Format
IC
Isaac, Ceferino
🇳🇿FIDE 4303806· Male· New Zealand· Born in 1943
Follow Ceferino IsaacTrack his monthly FIDE ratings, games, tournaments and more.
Ceferino Isaac, a 83-year-old player, is rated 1742. He has fluctuated between 1734 and 1796 over the past 2 years. 24 rated games in the past year (≈11/year long-term). Recent standard appearances include 2026 North Shore Summer Cup Rounds 6-7, 2026 North Shore Summer Cup Rounds 2-5, and 2026 North Shore Summer Cup Round 1. Also played 4 rapid events (including 2026 North Shore Rapid 1st Leg Rounds 1-2) recently. He took a 81-month break between Nov 2011 and Sep 2018. His peak of 1965 was reached at age 68 (Nov 2011); he also reached #51 nationally in Mar 2022.
Current rating
1742
Standard
Rpd1748·Blz1839
All-time high
1965
−223 pts below
Nov 2011 · age 68
Nov 2011 · age 68
Activity
25
games / yr avg. · ≈2/mo
21 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#95,328
#95,328 · players worldwide · of 218,279
Career timeline
14 entries2024
100 career games
at age 81
Jun 2024
Best 12-month gain (+97 Elo)
1735 → 1832
Mar 2024
Re-crossed 1800
at age 81
Mar 2024
2nd 80+ player nationally
at age 81 · rated 1741
Feb 2024
2022
1st 75-80 player nationally
at age 79 · rated 1877
Apr 2022
Peak national rank: #51
at age 79 · rated 1877
Mar 2022
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Evolution
-21
1763 → 1742
Tournaments
8
24 games
Score
14/ 2458.3%
10W8D6L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
8 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 2/1 | #34 | 2229 | +2.8 |
Swiss | Mar 2026 | 1.5/1 | #38 | 2921 | +7.4 |
Swiss | Feb 2026 | 1/4 | #39 | 1379 | -40.8 |
Swiss | Jan 2026 | 1/1 | #11 | 2347 | +4.4 |
Swiss | Jul 2025 | 2.5/4 | #8 | 1792 | +4.0 |
Swiss | Jul 2025 | 2.5/2 | #13 | 2386 | +2.4 |
Open Swiss | Jun 2025 | 3/6 | #25 | 1884 | +15.2 |
Swiss | Jun 2025 | 0.5/2 | #28 | 1344 | -21.6 |
Most-Played Opponents
vsAntonio Krstev
🇳🇿NZL·1837
+1 −3 =4
8 games·last met Feb 2025
View head-to-head →
vsJustin Zhide WangCM
🇳🇿NZL·2072
+2 −4 =1
7 games·last met May 2026
View head-to-head →
vsTing Liang
🇳🇿NZL·1567
+5 −0 =2
7 games·last met Jan 2025
View head-to-head →
vsDavid Junyang Zhu
🇳🇿NZL·1812
+2 −2 =3
7 games·last met Jan 2024
View head-to-head →
vsJohn Pakenham
🇳🇿NZL·1541
+4 −2 =0
6 games·last met Apr 2026
View head-to-head →
Rankings
/
New Zealand
#164
out of 648 players
Asia-Pacific
#12,259
in continent
World
#95,326
out of 400,000+
National ranking
Europe & World
Europe
World
New Zealand
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