Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. Motylev vs M Sosnicki |
 | 1-0 | 22 | 1998 | Swidnica op rap | C45 Scotch Game |
27. P Haba vs M Sosnicki |
| 1-0 | 41 | 1998 | Cappelle Open | E04 Catalan, Open, 5.Nf3 |
28. B Grabarczyk vs M Sosnicki |
 | ½-½ | 54 | 1998 | ch-POL | C37 King's Gambit Accepted |
29. M Sosnicki vs T Markowski |
| 0-1 | 56 | 1998 | POL-ch 55th | A44 Old Benoni Defense |
30. M Sosnicki vs B Jankovic |
| 1-0 | 78 | 1998 | Komercni Banka Open | E97 King's Indian |
31. G Timoscenko vs M Sosnicki |
| 1-0 | 34 | 1998 | Komercni Banka Open | D45 Queen's Gambit Declined Semi-Slav |
32. M Sosnicki vs S Pick |
| 1-0 | 34 | 1998 | Komercni Banka Open | E94 King's Indian, Orthodox |
33. V Sergeev vs M Sosnicki |
| 1-0 | 52 | 1998 | Komercni Banka Open | A04 Reti Opening |
34. M Sosnicki vs A Maximov |
| ½-½ | 61 | 1998 | Komercni Banka Open | A41 Queen's Pawn Game (with ...d6) |
35. M Kolesar vs M Sosnicki |
| 1-0 | 43 | 1998 | Komercni Banka Open | D49 Queen's Gambit Declined Semi-Slav, Meran |
36. M Sosnicki vs A Volokitin |
| 0-1 | 40 | 1998 | Komercni Banka Open | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
37. J Hladik vs M Sosnicki |
| ½-½ | 32 | 1998 | Komercni Banka Open | D02 Queen's Pawn Game |
38. M Sosnicki vs P Stluka |
| 0-1 | 29 | 1998 | Komercni Banka Open | E54 Nimzo-Indian, 4.e3, Gligoric System |
39. M Sosnicki vs M Brodsky |
| ½-½ | 15 | 1998 | MK Cafe Cup-A | E46 Nimzo-Indian |
40. W Schmidt vs M Sosnicki |
| ½-½ | 22 | 1998 | MK Cafe Cup-A | D45 Queen's Gambit Declined Semi-Slav |
41. Krasenkow vs M Sosnicki |
| 1-0 | 67 | 1998 | POL-chT 54th | D45 Queen's Gambit Declined Semi-Slav |
42. P Jaracz vs M Sosnicki |
| 1-0 | 40 | 1999 | Swidnica | C41 Philidor Defense |
43. M Sosnicki vs Macieja |
| ½-½ | 22 | 1999 | Swidnica | E11 Bogo-Indian Defense |
44. A Rustemov vs M Sosnicki |
| 1-0 | 43 | 1999 | Swidnica | E62 King's Indian, Fianchetto |
45. M Sosnicki vs P Murdzia |
| ½-½ | 53 | 1999 | Swidnica | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
46. O Gritsak vs M Sosnicki |
| 1-0 | 43 | 1999 | Swidnica | E81 King's Indian, Samisch |
47. M Sosnicki vs G Kuzmin |
| ½-½ | 9 | 1999 | Swidnica | D63 Queen's Gambit Declined, Orthodox Defense |
48. D Pedzich vs M Sosnicki |
| ½-½ | 38 | 1999 | Swidnica | B40 Sicilian |
49. M Sosnicki vs J Zezulkin |
| ½-½ | 42 | 1999 | Swidnica | B32 Sicilian |
50. Yakovich vs M Sosnicki |
| ½-½ | 31 | 1999 | Swidnica | E59 Nimzo-Indian, 4.e3, Main line |