USCF player statistics
Kostina, Polina
Official US Chess record- FIDE
- FIDE 0
Chess67 DiscordChat with the Chess67 community.Open Find a chess tournamentUpcoming events near you.Browse Find a chess clubClubs and meetups near you.Browse
Regular rating
8490 since May 2026
Published rating · Jun 2026 · 7 published updates since Dec 2025
Jun 2026849 Regular
Dec 2025Jun 2026
Overlays their published ratings on the chart; the link keeps the comparison.
Other formats against Regular
-164 Quick vs Regular
No national baseline for this rating band yet.
-81 Online Regular vs Regular (provisional)
No national baseline for this rating band yet.
How this rating moves
Between consecutive published observations, provisional included.
- Biggest gain
- —
- No gain between published updates yet
- Biggest drop
- —
- No drop between published updates yet
- Longest rise
- —
- No consecutive gains yet
- Current run
- 6 updates
- Unchanged since Dec 2025
- Typical move
- ±0
- Mean absolute change; spread ±0
Peer comparisons
A matching published population is not available for this rating. Older ratings are not compared with a newer membership snapshot.
Published ratings by month
P marks a provisional rating; the small figure is the change since the previous published observation.
| Month | Regular | Quick | Online Regular |
|---|---|---|---|
| Jun 2026 | 849no change | 685no change | 768 Pno change · 18 games |
| May 2026 | 849no change | 685no change | 768 Pno change · 18 games |
| Apr 2026 | 849no change | 685no change | 768 Pno change · 18 games |
| Mar 2026 | 849no change | 685no change | 768 Pno change · 18 games |
| Feb 2026 | 849no change | 685no change | 768 Pno change · 18 games |
| Jan 2026 | 849no change | 685no change | 768 Pno change · 18 games |
| Dec 2025 | 849 | 685 | 768 P18 games |