USCF player statistics

Breunig, Grant

USCF 32245409FloridaLatest available supplement: Sep 2026
Official US Chess record
Rating format

Regular rating

673

Provisional rating

450600750Dec 2025: 513 (provisional)Jan 2026: 513 (provisional)Feb 2026: 513 (provisional)Mar 2026: 519 (provisional)Apr 2026: 519 (provisional)May 2026: 519 (provisional)Jun 2026: 672 (provisional)Jul 2026: 672 (provisional)Aug 2026: 673 (provisional)Sep 2026: 673 (provisional)Dec 2025Sep 2026
Published supplement ratings. Lines connect available observations; they do not show individual tournament results.

Regular rating in context

United States

#49,623

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

Higher than 40.6% of ratings in this population.

Florida

#2,549

Among 4,396 rated members; tied ratings share a rank.

Higher than 41.9% 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 Breunig, Grant
SupplementRegularQuick
Sep 2026673 P790 P
Aug 2026673 P790 P
Jul 2026672 P789 P
Jun 2026672 P789 P
May 2026519 P526 P
Apr 2026519 P526 P
Mar 2026519 P526 P
Feb 2026513 P509 P
Jan 2026513 P509 P
Dec 2025513 P509 P

US Chess membership

Register or renew through Chess67. If you already have a USCF ID, use your existing ID when renewing.

Register or renew membership

Find a chess tournament

Browse upcoming events and check each tournament’s sections, rating requirements and registration details.

Find USCF-rated tournaments
Browse all chess events

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 statisticsFlorida USCF statistics