| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. O Gritsak vs M Sosnicki |
| 1-0 | 43 | 1999 | Swidnica | E81 King's Indian, Samisch |
| 27. O Gritsak vs D Pedzich |
| 1-0 | 35 | 1999 | Swidnica | A15 English |
| 28. Yakovich vs O Gritsak |
| ½-½ | 59 | 1999 | Swidnica | E91 King's Indian |
| 29. O Gritsak vs Macieja |
| 1-0 | 68 | 1999 | Swidnica | A04 Reti Opening |
| 30. P Murdzia vs O Gritsak |
| ½-½ | 12 | 1999 | Swidnica | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 31. O Gritsak vs M Bartel |
| 1-0 | 18 | 1999 | Swidnica Open | A46 Queen's Pawn Game |
| 32. A Czerwonski vs O Gritsak |
| ½-½ | 37 | 1999 | Swidnica Open | D44 Queen's Gambit Declined Semi-Slav |
| 33. V Cmilyte vs O Gritsak |
| 0-1 | 38 | 1999 | Swidnica Open | D31 Queen's Gambit Declined |
| 34. O Gritsak vs M Nurkiewicz |
| ½-½ | 41 | 1999 | Swidnica Open | D50 Queen's Gambit Declined |
| 35. R Antoniewski vs O Gritsak |
| 0-1 | 43 | 1999 | MK Cafe Cup-A | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 36. O Gritsak vs Ftacnik |
| ½-½ | 29 | 1999 | MK Cafe Cup-A | A30 English, Symmetrical |
| 37. Dvoirys vs O Gritsak |
| 1-0 | 42 | 1999 | MK Cafe Cup-A | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 38. O Gritsak vs Epishin |
| ½-½ | 39 | 1999 | MK Cafe Cup-A | A15 English |
| 39. Pigusov vs O Gritsak |
| ½-½ | 34 | 1999 | MK Cafe Cup-A | E60 King's Indian Defense |
| 40. O Gritsak vs A V Kharitonov |
| 0-1 | 43 | 1999 | MK Cafe Cup-A | D55 Queen's Gambit Declined |
| 41. M Socko vs O Gritsak |
| ½-½ | 53 | 1999 | MK Cafe Cup-A | A04 Reti Opening |
| 42. O Gritsak vs C McNab |
| ½-½ | 46 | 1999 | MK Cafe Cup-A | B07 Pirc |
| 43. J Zezulkin vs O Gritsak |
| 0-1 | 38 | 1999 | MK Cafe Cup-A | B06 Robatsch |
| 44. O Gritsak vs A Volzhin |
| ½-½ | 12 | 1999 | MK Cafe Cup-A | B33 Sicilian |
| 45. O Gritsak vs D Markowski |
| 1-0 | 40 | 1999 | Polish Team Championship | A31 English, Symmetrical, Benoni Formation |
| 46. G Protaziuk vs O Gritsak |
| 0-1 | 34 | 1999 | Polish Team Championship | B85 Sicilian, Scheveningen, Classical |
| 47. O Gritsak vs T Markowski |
| ½-½ | 58 | 1999 | Polish Team Championship | D30 Queen's Gambit Declined |
| 48. Krasenkow vs O Gritsak |
| ½-½ | 57 | 1999 | Polish Team Championship | A64 Benoni, Fianchetto, 11...Re8 |
| 49. O Gritsak vs J Orzechowski |
| 1-0 | 39 | 1999 | Polish Team Championship | A21 English |
| 50. P Skalik vs O Gritsak |
| 1-0 | 32 | 1999 | Polish Team Championship | A04 Reti Opening |
Kibitzing
