| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. F Castaldo vs A Caoili |
| 1-0 | 29 | 2000 | Aosta Valley Open | B22 Sicilian, Alapin |
| 27. F Castaldo vs N Pert |
| 0-1 | 32 | 2000 | European Junior Championship | C05 French, Tarrasch |
| 28. B Bruned vs F Castaldo |
| 0-1 | 28 | 2000 | European Junior Championship | B44 Sicilian |
| 29. J Fluvia Poyatos vs F Castaldo |
| ½-½ | 55 | 2000 | European Junior Championship | C05 French, Tarrasch |
| 30. F Castaldo vs S Bekker-Jensen |
| 0-1 | 63 | 2000 | European Junior Championship | B22 Sicilian, Alapin |
| 31. R Reinaldo Castineira vs F Castaldo |
| 1-0 | 28 | 2000 | European Junior Championship | A45 Queen's Pawn Game |
| 32. F Castaldo vs I Andres Gonzalez |
| ½-½ | 25 | 2000 | European Junior Championship | B30 Sicilian |
| 33. E Isik vs F Castaldo |
| 0-1 | 34 | 2000 | European Junior Championship | B49 Sicilian, Taimanov Variation |
| 34. F Castaldo vs M Perez Candelario |
| ½-½ | 29 | 2000 | European Junior Championship | B01 Scandinavian |
| 35. D Bucher vs F Castaldo |
| ½-½ | 21 | 2000 | European Junior Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 36. F Castaldo vs M Navarro Cia |
| 0-1 | 43 | 2000 | European Junior Championship | B02 Alekhine's Defense |
| 37. B Tomic vs F Castaldo |
| ½-½ | 7 | 2000 | European Junior Championship | A39 English, Symmetrical, Main line with d4 |
| 38. I Efimov vs F Castaldo |
| 1-0 | 32 | 2000 | Italian Championship | E12 Queen's Indian |
| 39. G Aglietti vs F Castaldo |
| 0-1 | 44 | 2001 | Eporediese op | B22 Sicilian, Alapin |
| 40. F Castaldo vs S del Rio de Angelis |
| 1-0 | 21 | 2001 | Valle d'Aosta Open | B22 Sicilian, Alapin |
| 41. F Castaldo vs I Rogers |
| 0-1 | 23 | 2001 | Valle d'Aosta Open | C01 French, Exchange |
| 42. C Rossi vs F Castaldo |
| 1-0 | 23 | 2001 | Valle d'Aosta Open | C00 French Defense |
| 43. P Vezzosi vs F Castaldo |
| 1-0 | 28 | 2001 | Valle d'Aosta Open | D55 Queen's Gambit Declined |
| 44. P Smirnov vs F Castaldo |
| 1-0 | 27 | 2001 | European Junior Championship | B46 Sicilian, Taimanov Variation |
| 45. F Castaldo vs K Georgiou |
| 1-0 | 44 | 2001 | European Junior Championship | A15 English |
| 46. E Paljusaj vs F Castaldo |
| ½-½ | 23 | 2001 | European Junior Championship | C10 French |
| 47. F Castaldo vs K Tsiamis |
| ½-½ | 20 | 2001 | European Junior Championship | D02 Queen's Pawn Game |
| 48. M Ginzburg vs F Castaldo |
| ½-½ | 24 | 2001 | European Junior Championship | A07 King's Indian Attack |
| 49. F Castaldo vs A Lazar |
| 1-0 | 54 | 2001 | European Junior Championship | B40 Sicilian |
| 50. K Haznedaroglu vs F Castaldo |
| ½-½ | 24 | 2001 | European Junior Championship | C12 French, McCutcheon |
Kibitzing
