| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. G Lorenz vs P Bergmann |
| 1-0 | 43 | 1972 | Leipzig SGL Open | B02 Alekhine's Defense |
| 27. M Vrabec vs G Lorenz |
| 0-1 | 40 | 1972 | Leipzig SGL Open | B25 Sicilian, Closed |
| 28. G Lorenz vs S Ruehlemann |
| ½-½ | 15 | 1972 | Leipzig SGL Open | C24 Bishop's Opening |
| 29. R Oetzel vs G Lorenz |
| ½-½ | 51 | 1972 | Leipzig SGL Open | A07 King's Indian Attack |
| 30. G Lorenz vs G Moehring |
| ½-½ | 62 | 1972 | Leipzig SGL Open | A37 English, Symmetrical |
| 31. B Weber vs G Lorenz |
| 0-1 | 40 | 1972 | Leipzig SGL Open | E41 Nimzo-Indian |
| 32. G Lorenz vs G Walter |
| ½-½ | 64 | 1972 | Leipzig SGL Open | A39 English, Symmetrical, Main line with d4 |
| 33. W Golz vs G Lorenz |
| ½-½ | 76 | 1972 | Leipzig SGL Open | A29 English, Four Knights, Kingside Fianchetto |
| 34. G Lorenz vs L Espig |
| 0-1 | 24 | 1972 | Leipzig SGL Open | B80 Sicilian, Scheveningen |
| 35. G Lorenz vs M Boehnisch |
| 1-0 | 33 | 1980 | East German Championship | A16 English |
| 36. Knaak vs G Lorenz |
| 1-0 | 34 | 1980 | East German Championship | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 37. G Lorenz vs L Zinn |
| 1-0 | 15 | 1980 | East German Championship | B30 Sicilian |
| 38. T Paehtz Sr vs G Lorenz |
| ½-½ | 35 | 1980 | East German Championship | A16 English |
| 39. G Lorenz vs H Gruenberg |
| 0-1 | 43 | 1980 | East German Championship | B40 Sicilian |
| 40. L Espig vs G Lorenz |
| 1-0 | 40 | 1980 | East German Championship | A14 English |
| 41. G Lorenz vs R Tischbierek |
| 0-1 | 36 | 1980 | East German Championship | B22 Sicilian, Alapin |
| 42. G Lorenz vs T Jakat |
| 1-0 | 31 | 1980 | East German Championship | B30 Sicilian |
| 43. T Casper vs G Lorenz |
| 1-0 | 52 | 1980 | East German Championship | C24 Bishop's Opening |
| 44. G Lorenz vs U Boensch |
| 0-1 | 33 | 1980 | East German Championship | D02 Queen's Pawn Game |
| 45. R Moebius vs G Lorenz |
| ½-½ | 19 | 1980 | East German Championship | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 46. G Lorenz vs W Heinig |
| 0-1 | 40 | 1980 | East German Championship | D79 Neo-Grunfeld, 6.O-O, Main line |
| 47. G Gauglitz vs G Lorenz |
| 0-1 | 32 | 1980 | East German Championship | E67 King's Indian, Fianchetto |
| 48. P Hesse vs G Lorenz |
| 1-0 | 27 | 1980 | East German Championship | E67 King's Indian, Fianchetto |
| 49. G Lorenz vs L Vogt |
| 0-1 | 41 | 1980 | East German Championship | B08 Pirc, Classical |
| 50. U Kaminski vs G Lorenz |
| ½-½ | 60 | 1986 | Dresden Post | C41 Philidor Defense |
Kibitzing
