Format
Fernandez Guillen, Ernesto J.
IM🇨🇺FIDE 3512428· Male· Cuba· Born in 1994
Follow Ernesto J. Fernandez GuillenTrack his monthly FIDE ratings, games, tournaments and more.
Ernesto J. Fernandez Guillen, a 32-year-old Cuban International Master, is rated 2439 and ranked 13th among Cuban players, and in the top 1% worldwide. He has slipped back 46 Elo over the past 12 months. 64 rated games in the past year (≈55/year long-term). Recent standard appearances include V Open Chess Menorca 2026, 52 Torneo Internacional de Ajedrez de La Roda 2026, and Lliga Catalana 2026 - Divisio D'Honor Play-Off Final Rondas 1-3. Also played 3 rapid (including CE Parejas Mixtas Rapido 2025) and 6 blitz events (including V Blitz Chess Menorca 2026) recently. His peak of 2488 was reached at age 31 (Sep 2025, Cuban #5 at the time).
Awarded IM in 2017 (age 23) and FM in 2013 (age 19). Earned GM norms at Torneig Ciutat de Barcelona Obert de Sants 2022 Grupo A and III Open Internacional La Nucia 2022. At junior level, he reached World #81 in U14, World #40 in U12 and #3, #4 and #3 nationally in U20, U18 and U16.
Current rating
2439
Standard
Rpd2479·Blz2349
All-time high
2488
−49 pts below
Sep 2025 · age 31
Sep 2025 · age 31
Activity
62
games / yr avg. · ≈5/mo
64 past 12 mo · ≈5/mo
classical only
Active
classical only
Active
Signature stat
#13
#13 · Cuban players · of 503
Career timeline
25 entries2025
All-time peak 2488
at age 31 · −49 from today
Sep 2025
Peak Cuban rank: #5
at age 31 · rated 2486
Aug 2025
1,000 career games
at age 31
May 2025
2022
Re-crossed 2400
at age 28
Sep 2022
2020
Inactive for 24 months
paused at 2411 → returned at 2390
Jan 2020
2019
Re-crossed 2400
at age 25
Oct 2019
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
Activity & highlights
Top opponent
Evolution
-46
2485 → 2439
Tournaments
11
64 games
Score
43.5/ 6468.0%
36W15D13L
Top 3 wins
2.[W]vsSalvador Gabriel Del Rio De AngelisGM2,407·XXII Torneo Internacional Gran Hotel Bali Grupo A·R7·+4.1
Top 3 losses
Last 12 months — tournaments
11 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 6/9 | #51 | 2442 | +0.2 |
Open Swiss | Mar 2026 | 6/9 | #30 | 2261 | -15.5 |
Open Swiss | Mar 2026 | 0.5/2 | #85 | — | -8.1 |
Round-Robin | Feb 2026 | 1/1 | #20 | — | +2.3 |
Round-Robin | Feb 2026 | 0.5/2 | #86 | — | -9.9 |
Round-Robin | Jan 2026 | 1/1 | #3 | — | +4.5 |
Lliga Catalana 2026 - Divisio d'Honor Grup I Lliga Catalana 2026 - Divisio d'Honor Grup I Rondas 1-2 Round-Robin | Jan 2026 | 1/2 | #19 | — | -3.0 |
Open Swiss | Dec 2025 | 6/10 | #57 | 2215 | -25.3 |
Open Swiss | Nov 2025 | 7/9 | #2 | 2523 | +4.9 |
Open Swiss | Jul 2025 | 7/9 | #11 | 2465 | +2.0 |
Worst Elo result: XII International Sunway Sitges Chess Festival - Group A (-25.3 Elo, finished #57).
Most-Played Opponents
vsCarlos Rene Alvarez FernandezFM
🇨🇺CUB·2291
+10 −7 =10
27 games·last met Feb 2019
View head-to-head →
vsAbel Fabian Lopez GonzalezIM
🇨🇺CUB·2373
+7 −8 =7
22 games·last met Dec 2019
View head-to-head →
vsAlejandro Yanes CanizaresFM
🇨🇺CUB·2358
+6 −11 =5
22 games·last met Feb 2019
View head-to-head →
vsJony Wilson Leon ValdesIM
🇨🇺CUB·2279
+5 −7 =10
22 games·last met Oct 2016
View head-to-head →
vsJose Manuel Calvo QuinteiroFM
🇨🇺CUB·2307
+8 −4 =10
22 games·last met Sep 2014
View head-to-head →
Rankings
/
Cuba
#13
out of 535 players
Americas
#140
in continent
World
#1,138
out of 400,000+
National ranking
Europe & World
Europe
World
Cuba
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| 6 | 🇨🇺Follow Renier Vazquez IgarzaTrack their monthly FIDE ratings, games, tournaments and more. | 2,494 |
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| 10 | 🇨🇺Follow Lelys Stanley Martinez DuanyTrack their monthly FIDE ratings, games, tournaments and more. | 2,455 |
| ... | ||
| 13 | 2,439 | |
Americas
| 1 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 1 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
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| 5 | 🇺🇸Follow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
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| ... | ||
| 140 | 2,439 | |
World
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| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
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| ... | ||
| 1138 | 2,439 | |