Format
KW
Kipersztok, William
🇺🇸FIDE 30942497· Male· United States of America· Born in 1989
Follow William KipersztokTrack his monthly FIDE ratings, games, tournaments and more.
William Kipersztok, a 37-year-old American player, is rated 1607. He has slipped back 41 Elo over the past 12 months. 11 rated games in the past year. Recent appearances: 2026 Phillip ONeal Taylor Georgia State Championship - Reserve and 2025 National Open - Under 2100. His peak of 1648 was reached at age 36 (Jul 2025).
Current rating
1607
Standard
Rpd—·Blz—
All-time high
1648
−41 pts below
Jul 2025 · age 36
Jul 2025 · age 36
Activity
12
games / yr avg. · ≈1/mo
11 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#143,676
#143,676 · players worldwide · of 216,808
Career timeline
5 entries2025
Crossed 1600
at age 36
Jul 2025
Crossed 1500
at age 36
Jul 2025
Crossed 1400
at age 36
Jul 2025
All-time peak 1648
at age 36 · −41 from today
Jul 2025
First FIDE rating
1648 · at age 36
Jul 2025
Standard rating history
Last 12 months — activity & highlights
Evolution
-41
1648 → 1607
Tournaments
2
9 games
Score
2.5/ 927.8%
1W3D5L
Top 2 wins
Top 3 losses
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 1/2 | #14 | 1506 | -41.2 |
Open Swiss | Jun 2025 | 1.5/6 | #137 | 1454 | 0.0 |
Worst Elo result: 2026 Phillip ONeal Taylor Georgia State Championship - Reserve (-41.2 Elo, finished #14).
Rankings
/
United States of America
#4,217
out of 5,412 players
Americas
#17,756
in continent
World
#143,665
out of 400,000+
National ranking
Europe & World
Europe
World
United States of America
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