Format
BJ
Bumbak, Jacob
🇦🇺FIDE 3261832· Male· Australia· Born in 1994
Follow Jacob BumbakTrack his monthly FIDE ratings, games, tournaments and more.
Jacob Bumbak, a 32-year-old Australian player, is rated 1765. He is on a steady climb with +72 Elo over the past 12 months. 40 rated games in the past year (≈37/year long-term). Recent standard appearances include 23rd Bangkok Chess Club Challenger 2026, 3rd The Rooky Mini-Open 2026 - Standard Challenger, and The Rooky Monthly FIDE Rated March 2026 - Standard Open. Also played 1 rapid (including 3rd The Rooky Mini-Open 2026 - Super Rapid Open) and 1 blitz events (including 4th Blue Chevaliers International Open 2025 - Blitz) recently. His peak of 1810 was reached at age 30 (Apr 2024).
Current rating
1765
Standard
Rpd1647·Blz1645
All-time high
1810
−45 pts below
Apr 2024 · age 30
Apr 2024 · age 30
Activity
36
games / yr avg. · ≈3/mo
31 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
#87,543
#87,543 · players worldwide · of 218,279
Career timeline
7 entries2025
100 career games
at age 31
Aug 2025
2024
Best 12-month gain (+359 Elo)
1451 → 1810
Apr 2024
Crossed 1800
at age 30
Apr 2024
All-time peak 1810
at age 30 · −45 from today
Apr 2024
K-factor lowered to 20
at age 30
Apr 2024
Crossed 1600
at age 30
Mar 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Evolution
+72
1693 → 1765
Tournaments
5
38 games
Score
22.5/ 3859.2%
21W3D14L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 6.5/9 | #9 | 1916 | +48.4 |
Open Swiss | Apr 2026 | 5/4 | #11 | 2401 | -1.4 |
Swiss | Mar 2026 | 4/2 | #14 | 2292 | +10.2 |
Open Swiss | Sep 2025 | 3/6 | #23 | 1819 | +19.0 |
Open Swiss | Jul 2025 | 4/9 | #46 | 1682 | -4.2 |
Rankings
/
Australia
#510
out of 2,432 players
Asia-Pacific
#10,995
in continent
World
#87,541
out of 400,000+
National ranking
Europe & World
Europe
World
Australia
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