| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. B Nagel vs G Spiess |
| 0-1 | 29 | 2001 | Bayern-chI Bank Hofmann 5th | A41 Queen's Pawn Game (with ...d6) |
| 27. G Spiess vs M Sawadkuhi |
| 1-0 | 33 | 2001 | Bayern-chI Bank Hofmann 5th | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 28. Psakhis vs G Spiess |
| ½-½ | 47 | 2001 | Bayern-chI Bank Hofmann 5th | E80 King's Indian, Samisch Variation |
| 29. G Spiess vs M Womacka |
| 0-1 | 37 | 2001 | BL2-Ost 0102 | A30 English, Symmetrical |
| 30. M Schoeneberg vs G Spiess |
| ½-½ | 21 | 2003 | BL2-Ost 0203 | C01 French, Exchange |
| 31. Eljanov vs G Spiess |
| 1-0 | 54 | 2004 | Neckar Open | A41 Queen's Pawn Game (with ...d6) |
| 32. M Heika vs G Spiess |
| 0-1 | 57 | 2004 | BL2-Ost 0405 | C16 French, Winawer |
| 33. G Spiess vs P Neuman |
| ½-½ | 51 | 2005 | BL2-Ost 0506 | D15 Queen's Gambit Declined Slav |
| 34. G Spiess vs M Womacka |
| 0-1 | 41 | 2006 | BL2-Ost 0506 | A46 Queen's Pawn Game |
| 35. D Rogozenco vs G Spiess |
| 1-0 | 46 | 2006 | BL2-Ost 0607 | D11 Queen's Gambit Declined Slav |
| 36. M Bartel vs G Spiess |
| 1-0 | 51 | 2007 | European Championship | C17 French, Winawer, Advance |
| 37. G Spiess vs N Hutchinson |
| 1-0 | 15 | 2007 | European Championship | A17 English |
| 38. Smeets vs G Spiess |
| ½-½ | 27 | 2007 | European Championship | C02 French, Advance |
| 39. G Spiess vs K Shanava |
| ½-½ | 71 | 2007 | European Championship | A41 Queen's Pawn Game (with ...d6) |
| 40. V Chuchelov vs G Spiess |
| 1-0 | 50 | 2007 | European Championship | D11 Queen's Gambit Declined Slav |
| 41. G Spiess vs S Bakker |
| 1-0 | 49 | 2007 | European Championship | E15 Queen's Indian |
| 42. O Cvitan vs G Spiess |
| ½-½ | 17 | 2007 | European Championship | D45 Queen's Gambit Declined Semi-Slav |
| 43. G Spiess vs D Boros |
| ½-½ | 37 | 2007 | European Championship | E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation |
| 44. D Rogozenco vs G Spiess |
| 0-1 | 65 | 2007 | European Championship | D44 Queen's Gambit Declined Semi-Slav |
| 45. G Spiess vs Romanishin |
| 0-1 | 54 | 2007 | European Championship | E16 Queen's Indian |
| 46. E Romanov vs G Spiess |
| 1-0 | 77 | 2007 | European Championship | D15 Queen's Gambit Declined Slav |
| 47. T Roussel-Roozmon vs G Spiess |
| ½-½ | 27 | 2007 | Balaton Festival | D11 Queen's Gambit Declined Slav |
| 48. G Spiess vs I Farago |
| 0-1 | 46 | 2007 | Balaton Festival | A33 English, Symmetrical |
| 49. P Prohaszka vs G Spiess |
| 1-0 | 23 | 2007 | Balaton Festival | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 50. G Spiess vs B Lindberg |
| 0-1 | 63 | 2007 | Balaton Festival | A04 Reti Opening |
Kibitzing
