 | 26 | 2006 | Turin Olympiad | C00 French Defense |
| 42. C Reyes Najera vs A Murillo |
| 0-1 | 72 | 2006 | Turin Olympiad | A37 English, Symmetrical |
| 43. A Murillo vs N Delgado Ramirez |
| 0-1 | 59 | 2009 | Torneo Zonal FIDE 2.3 Masculino | E46 Nimzo-Indian |
| 44. L Arias vs A Murillo |
| 1-0 | 23 | 2009 | Torneo Zonal FIDE 2.3 Masculino | C10 French |
| 45. L Bruzon Batista vs A Murillo |
| 1-0 | 25 | 2009 | Torneo Zonal FIDE 2.3 Masculino | D37 Queen's Gambit Declined |
| 46. A Murillo vs Iturrizaga Bonelli |
| 0-1 | 46 | 2009 | Torneo Zonal FIDE 2.3 Masculino | E59 Nimzo-Indian, 4.e3, Main line |
| 47. Macieja vs A Murillo |
| 1-0 | 43 | 2012 | Istanbul Olympiad | D37 Queen's Gambit Declined |
| 48. A Murillo vs S Hautot |
| ½-½ | 54 | 2012 | Istanbul Olympiad | A06 Reti Opening |
| 49. A S Rasmussen vs A Murillo |
| 0-1 | 32 | 2012 | Istanbul Olympiad | C11 French |
| 50. A Murillo vs M Novkovic |
| 0-1 | 67 | 2012 | Istanbul Olympiad | D30 Queen's Gambit Declined |
Kibitzing
