USCF player statistics

Hasselkus, Oliver

USCF 16591543ColoradoUpdated: Nov 2026
Official US Chess record

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Gender
Male
US Chess reported rank
#13,330 national · #246 in state
Floor
Regular 1,200 · Quick 150 · Blitz 139

US Chess record as of Sep 15, 2026

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Rating format

Regular rating

1,4800 since Oct 2026

Published rating · Nov 2026 · 12 published updates since Dec 2025

Nov 20261,480 Regular
Dec 2025: 1477Jan 2026: 1477Feb 2026: 1475Mar 2026: 1480Apr 2026: 1480May 2026: 1480Jun 2026: 1480Jul 2026: 1480Aug 2026: 1480Sep 2026: 1480Oct 2026: 1480Nov 2026: 1480
Dec 2025Nov 2026
12 updates in this window · +3 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity
Overlays their published ratings on the chart; the link keeps the comparison.

Other formats against Regular

  • -197 Quick vs Regular

    Typical for 1,400–1,499 regular players: -85 (middle half -160 to -36, 2,037 established members). This gap is below the typical range.

  • -363 Blitz vs Regular

    Typical for 1,400–1,499 regular players: -195 (middle half -346 to -64, 683 established members). This gap is below the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+5
Feb 2026 to Mar 2026
Biggest drop
-2
Jan 2026 to Feb 2026
Longest rise
1 update
+5 from Feb 2026 to Mar 2026
Current run
8 updates
Unchanged since Mar 2026
Typical move
±1
Mean absolute change; spread ±1.7

Regular rating in context

Nov 2026 update

United States

#18,080of 83,032 rated members · higher than 78.1%

64,920 lower · 33 same rating · 18,079 higher · ties share a rank

Colorado

#328of 1,039 rated members · higher than 68.4%

711 lower · 1 same rating · 327 higher · ties share a rank

Where this rating sits · United States

83,032 rated members in 50-point bands · median 850–899 · 6,934 within 100 points of 1,480 (this player included)

Player · 1,480
01,4252,850

1,450–1,499: 1,566 members (1.8%) · highlighted band is the player’s · dashed line is the target

78.9% below 1,500 (65,557 of 83,032; 78.1% below 1,480)

Percentile over time · United States

78.1% higher than · Nov 2026 · rank #18,080 of 83,032

Since Dec 2025
0 pts

Dec 2025: higher than 78.1% (rank 17,689 of 81,102)Jan 2026: higher than 77.8% (rank 17,572 of 79,487)Feb 2026: higher than 78% (rank 18,384 of 83,940)Mar 2026: higher than 77.9% (rank 17,710 of 80,605)Apr 2026: higher than 78.1% (rank 17,627 of 80,831)May 2026: higher than 78.1% (rank 17,702 of 81,236)Jun 2026: higher than 78.5% (rank 17,820 of 83,290)Jul 2026: higher than 78.6% (rank 17,662 of 82,736)Aug 2026: higher than 78.5% (rank 17,778 of 83,080)Sep 2026: higher than 78.5% (rank 17,919 of 83,635)Oct 2026: higher than 78.2% (rank 17,968 of 82,596)Nov 2026: higher than 78.1% (rank 18,080 of 83,032)
Dec 2025Nov 2026
Each month against that month’s active pool, so pool growth and rating drift both count.
How these comparisons are calculated

Chess67 calculations from the Nov 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.

United States statistics Colorado statistics

Published ratings by month

P marks a provisional rating; the small figure is the change since the previous published observation.

Monthly USCF ratings for Hasselkus, Oliver
MonthRegularQuickBlitz
Nov 20261,480no change1,283no change1,117no change
Oct 20261,480no change1,283no change1,117no change
Sep 20261,480no change1,283no change1,117no change
Aug 20261,480no change1,283no change1,117no change
Jul 20261,480no change1,283no change1,117no change
Jun 20261,480no change1,283no change1,117no change
May 20261,480no change1,283-611,117no change
Apr 20261,480no change1,344no change1,117no change
Mar 20261,480+51,344+21,117no change
Feb 20261,475-21,342+11,117no change
Jan 20261,477no change1,341no change1,117no change
Dec 20251,4771,3411,117

About these statistics. Built from the monthly USCF rating updates available to Chess67. Ratings change between publications, and a missing month is not inactivity. The official US Chess record has current ratings and tournament history.