USCF player statistics

Biernacki, Mark

USCF 13103304North CarolinaLatest available supplement: Sep 2026
Official US Chess record
Rating format

Online Blitz rating

2,058

Provisional rating

200020502100Dec 2025: 2058 (provisional)Jan 2026: 2058 (provisional)Feb 2026: 2058 (provisional)Mar 2026: 2058 (provisional)Apr 2026: 2058 (provisional)May 2026: 2058 (provisional)Jun 2026: 2058 (provisional)Jul 2026: 2058 (provisional)Aug 2026: 2058 (provisional)Sep 2026: 2058 (provisional)Dec 2025Sep 2026
Published supplement ratings. Lines connect available observations; they do not show individual tournament results.

Online Blitz rating in context

North Carolina

#11

Among 219 rated members; tied ratings share a rank.

Higher than 94.9% of ratings in this population.

United States

#270

Among 4,863 rated members; tied ratings share a rank.

Higher than 94.4% 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 Biernacki, Mark
SupplementOnline Blitz
Sep 20262,058 P
Aug 20262,058 P
Jul 20262,058 P
Jun 20262,058 P
May 20262,058 P
Apr 20262,058 P
Mar 20262,058 P
Feb 20262,058 P
Jan 20262,058 P
Dec 20252,058 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 statisticsNorth Carolina USCF statistics