PLAYER PAGE
Devon Walstra
1130314764West Rand (GWR)Personal
Main rating
| Rating | 1198.6 |
| K-factor | 36 |
| Floor | 705.7 |
| Highest | 1205.7 (2026-03-01) |
| Min/Max +/- allowed | 164 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1153.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1198.6 |
| K-factor | 36 |
| Floor | 705.7 |
| Highest | 1205.7 (2026-03-01) |
| Min/Max +/- allowed | 164.5 |
Standard rating
| Rating | 1199.1 |
| K-factor | 36 |
| Floor | 708.6 |
| Highest | 1208.6 (2026-03-01) |
| Min/Max +/- allowed | 163.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1153.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1199.1 |
| K-factor | 36 |
| Floor | 708.6 |
| Highest | 1208.6 (2026-03-01) |
| Min/Max +/- allowed | 163.8 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-03-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-03-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-03-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-03-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 West Rand Open 2.0 (Bishops) | Standard | 2026-06-06 | 2026-06-06 | West Rand (GWR) | 5 | 1186.5 | 5 | 3 | 1248.1 | 12.1 | Details |
| 2 | West Rand goes to Monnas 2026 (Rooks) | Standard | 2026-05-02 | 2026-05-02 | West Rand (GWR) | 5 | 1205.7 | 4 | 1 | 1069.7 | -19.2 | Details |
| 3 | West Rand Juniors 2026 (U14) | Standard | 2026-03-07 | 2026-03-07 | West Rand (GWR) | 5 | 1168 | 5 | 3 | 1355 | 37.7 | Details |
| 4 | West Rand Open 2026 (Bishops) | Standard | 2026-02-07 | 2026-02-07 | West Rand (GWR) | 5 | 1170.6 | 5 | 3 | 1244 | 5.3 | Details |
| 5 | West Rand Women's Day Open 2025 (U12) | Standard | 2025-08-09 | 2025-08-09 | West Rand (GWR) | 5 | 1198.7 | 4 | 0 | 765.7 | -32.4 | Details |
| 6 | FIDE in The West 2025 (Bishops) | Standard | 2025-04-12 | 2025-04-12 | West Rand (GWR) | 5 | 1196.6 | 5 | 0 | 823.5 | -37.2 | Details |
| 7 | West Rand Juniors 2025 (U14) | Standard | 2025-03-08 | 2025-03-08 | West Rand (GWR) | 5 | 1195.7 | 5 | 1 | 1015.4 | -16.9 | Details |
| 8 | 2025 West Rand Open (Bishops) | Standard | 2025-02-08 | 2025-02-08 | West Rand (GWR) | 5 | 1200 | 4 | 0.5 | 853.7 | -27.1 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 19 |
| Wins | 10 |
| Draws | 0 |
| Losses | 9 |
| White | 8 |
| Black | 11 |
| White wins | 5 |
| Black wins | 5 |
| Score | 10 |
| Percent | 52.6 |
| Dp | 22.4 |
| AOR | 1215.2 |
| Performance | 1237.6 |
Game statistics (History)
| Games | 37 |
| Wins | 11 |
| Draws | 1 |
| Losses | 25 |
| White | 16 |
| Black | 21 |
| White wins | 6 |
| Black wins | 5 |
| Score | 11.5 |
| Percent | 31.1 |
| Dp | -160.8 |
| AOR | 1219.9 |
| Performance | 1059.1 |
Rankings (Main)
| National | |
| Overall | 13792 |
| Gender | 10772 |
| Age group | 2601 |
| Gender/Age | 1886 |
| Provincial | |
| Overall | 4638 |
| Gender | 3560 |
| Age group | 879 |
| Gender/Age | 623 |
| Regional | |
| Overall | 400 |
| Gender | 298 |
| Age group | 90 |
| Gender/Age | 61 |
Rankings (Standard)
| National | |
| Overall | 10720 |
| Gender | 8256 |
| Age group | 2020 |
| Gender/Age | 1441 |
| Provincial | |
| Overall | 3780 |
| Gender | 2876 |
| Age group | 722 |
| Gender/Age | 505 |
| Regional | |
| Overall | 386 |
| Gender | 288 |
| Age group | 87 |
| Gender/Age | 59 |
Rankings (Rapid)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 19 |
| Score | 10 |
| Percent | 52.6 |
| Aor | 1215.2 |
| Dp | 22.4 |
| Prat | 1237.6 |
Performance (12 months)
| Games | 23 |
| Score | 10 |
| Percent | 43.5 |
| Aor | 1210.9 |
| Dp | -55.4 |
| Prat | 1155.5 |
Performance (History)
| Games | 37 |
| Score | 11.5 |
| Percent | 31.1 |
| Aor | 1219.9 |
| Dp | -160.8 |
| Prat | 1059.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Grieve, R (Rayden) | 2 | 0 | 2 | West Rand Open 2026 (Bishops) | 2026 West Rand Open 2.0 (Bishops) | Details |
| Standard | 1 | Grieve, R (Rayden) | 2 | 0 | 2 | West Rand Open 2026 (Bishops) | 2026 West Rand Open 2.0 (Bishops) | Details |