USCF player statistics

Guerrero, Alex

USCF 31874473MissouriLatest monthly rating update: Sep 2026
Official US Chess record

Quick rating

791

Provisional rating · Sep 2026 · 10 published updates since Dec 2025

Sep 2026791 provisional
Dec 2025: 791 provisionalJan 2026: 791 provisionalFeb 2026: 791 provisionalMar 2026: 791 provisionalApr 2026: 791 provisionalMay 2026: 791 provisionalJun 2026: 791 provisionalJul 2026: 791 provisionalAug 2026: 791 provisionalSep 2026: 791 provisional
Dec 2025Sep 2026
10 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
No gain between published updates yet
Biggest drop
No drop between published updates yet
Longest rise
No consecutive gains yet
Current run
9 updates
Unchanged since Dec 2025
Typical move
±0
Mean absolute change; spread ±0

Quick rating in context

Sep 2026 update

United States

51.6%of the comparison population has a lower rating.

40,828 lower · 42 same rating · 38,149 higher

Missouri

46.1%of the comparison population has a lower rating.

626 lower · 1 same rating · 728 higher

Where this rating sits · United States

79,019 rated members in 50-point bands · median 750–799 · 9,857 within 100 points of 791

Player · 791
01,4002,800

750799: 2,474 members (3.1%) · highlighted band is the player’s · dashed line is the target

52.2% below 800 (41,280 of 79,019; 51.6% below 791)

How these comparisons are calculated

Chess67 calculations from the Sep 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: it is a rating comparison, not a prediction of future rank. This player is outside that comparison population; no membership rank is assigned.

United States statistics Missouri 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 Guerrero, Alex
MonthQuick
Sep 2026791 Pno change · 6 games
Aug 2026791 Pno change · 6 games
Jul 2026791 Pno change · 6 games
Jun 2026791 Pno change · 6 games
May 2026791 Pno change · 6 games
Apr 2026791 Pno change · 6 games
Mar 2026791 Pno change · 6 games
Feb 2026791 Pno change · 6 games
Jan 2026791 Pno change · 6 games
Dec 2025791 P6 games

Enter an 8-digit USCF ID, or at least 3 letters of a name. Similar names in MO appear first.

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.