USCF player statistics

Gelfer, Rebecca

USCF 16523591ColoradoUpdated: Nov 2026
Official US Chess record

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Gender
Female
US Chess reported rank
#29,495 national · #505 in state
Floor
Regular 150 · Quick 100 · Blitz 100
Rated games
Quick 25 · Blitz 8

US Chess record as of Sep 15, 2026

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Rating format

Regular rating

9500 since Oct 2026

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

Nov 2026950 Regular
Dec 2025: 941Jan 2026: 941Feb 2026: 941Mar 2026: 934Apr 2026: 934May 2026: 934Jun 2026: 934Jul 2026: 934Aug 2026: 950Sep 2026: 950Oct 2026: 950Nov 2026: 950
Dec 2025Nov 2026
12 updates in this window · +9 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • -387 Quick vs Regular

    Typical for 900–999 regular players: -19 (middle half -47 to +3, 2,371 established members). This gap is below the typical range.

  • -53 Blitz vs Regular (provisional)

    Typical for 900–999 regular players: -118 (middle half -267 to -7, 249 established members). This gap is within the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+16
Jul 2026 to Aug 2026
Biggest drop
-7
Feb 2026 to Mar 2026
Longest rise
1 update
+16 from Jul 2026 to Aug 2026
Current run
3 updates
Unchanged since Aug 2026
Typical move
±2
Mean absolute change; spread ±5.5

Regular rating in context

Nov 2026 update

United States

#37,174of 83,032 rated members · higher than 55.1%

45,828 lower · 31 same rating · 37,173 higher · ties share a rank

Colorado

#647of 1,039 rated members · higher than 37.7%

392 lower · 1 same rating · 646 higher · ties share a rank

Where this rating sits · United States

83,032 rated members in 50-point bands · median 850–899 · 8,304 within 100 points of 950 (this player included)

Player · 950
01,4252,850

950–999: 2,025 members (2.4%) · highlighted band is the player’s · dashed line is the target

57.6% below 1,000 (47,853 of 83,032; 55.1% below 950)

Percentile over time · United States

55.1% higher than · Nov 2026 · rank #37,174 of 83,032

Since Dec 2025
-0.1 pts

Dec 2025: higher than 55.2% (rank 36,226 of 81,102)Jan 2026: higher than 54.7% (rank 35,905 of 79,487)Feb 2026: higher than 54.9% (rank 37,751 of 83,940)Mar 2026: higher than 54.2% (rank 36,816 of 80,605)Apr 2026: higher than 54.4% (rank 36,808 of 80,831)May 2026: higher than 54.2% (rank 37,091 of 81,236)Jun 2026: higher than 54.8% (rank 37,525 of 83,290)Jul 2026: higher than 55% (rank 37,111 of 82,736)Aug 2026: higher than 55.8% (rank 36,626 of 83,080)Sep 2026: higher than 55.7% (rank 36,931 of 83,635)Oct 2026: higher than 55.3% (rank 36,885 of 82,596)Nov 2026: higher than 55.1% (rank 37,174 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 Gelfer, Rebecca
MonthRegularQuickBlitz
Nov 2026950no change563no change897 Pno change · 8 games
Oct 2026950no change563no change897 Pno change · 8 games
Sep 2026950no change563no change897 Pno change · 8 games
Aug 2026950+16563no change897 Pno change · 8 games
Jul 2026934no change563no change897 Pno change · 8 games
Jun 2026934no change563no change897 Pno change · 8 games
May 2026934no change563no change897 Pno change · 8 games
Apr 2026934no change563no change897 Pno change · 8 games
Mar 2026934-7563no change897 Pno change · 8 games
Feb 2026941no change563no change897 Pno change · 8 games
Jan 2026941no change563no change897 Pno change · 8 games
Dec 2025941563897 P8 games

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.