| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M J La Rocca vs P Sciacca |
| 1-0 | 67 | 1999 | 66th Greater Boston Open | B02 Alekhine's Defense |
| 27. H Terrie vs M J La Rocca |
| 1-0 | 21 | 2000 | Harry Lyman Open | A18 English, Mikenas-Carls |
| 28. M J La Rocca vs W Paschall |
| 0-1 | 25 | 2000 | Harry Lyman Open | B17 Caro-Kann, Steinitz Variation |
| 29. R Messenger vs M J La Rocca |
| 0-1 | 48 | 2000 | Nashoba CC February Swiss | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 30. R Messenger vs M J La Rocca |
| 0-1 | 23 | 2000 | Nashoba CC June Swiss | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
| 31. D E Vigorito vs M J La Rocca |
| 1-0 | 31 | 2000 | 50th New Hampshire Open | B38 Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 |
| 32. M J La Rocca vs R W Porter |
| 0-1 | 36 | 2000 | 50th New Hampshire Open | B08 Pirc, Classical |
| 33. O Sagalchik vs M J La Rocca |
| 0-1 | 29 | 2000 | 50th New Hampshire Open | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
| 34. M J La Rocca vs R Sansing |
| 1-0 | 63 | 2000 | 50th New Hampshire Open | D34 Queen's Gambit Declined, Tarrasch |
| 35. P MacIntyre vs M J La Rocca |
| 1-0 | 44 | 2000 | Monadnock Grand Prix | A07 King's Indian Attack |
| 36. J Friedel vs M J La Rocca |
| ½-½ | 26 | 2000 | Monadnock Grand Prix | B33 Sicilian |
| 37. N V Kenkre vs M J La Rocca |
| 0-1 | 29 | 2001 | New England op 61st | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
| 38. J Hale vs M J La Rocca |
| 1-0 | 37 | 2002 | New Hampshire op 52nd | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
| 39. J Curdo vs M J La Rocca |
| 1-0 | 33 | 2004 | MWCC Spring SW | B31 Sicilian, Rossolimo Variation |
| 40. M J La Rocca vs J Curdo |
| 0-1 | 31 | 2006 | MCC Summer Vacation Swiss | A04 Reti Opening |
| 41. M J La Rocca vs D Strenzwilk |
| 1-0 | 35 | 2006 | National Chess Congress | B01 Scandinavian |
Kibitzing
