Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. A Frank vs C Astengo |
| ½-½ | 51 | 1999 | Geneva Open | A15 English |
27. C Astengo vs G Lukasiewicz |
| 0-1 | 55 | 1999 | Geneva Open | B32 Sicilian |
28. A Leib vs C Astengo |
| 0-1 | 35 | 1999 | Geneva Open | B96 Sicilian, Najdorf |
29. C Astengo vs P Horn |
| ½-½ | 86 | 1999 | Geneva Open | B03 Alekhine's Defense |
30. J Olivier vs C Astengo |
| 1-0 | 49 | 1999 | Geneva Open | B90 Sicilian, Najdorf |
31. C Astengo vs P Jagstaidt |
| 1-0 | 41 | 1999 | Geneva Open | C03 French, Tarrasch |
32. B Buehler vs C Astengo |
| ½-½ | 68 | 1999 | Geneva Open | E19 Queen's Indian, Old Main line, 9.Qxc3 |
33. N Ambrosini vs C Astengo |
| ½-½ | 19 | 1999 | Geneva Open | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
34. A Lugovoi vs C Astengo |
| 1-0 | 40 | 1999 | Saint Vincent Open | E41 Nimzo-Indian |
35. C Astengo vs D Genocchio |
| 1-0 | 27 | 1999 | Saint Vincent Open | B32 Sicilian |
36. N Giffard vs C Astengo |
 | 1-0 | 33 | 1999 | Groningen Open | A14 English |
37. G Aglietti vs C Astengo |
| ½-½ | 28 | 2000 | Corsico op | B22 Sicilian, Alapin |
38. C Astengo vs R Arbinger |
| ½-½ | 35 | 2000 | Biel MTO op | B07 Pirc |
39. C Astengo vs M Godena |
| 0-1 | 29 | 2001 | Milan Crespi op 22nd | C46 Three Knights |
40. C Astengo vs R Zelcic |
| ½-½ | 49 | 2001 | Valle d'Aosta Open | B03 Alekhine's Defense |
41. V Bukal Sr vs C Astengo |
| 1-0 | 35 | 2001 | Pula Open | D45 Queen's Gambit Declined Semi-Slav |
42. S Gromovs vs C Astengo |
| 0-1 | 47 | 2001 | ITA-ch61 sf | D10 Queen's Gambit Declined Slav |
43. E Vovsha vs C Astengo |
| 1-0 | 27 | 2001 | Biel MTO Open | B90 Sicilian, Najdorf |
44. C Astengo vs A Adly |
| 0-1 | 28 | 2001 | Biel MTO Open | B96 Sicilian, Najdorf |
45. J Kolly vs C Astengo |
| 0-1 | 53 | 2001 | Biel MTO Open | D19 Queen's Gambit Declined Slav, Dutch |
46. C Astengo vs S Sarno |
| ½-½ | 29 | 2001 | Bratto Open-A | B07 Pirc |
47. H Koskinen vs C Astengo |
| ½-½ | 37 | 2001 | Bratto Open-A | A04 Reti Opening |
48. C Astengo vs A Everet |
| 1-0 | 67 | 2001 | Bratto Open-A | A00 Uncommon Opening |
49. C Astengo vs S Tatai |
| 0-1 | 48 | 2001 | Bratto Open-A | C46 Three Knights |
50. A Zichichi vs C Astengo |
| ½-½ | 49 | 2001 | Bratto Open-A | D00 Queen's Pawn Game |