Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. M W Dejmek vs S K Anderson |
| 0-1 | 22 | 2000 | Ken Smith Memorial | B01 Scandinavian |
27. A Wojtkiewicz vs S K Anderson |
| 1-0 | 42 | 2000 | Ken Smith Memorial | E17 Queen's Indian |
28. S K Anderson vs R Burnett |
| 1-0 | 45 | 2000 | 101st US Open | A42 Modern Defense, Averbakh System |
29. C Land vs S K Anderson |
| 1-0 | 77 | 2006 | Texas State Championship | B01 Scandinavian |
30. S K Anderson vs V Aluyen |
  | 0-1 | 39 | 2007 | Methodist Hospital Chess Club Swiss | C70 Ruy Lopez |
31. S K Anderson vs O Aktunc |
| 0-1 | 35 | 2018 | San Antonio City Championship | C63 Ruy Lopez, Schliemann Defense |