Format
ZM
Zacarias, M Ruben D
FM🇵🇾FIDE 3700755· Male· Paraguay· Born in 1988
Follow M Ruben D ZacariasTrack his monthly FIDE ratings, games, tournaments and more.
M Ruben D Zacarias, a 38-year-old FIDE Master, is rated 2179 and ranked 12th among PAR players, and in the top 4% worldwide. He has held steady between 2150 and 2200 for 18 months. 10 rated games in the past year (≈25/year long-term). Recent appearances: Liga Paraguaya de Ajedrez Categoria A 2025 Ronda 1 al 3 and ITT DE LA BANDERA - 2025. Also played 2 rapid (including Torneo Abierto de Duplas - Club Internacional de Tenis 2025) and 2 blitz events (including Torneo Blitz Asuncion 18 de Octubre 2025) recently. He took a 35-month break between Dec 2018 and Dec 2021 (COVID-19 included). His peak of 2268 was reached at age 35 (Jun 2023); he also reached #7 nationally in Dec 2021 and spent 27 months in top 10.
Awarded FM in 2009 (age 21). At junior level, he reached #2, #3 and #4 nationally in U20, U18 and U16.
Current rating
2179
Standard
Rpd2141·Blz2050
All-time high
2268
−89 pts below
Jun 2023 · age 35
Jun 2023 · age 35
Activity
23
games / yr avg. · ≈2/mo
10 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#12
#12 · PAR players · of 370
27 months in National top 10 (2014–2025)
27 months in National top 10 (2014–2025)
Career timeline
23 entries2025
27 months in national top 10
since Mar 2014
Nov 2025
2024
Re-crossed 2200
at age 36
Jun 2024
2023
All-time peak 2268
at age 35 · −89 from today
Jun 2023
500 career games
at age 35
Jun 2023
Re-crossed 2200
at age 35
Apr 2023
2022
Re-crossed 2200
at age 34
Sep 2022
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
Activity & highlights
Top opponent
Evolution
+7
2172 → 2179
Tournaments
1
1 games
Score
1/ 1100.0%
1W0D0L
Top 1 win
1.[W]vsAngel Nathanael MontielCM2,057·Liga Paraguaya de Ajedrez Categoria A 2025 Ronda 1 al 3·R1·+6.6
Top losses
Undefeated in the last 12 months.
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Sep 2025 | 1/1 | #12 | 2857 | +6.8 |
Most-Played Opponents
vsMatias LatorreFM
🇵🇾PAR·2260
+4 −8 =5
17 games·last met Dec 2024
View head-to-head →
vsAntonio AlmironIM
🇵🇾PAR·2324
+2 −7 =8
17 games·last met Oct 2024
View head-to-head →
vsJohn Derek Heinichen R.CM
🇵🇾PAR·1944
+14 −2 =1
17 games·last met Dec 2023
View head-to-head →
vsCristobal ValienteIM
🇵🇾PAR·2205
+2 −3 =12
17 games·last met Dec 2016
View head-to-head →
vsJuan Sebastian MelianIM
🇵🇾PAR·2372
+3 −5 =5
13 games·last met Feb 2026
View head-to-head →
Rankings
/
Paraguay
#12
out of 438 players
Americas
#1,016
in continent
World
#9,341
out of 400,000+
National ranking
Europe & World
Europe
World
Paraguay
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| 6 | 🇵🇾Follow Antonio AlmironTrack their monthly FIDE ratings, games, tournaments and more. | 2,324 |
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| ... | ||
| 12 | 2,179 | |
Americas
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| 1 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 3 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
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| ... | ||
| 1016 | 2,179 | |
World
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| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
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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 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 9341 | 2,179 | |