USCF player statistics

Pfeiffer, Timothy Y

USCF 32925919MichiganLatest available supplement: Sep 2026
Official US Chess record
Rating format

Regular rating

777

Provisional rating

700800900May 2026: 849 (provisional)Jun 2026: 799 (provisional)Jul 2026: 778 (provisional)Aug 2026: 778 (provisional)Sep 2026: 777 (provisional)May 2026Sep 2026
Published supplement ratings. Lines connect available observations; they do not show individual tournament results.

Regular rating in context

United States

#44,609

Among 83,635 rated members; tied ratings share a rank.

Higher than 46.6% of ratings in this population.

Michigan

#984

Among 1,935 rated members; tied ratings share a rank.

Higher than 49.1% of ratings in this population.

Calculated from the Sep 2026 supplement, using the same population as Chess67’s USCF statistics: US members classified as active by the supplement rules, excluding lifetime-coded records. Includes provisional ratings. These are Chess67 calculations, not official US Chess rankings.

Published ratings by supplement

All available formats. P indicates a provisional rating.

Monthly USCF ratings for Pfeiffer, Timothy Y
SupplementRegularQuick
Sep 2026777 P726 P
Aug 2026778 P726 P
Jul 2026778 P726 P
Jun 2026799 P747 P
May 2026849 P814 P
Apr 2026——

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About these statistics

These pages use the USCF supplements available to Chess67. Ratings can change between monthly publications. Missing months do not mean a player was inactive. For current ratings and tournament history, consult the official US Chess record.

National USCF statisticsMichigan USCF statistics