| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. K Wallach vs K Stein |
| ½-½ | 80 | 1988 | Midwest Masters | A58 Benko Gambit |
| 27. D Love vs K Wallach |
| ½-½ | 41 | 1988 | Midwest Masters | E99 King's Indian, Orthodox, Taimanov |
| 28. K Wallach vs M Brooks |
| 0-1 | 41 | 1989 | US Open-90 | A16 English |
| 29. K Wallach vs A Bisguier |
| ½-½ | 23 | 1989 | 90th US Open | E08 Catalan, Closed |
| 30. K Bachler vs K Wallach |
| ½-½ | 44 | 1990 | Jim Jupa Invite | C56 Two Knights |
| 31. M Ardaman vs K Wallach |
| ½-½ | 31 | 1990 | USA Masters | A07 King's Indian Attack |
| 32. K Wallach vs J Tums |
| 1-0 | 27 | 1990 | USA Masters | A62 Benoni, Fianchetto Variation |
| 33. R Burnett vs K Wallach |
| 1-0 | 43 | 1990 | USA Masters | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 34. K Wallach vs G Knutson |
| 1-0 | 61 | 1990 | USA Masters | A41 Queen's Pawn Game (with ...d6) |
| 35. K Wallach vs L Basin |
| 0-1 | 41 | 1990 | USA Masters | E81 King's Indian, Samisch |
| 36. A A McManus vs K Wallach |
| ½-½ | 37 | 1990 | USA Masters | C18 French, Winawer |
| 37. T Southam vs K Wallach |
| 1-0 | 43 | 1990 | USA Masters | E97 King's Indian |
| 38. A C Chow vs K Wallach |
| 0-1 | 29 | 1992 | Chicago Masters | C05 French, Tarrasch |
| 39. E Martinovsky vs K Wallach |
| 1-0 | 31 | 1994 | Colias mem op | A07 King's Indian Attack |
| 40. K Wallach vs A C Chow |
| 0-1 | 48 | 1994 | USA-op | A46 Queen's Pawn Game |
| 41. K Wallach vs A Ivanov |
| 0-1 | 43 | 1996 | National Open | B08 Pirc, Classical |
| 42. K Wallach vs Serper |
| 0-1 | 49 | 1997 | US Masters | D44 Queen's Gambit Declined Semi-Slav |
| 43. K Wallach vs T Palmer |
  | ½-½ | 41 | 2004 | National Open | E00 Queen's Pawn Game |
| 44. R Gonzalez vs K Wallach |
| 1-0 | 34 | 2005 | National Open | A07 King's Indian Attack |
| 45. K Wallach vs V Akobian |
| 0-1 | 32 | 2007 | National Open | B07 Pirc |
| 46. H Hecht vs K Wallach |
| 1-0 | 44 | 2007 | National Open | E43 Nimzo-Indian, Fischer Variation |
| 47. K Wallach vs E Schiller |
| ½-½ | 21 | 2011 | National Open | B06 Robatsch |
| 48. K Wallach vs Shankland |
| 0-1 | 118 | 2012 | National Open | B23 Sicilian, Closed |
| 49. K Wallach vs E Grabowski |
| ½-½ | 48 | 2012 | National Open | C12 French, McCutcheon |
| 50. C Rubsamen vs K Wallach |
| ½-½ | 41 | 2012 | National Open | B27 Sicilian |
Kibitzing
