USCF player statistics
Kim, Chukbok
- Biggest rank climb · #1 in Indiana (Quick)
- Biggest rank climb · #1 in Indiana (Regular)
- Fastest rising · #74 in United States (Quick)
- Fastest rising · #63 in United States (Regular)
- Fastest rising · #1 in Indiana (Quick)
- Fastest rising · #1 in Indiana (Regular)
- Gender
- Male
- US Chess reported rank
- #48,933 national · #843 in state
- Floor
- Regular 150 · Quick 150
US Chess record as of Sep 17, 2026
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +262
- Sep 2026 to Oct 2026
- Biggest drop
- -72
- Jul 2026 to Aug 2026
- Longest rise
- 2 updates
- +256 from Mar 2026 to May 2026
- Updates that moved
- 7 of 10
- Latest +262, Sep 2026 to Oct 2026
- Typical move
- ±69
- Mean absolute change; spread ±106.7
Regular rating in context
United States
#44,297of 82,596 rated members · higher than 46.3%
38,260 lower · 40 same rating · 44,296 higher · ties share a rank
Indiana
#705of 1,482 rated members · higher than 52.3%
776 lower · 2 same rating · 704 higher · ties share a rank
Where this rating sits · United States
82,596 rated members in 50-point bands · median 800–849 · 9,268 within 100 points of 781 (this player included)
750–799: 2,275 members (2.7%) · highlighted band is the player’s · dashed line is the target
47.3% below 800 (39,137 of 82,596; 46.3% below 781)
Percentile over time · United States
46.3% higher than · Oct 2026 · rank #44,297 of 82,596
Since Dec 2025
+24.6 pts
How these comparisons are calculated
Chess67 calculations from the Oct 2026 monthly rating update, using the same population as the USCF statistics pages: US members classified as active in the published monthly records, excluding lifetime-coded records, provisional ratings included. Ties share a rank; “lower” is strictly lower; national and state groups overlap. The target explorer keeps the population fixed, with this player at their recorded rating: it is a rating comparison, not a prediction of future rank.
Published ratings by month
P marks a provisional rating; the small figure is the change since the previous published observation.
| Month | Regular | Quick |
|---|---|---|
| Oct 2026 | 781+262 | 779+259 |
| Sep 2026 | 519no change | 520no change |
| Aug 2026 | 519-72 | 520-72 |
| Jul 2026 | 591no change | 592no change |
| Jun 2026 | 591-7 | 592-8 |
| May 2026 | 598+188 | 600+196 |
| Apr 2026 | 410 P+68 · 20 games | 404 P+92 · 22 games |
| Mar 2026 | 342 P-64 · 12 games | 312 P-55 · 14 games |
| Feb 2026 | 406 P+29 · 12 games | 367 P+40 · 14 games |
| Jan 2026 | 377 Pno change · 4 games | 327 Pno change · 6 games |
| Dec 2025 | 377 P4 games | 327 P6 games |