| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. Uhlmann vs G Mainka |
| ½-½ | 52 | 1994 | Bundesliga 1993/94 | A13 English |
| 52. G Mainka vs I Stohl |
| 0-1 | 29 | 1994 | Bundesliga 1993/94 | A49 King's Indian, Fianchetto without c4 |
| 53. Glek vs G Mainka |
| 1-0 | 31 | 1994 | Bundesliga 1993/94 | C46 Three Knights |
| 54. G Mainka vs Hort |
| 0-1 | 41 | 1994 | Bundesliga 1993/94 | A41 Queen's Pawn Game (with ...d6) |
| 55. G Mainka vs Smagin |
| 0-1 | 32 | 1995 | Dortmund op | D30 Queen's Gambit Declined |
| 56. Razuvaev vs G Mainka |
| 0-1 | 30 | 1995 | Dortmund op | E00 Queen's Pawn Game |
| 57. G Mainka vs T Henrichs |
| 1-0 | 35 | 1996 | Sueder Sommer op | A04 Reti Opening |
| 58. G Mainka vs G Kern |
| ½-½ | 31 | 1999 | Ruhrgebiet VL 9899 playoff | A04 Reti Opening |
| 59. G Mainka vs M Feygin |
| 0-1 | 39 | 1999 | Dortmund Master | A46 Queen's Pawn Game |
| 60. A Mikhalchishin vs G Mainka |
| 0-1 | 33 | 1999 | Dortmund Master | A27 English, Three Knights System |
| 61. G Mainka vs D Poldauf |
| 0-1 | 55 | 1999 | Dortmund Master | A05 Reti Opening |
| 62. K Bischoff vs G Mainka |
| 0-1 | 43 | 1999 | Dortmund Master | A11 English, Caro-Kann Defensive System |
| 63. G Mainka vs A Maric |
| ½-½ | 43 | 1999 | Dortmund Master | A04 Reti Opening |
| 64. Naiditsch vs G Mainka |
| 1-0 | 32 | 1999 | Dortmund Master | C01 French, Exchange |
| 65. G Mainka vs E Schmittdiel |
| 0-1 | 18 | 1999 | Dortmund Master | A08 King's Indian Attack |
| 66. A Petrosian vs G Mainka |
| 1-0 | 33 | 1999 | Dortmund Master | A04 Reti Opening |
| 67. G Mainka vs Z Varga |
| 0-1 | 37 | 1999 | Dortmund Master | A06 Reti Opening |
| 68. G Mainka vs B Kohlweyer |
| 0-1 | 28 | 2000 | Duisburg op | A07 King's Indian Attack |
| 69. F Doettling vs G Mainka |
| 1-0 | 25 | 2000 | Dortmund GM | A01 Nimzovich-Larsen Attack |
| 70. G Mainka vs J Murey |
| 0-1 | 28 | 2001 | Cappelle Open | A40 Queen's Pawn Game |
| 71. G Mainka vs I Naumkin |
| 0-1 | 24 | 2001 | Cappelle Open | A40 Queen's Pawn Game |
| 72. P Klatt vs G Mainka |
| 0-1 | 30 | 2001 | Dortmund Open-A | C05 French, Tarrasch |
| 73. G Mainka vs T Overbeck |
| 1-0 | 24 | 2001 | Dortmund Open-A | A05 Reti Opening |
| 74. Epishin vs G Mainka |
| 1-0 | 39 | 2001 | Dortmund Open-A | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 75. G Mainka vs I Schneider |
| 0-1 | 38 | 2001 | Dortmund Open-A | A04 Reti Opening |
Kibitzing
