USCF player statistics

Mandrusov, William

USCF 30810708CaliforniaLatest available supplement: Sep 2026
Official US Chess record
Rating format

Regular rating

1,786

Provisional rating

155017251900Dec 2025: 1611 (provisional)Jan 2026: 1611 (provisional)Feb 2026: 1611 (provisional)Mar 2026: 1611 (provisional)Apr 2026: 1611 (provisional)May 2026: 1794 (provisional)Jun 2026: 1840 (provisional)Jul 2026: 1786 (provisional)Aug 2026: 1786 (provisional)Sep 2026: 1786 (provisional)Dec 2025Sep 2026
Published supplement ratings. Lines connect available observations; they do not show individual tournament results.

Regular rating in context

United States

#8,088

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

Higher than 90.3% of ratings in this population.

California

#1,094

Among 9,051 rated members; tied ratings share a rank.

Higher than 87.8% 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 Mandrusov, William
SupplementRegularQuickBlitz
Sep 20261,786 P1,492 P1,832 P
Aug 20261,786 P1,492 P1,832 P
Jul 20261,786 P1,492 P1,832 P
Jun 20261,840 P1,492 P1,942 P
May 20261,794 P1,492 P—
Apr 20261,611 P1,492 P—
Mar 20261,611 P1,492 P—
Feb 20261,611 P1,492 P—
Jan 20261,611 P1,492 P—
Dec 20251,611 P1,492 P—

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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 statisticsCalifornia USCF statistics