USCF player statistics
Biernacki, Mark
- Top rated · #19 in North Carolina (Blitz)
- Top rated · #10 in North Carolina (Online Blitz)
- Top rated · #12 in North Carolina (Online Quick)
- Top rated · #41 in North Carolina (Quick)
- Top rated · #42 in North Carolina (Regular)
- Gender
- Male
- FIDE
- FIDE 2082322
- TD
- Local
- US Chess reported rank
- #1,263 national · #41 in state
- Floor
- Regular 2,000 · Quick 1,700 · Blitz 1,800 · Online Quick 1,700 · Online Blitz 100
- Rated games
- Online Blitz 19
US Chess record as of Sep 15, 2026
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- +24
- Sep 2026 to Oct 2026
- Biggest drop
- -16
- Aug 2026 to Sep 2026
- Longest rise
- 1 update
- +24 from Sep 2026 to Oct 2026
- Updates that moved
- 4 of 11
- Latest -13, Oct 2026 to Nov 2026
- Typical move
- ±5
- Mean absolute change; spread ±10.1
Regular rating in context
United States
#1,429of 83,032 rated members · higher than 98.2%
81,594 lower · 10 same rating · 1,428 higher · ties share a rank
North Carolina
#42of 2,787 rated members · higher than 98.4%
2,745 lower · 1 same rating · 41 higher · ties share a rank
Where this rating sits · United States
83,032 rated members in 50-point bands · median 850–899 · 1,762 within 100 points of 2,153 (this player included)
2,150–2,199: 314 members (0.3%) · highlighted band is the player’s · dashed line is the target
98.6% below 2,200 (81,886 of 83,032; 98.2% below 2,153)
Percentile over time · United States
98.2% higher than · Nov 2026 · rank #1,429 of 83,032
Since Dec 2025
-0.1 pts
How these comparisons are calculated
Chess67 calculations from the Nov 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, with this player at their recorded rating: it is a rating comparison, not a prediction of future rank.
Published ratings by month
P marks a provisional rating; the small figure is the change since the previous published observation.
| Month | Regular | Quick | Blitz | Online Quick | Online Blitz |
|---|---|---|---|---|---|
| Nov 2026 | 2,153-13 | 1,983no change | 2,065no change | 1,988no change | 2,058 Pno change · 19 games |
| Oct 2026 | 2,166+24 | 1,983no change | 2,065no change | 1,988no change | 2,058 Pno change · 19 games |
| Sep 2026 | 2,142-16 | 1,983no change | 2,065no change | 1,988no change | 2,058 Pno change · 19 games |
| Aug 2026 | 2,158no change | 1,983+7 | 2,065+45 | 1,988no change | 2,058 Pno change · 19 games |
| Jul 2026 | 2,158no change | 1,976no change | 2,020no change | 1,988no change | 2,058 Pno change · 19 games |
| Jun 2026 | 2,158no change | 1,976no change | 2,020no change | 1,988no change | 2,058 Pno change · 19 games |
| May 2026 | 2,158no change | 1,976no change | 2,020no change | 1,988no change | 2,058 Pno change · 19 games |
| Apr 2026 | 2,158no change | 1,976no change | 2,020no change | 1,988no change | 2,058 Pno change · 19 games |
| Mar 2026 | 2,158no change | 1,976no change | 2,020no change | 1,988no change | 2,058 Pno change · 19 games |
| Feb 2026 | 2,158no change | 1,976no change | 2,020no change | 1,988no change | 2,058 Pno change · 19 games |
| Jan 2026 | 2,158-6 | 1,976no change | 2,020no change | 1,988no change | 2,058 Pno change · 19 games |
| Dec 2025 | 2,164 | 1,976 | 2,020 | 1,988 | 2,058 P19 games |