| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Erik Hoidahl vs K Weber |
| ½-½ | 28 |
1998 |
EM/M/A049 | A20 English |
| 27. K Weber vs V Lyukmanov |
| ½-½ | 44 |
1998 |
EM/M/GT/A014 | D19 Queen's Gambit Declined Slav, Dutch |
| 28. V Baklanov vs K Weber |
| ½-½ | 42 |
1998 |
EM/M/GT/A014 | E58 Nimzo-Indian, 4.e3, Main line with 8...Bxc3 |
| 29. K Weber vs A Dutra |
| ½-½ | 25 |
1998 |
EM/M/A048 | E38 Nimzo-Indian, Classical, 4...c5 |
| 30. K Weber vs Josef Jaluvka |
| ½-½ | 51 |
1998 |
EM/M/GT/A014 | D11 Queen's Gambit Declined Slav |
| 31. A Gaujens vs K Weber |
| 1-0 | 49 |
1999 |
EM/M/A074 | B22 Sicilian, Alapin |
| 32. H E van Kempen vs K Weber |
| 1-0 | 28 |
1999 |
ICCF - corr | B97 Sicilian, Najdorf |
| 33. K Weber vs J Vermeulen |
| 0-1 | 47 |
1999 |
EM/M/A081 | D85 Grunfeld |
| 34. K Weber vs M C Nicholls |
| 1-0 | 21 |
1999 |
EM/M/A074 | A57 Benko Gambit |
| 35. A Zilberberg vs K Weber |
| 1-0 | 47 |
1999 |
ICCF - corr | E32 Nimzo-Indian, Classical |
| 36. M Nimtz vs K Weber |
| 1-0 | 45 |
1999 |
ICCF - corr | B97 Sicilian, Najdorf |
| 37. K Weber vs Meier Kurt |
| 1-0 | 40 |
1999 |
EM/M/A081 | D30 Queen's Gambit Declined |
| 38. K Weber vs K Glaser |
| 1-0 | 24 |
1999 |
EM/M/A074 | E12 Queen's Indian |
| 39. K Weber vs V Hefka |
| ½-½ | 36 |
1999 |
ICCF - corr | E97 King's Indian |
| 40. G Kuehnel vs K Weber |
| ½-½ | 37 |
1999 |
ICCF - corr | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 41. K Weber vs Oscar Alfredo Davila |
| 1-0 | 44 |
1999 |
EM/M/A081 | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 42. K Weber vs W Geissler |
| ½-½ | 20 |
1999 |
EM/M/A074 | E11 Bogo-Indian Defense |
| 43. K Weber vs G Echeguren |
| ½-½ | 37 |
1999 |
ICCF - corr | A90 Dutch |
| 44. B Hjort vs K Weber |
| ½-½ | 70 |
1999 |
ICCF - corr | B97 Sicilian, Najdorf |
| 45. Z Nyvlt vs K Weber |
| ½-½ | 40 |
1999 |
EM/M/A081 | C67 Ruy Lopez |
| 46. Alfred Kranzl vs K Weber |
| ½-½ | 27 |
1999 |
EM/M/A074 | D27 Queen's Gambit Accepted, Classical |
| 47. K Weber vs G Cardelli |
| 0-1 | 63 |
1999 |
ICCF - corr | D85 Grunfeld |
| 48. C Menghi vs K Weber |
| ½-½ | 47 |
1999 |
EM/M/A081 | C78 Ruy Lopez |
| 49. K Weber vs R Hofer |
| 1-0 | 18 |
2001 |
IECC T email | D85 Grunfeld |
| 50. J W Schoonhoven vs K Weber |
| ½-½ | 30 |
2002 |
WC.2003.T.00001 | C07 French, Tarrasch |