| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. D Krumpacnik vs M Guid |
| 1-0 | 22 | 1997 | Feldbach Open 1996/97 | A48 King's Indian |
| 27. M Guid vs G Bakhtadze |
| 0-1 | 45 | 1999 | World Junior Championship | A49 King's Indian, Fianchetto without c4 |
| 28. E Berg vs M Guid |
| ½-½ | 57 | 1999 | World Junior Championship | C15 French, Winawer |
| 29. M Guid vs S Kidambi |
| ½-½ | 36 | 1999 | World Junior Championship | C80 Ruy Lopez, Open |
| 30. A Rizouk vs M Guid |
| 1-0 | 37 | 1999 | World Junior Championship | B22 Sicilian, Alapin |
| 31. M Guid vs Z Zhao |
| 1-0 | 25 | 1999 | World Junior Championship | C18 French, Winawer |
| 32. T Dovramadjiev vs M Guid |
| ½-½ | 52 | 1999 | World Junior Championship | A07 King's Indian Attack |
| 33. F Lipinsky vs M Guid |
| 1-0 | 33 | 1999 | World Junior Championship | E99 King's Indian, Orthodox, Taimanov |
| 34. M Guid vs L Fantin |
| 1-0 | 25 | 1999 | World Junior Championship | B40 Sicilian |
| 35. S Williams vs M Guid |
| ½-½ | 29 | 1999 | World Junior Championship | A26 English |
| 36. M Guid vs I Khamrakulov |
| 0-1 | 40 | 1999 | World Junior Championship | B28 Sicilian, O'Kelly Variation |
| 37. F Peralta vs M Guid |
| 1-0 | 42 | 1999 | World Junior Championship | E90 King's Indian |
| 38. M Guid vs A Z Aranha Filho |
| 1-0 | 38 | 1999 | World Junior Championship | B03 Alekhine's Defense |
| 39. M Korstin vs M Guid |
| 1-0 | 29 | 1999 | World Junior Championship | C18 French, Winawer |
| 40. M Guid vs A Berescu |
| 1-0 | 39 | 1999 | European Junior Championship | A05 Reti Opening |
| 41. F Doettling vs M Guid |
| 1-0 | 83 | 1999 | European Junior Championship | E97 King's Indian |
| 42. M Guid vs A Mastrovasilis |
| 0-1 | 39 | 1999 | European Junior Championship | B30 Sicilian |
| 43. R Skytte vs M Guid |
| ½-½ | 53 | 1999 | European Junior Championship | B71 Sicilian, Dragon, Levenfish Variation |
| 44. M Guid vs T Nikolchovski |
| ½-½ | 21 | 1999 | European Junior Championship | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 45. H Papaioannou vs M Guid |
| 0-1 | 41 | 1999 | European Junior Championship | C00 French Defense |
| 46. M Guid vs S Dovliatov |
| 1-0 | 41 | 1999 | European Junior Championship | C67 Ruy Lopez |
| 47. P Blehm vs M Guid |
| 1-0 | 45 | 1999 | European Junior Championship | B53 Sicilian |
| 48. M Guid vs M Kobrin |
| 0-1 | 37 | 1999 | European Junior Championship | C42 Petrov Defense |
| 49. R Molander vs M Guid |
| 1-0 | 38 | 1999 | European Junior Championship | E97 King's Indian |
| 50. M Guid vs A Crut |
| ½-½ | 17 | 1999 | European Junior Championship | C41 Philidor Defense |
Kibitzing
