USCF player statistics

Gluck, Zai Indigo

USCF 31974190VermontUpdated: Nov 2026
Official US Chess record

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Gender
Male
Floor
Regular 120 · Quick 104
Rated games
Regular 10 · Quick 9

US Chess record as of Sep 17, 2026

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Rating format

Regular rating

1,200

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

Nov 20261,200 provisional
Dec 2025: 1156 provisionalJan 2026: 1156 provisionalFeb 2026: 1156 provisionalMar 2026: 1156 provisionalApr 2026: 1156 provisionalMay 2026: 1156 provisionalJun 2026: 1156 provisionalJul 2026: 1156 provisionalAug 2026: 1156 provisionalSep 2026: 1156 provisionalOct 2026: 1156 provisionalNov 2026: 1200 provisional
Dec 2025Nov 2026
12 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • +172 Quick vs Regular (provisional)

    Typical for 1,200–1,299 regular players: -55 (middle half -112 to -18, 1,981 established members). This gap is above the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+44
Oct 2026 to Nov 2026
Biggest drop
—
No drop between published updates yet
Longest rise
1 update
+44 from Oct 2026 to Nov 2026
Updates that moved
1 of 11
Latest +44, Oct 2026 to Nov 2026
Typical move
±4
Mean absolute change; spread ±13.3

Regular rating in context

Nov 2026 update

United States

#27,768of 83,032 rated members · higher than 66.4%

55,152 lower · 113 same rating · 27,767 higher · ties share a rank

Vermont

#87of 217 rated members · higher than 59.9%

130 lower · 1 same rating · 86 higher · ties share a rank

Where this rating sits · United States

83,032 rated members in 50-point bands · median 850–899 · 7,146 within 100 points of 1,200 (this player included)

Player · 1,200
01,4252,850

1,200–1,249: 1,852 members (2.2%) · highlighted band is the player’s · dashed line is the target

68.6% below 1,250 (57,004 of 83,032; 66.4% below 1,200)

Percentile over time · United States

66.4% higher than · Nov 2026 · rank #27,768 of 83,032

Since Dec 2025
+1.5 pts

Dec 2025: higher than 64.9% (rank 28,385 of 81,102)Jan 2026: higher than 64.5% (rank 28,164 of 79,487)Feb 2026: higher than 64.8% (rank 29,507 of 83,940)Mar 2026: higher than 64.4% (rank 28,612 of 80,605)Apr 2026: higher than 64.5% (rank 28,586 of 80,831)May 2026: higher than 64.5% (rank 28,723 of 81,236)Jun 2026: higher than 65.1% (rank 28,968 of 83,290)Jul 2026: higher than 65.3% (rank 28,621 of 82,736)Aug 2026: higher than 65.2% (rank 28,789 of 83,080)Sep 2026: higher than 65.2% (rank 29,000 of 83,635)Oct 2026: higher than 64.7% (rank 29,060 of 82,596)Nov 2026: higher than 66.4% (rank 27,768 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 Vermont 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 Gluck, Zai Indigo
MonthRegularQuick
Nov 20261,200 P+44 · 12 games1,372 P+224 · 14 games
Oct 20261,156 Pno change · 10 games1,148 Pno change · 9 games
Sep 20261,156 Pno change · 10 games1,148 Pno change · 9 games
Aug 20261,156 Pno change · 10 games1,148 Pno change · 9 games
Jul 20261,156 Pno change · 10 games1,148 Pno change · 9 games
Jun 20261,156 Pno change · 10 games1,148 Pno change · 9 games
May 20261,156 Pno change · 10 games1,148 Pno change · 9 games
Apr 20261,156 Pno change · 10 games1,148 Pno change · 9 games
Mar 20261,156 Pno change · 10 games1,148 Pno change · 9 games
Feb 20261,156 Pno change · 10 games1,148 Pno change · 9 games
Jan 20261,156 Pno change · 10 games1,148 Pno change · 9 games
Dec 20251,156 P10 games1,148 P9 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.