| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. C Astengo vs R Genne |
 | 1-0 | 11 | 1992 | Ticino | A40 Queen's Pawn Game |
| 2. G Meszaros vs C Astengo |
| 1-0 | 24 | 1994 | Ticino op | B12 Caro-Kann Defense |
| 3. T Markowski vs C Astengo |
| 1-0 | 36 | 1995 | Geneve op | A01 Nimzovich-Larsen Attack |
| 4. A David vs C Astengo |
| 1-0 | 43 | 1996 | Geneve Open | B53 Sicilian |
| 5. C Astengo vs A Wolff |
| 1-0 | 25 | 1996 | Geneve Open | D15 Queen's Gambit Declined Slav |
| 6. A Domont vs C Astengo |
| 1-0 | 37 | 1996 | Geneve Open | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 7. C Astengo vs P Horn |
| 0-1 | 47 | 1996 | Geneve Open | B06 Robatsch |
| 8. C Astengo vs V Kraft |
| ½-½ | 25 | 1996 | Geneve Open | E63 King's Indian, Fianchetto, Panno Variation |
| 9. P Chenaux vs C Astengo |
| 1-0 | 75 | 1996 | Geneve Open | D37 Queen's Gambit Declined |
| 10. C Astengo vs T Beck |
| 1-0 | 41 | 1996 | Geneve Open | A35 English, Symmetrical |
| 11. L Pinkus vs C Astengo |
| 0-1 | 51 | 1996 | Geneve Open | B22 Sicilian, Alapin |
| 12. C Astengo vs C Bieri |
| ½-½ | 28 | 1996 | Geneve Open | A15 English |
| 13. V M Vehi Bach vs C Astengo |
| 1-0 | 39 | 1996 | Groningen Open | B90 Sicilian, Najdorf |
| 14. A Payen vs C Astengo |
| 0-1 | 32 | 1996 | Groningen Open | B92 Sicilian, Najdorf, Opocensky Variation |
| 15. M Godena vs C Astengo |
| 1-0 | 30 | 1998 | Genova op | B50 Sicilian |
| 16. C Astengo vs S Drazic |
| 0-1 | 32 | 1998 | Bratto Open | B43 Sicilian, Kan, 5.Nc3 |
| 17. L R Ragonese vs C Astengo |
| 0-1 | 21 | 1998 | Bratto Open | A46 Queen's Pawn Game |
| 18. C Astengo vs R Todor |
| ½-½ | 24 | 1998 | Bratto Open | B56 Sicilian |
| 19. G Machin vs C Astengo |
| 0-1 | 30 | 1998 | Bratto Open | B90 Sicilian, Najdorf |
| 20. C Astengo vs P Battaggia |
| ½-½ | 10 | 1998 | Bratto Open | B98 Sicilian, Najdorf |
| 21. C Astengo vs F Bellia |
| 0-1 | 33 | 1998 | Bratto Open | C77 Ruy Lopez |
| 22. A Bossi vs C Astengo |
| 0-1 | 41 | 1998 | Bratto Open | B50 Sicilian |
| 23. C Astengo vs I Efimov |
| 0-1 | 39 | 1998 | Bratto Open | B56 Sicilian |
| 24. M Lapiccirella vs C Astengo |
| ½-½ | 19 | 1998 | Bratto Open | E38 Nimzo-Indian, Classical, 4...c5 |
| 25. C Astengo vs E Arlandi |
| 0-1 | 48 | 1999 | Geneva Open | B82 Sicilian, Scheveningen |
Kibitzing
