Format
RA
Ruiz Arnaiz, Guillermo
🇪🇸FIDE 94781931· Male· Spain· Born in 1971
Follow Guillermo Ruiz ArnaizTrack his monthly FIDE ratings, games, tournaments and more.
Guillermo Ruiz Arnaiz, a 55-year-old Spanish player, is rated 1766 — just 5 short of his peak of 1771 (Jun 2025, age 54). He has held steady between 1750 and 1800 for 13 months. 10 rated games in the past year (≈7/year long-term). Recent appearance: Campeonato Provincial CTL Segovia Absoluto 2026. Also played 3 rapid (including Campeonato Veteranos Segovia 2025) and 1 blitz events (including Campeonato Provincial CTL Segovia Relampago 2026) recently. He took a 13-month break between Apr 2024 and Jun 2025.
Current rating
1766
Standard
Rpd1803·Blz1732
All-time high
1771
−5 pts below
Jun 2025 · age 54
Jun 2025 · age 54
Activity
5
games / yr avg.
4 past 12 mo
classical only
Occasional
classical only
Occasional
Signature stat
#87,208
#87,208 · players worldwide · of 218,279
Career timeline
7 entries2025
All-time peak 1771
at age 54 · −5 from today
Jun 2025
2024
Best 12-month gain (+202 Elo)
1524 → 1726
Apr 2024
Inactive for 13 months
paused at 1726 → returned at 1771
Apr 2024
Crossed 1600
at age 53
Mar 2024
2023
Crossed 1500
at age 52
Apr 2023
Crossed 1400
at age 52
Apr 2023
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
FIDE recal.
Activity & highlights
Top opponent
Evolution
-5
1771 → 1766
Tournaments
1
5 games
Score
3.5/ 570.0%
3W1D1L
Top 3 wins
Top 1 loss
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Mar 2026 | 3.5/4 | #9 | 1974 | -5.2 |
Most-Played Opponents
vsXian Carbia Velasco
🇪🇸ESP·1578
+5 −1 =0
6 games·last met Mar 2026
View head-to-head →
vsJuan Carlos Garcia Perez
🇪🇸ESP·1966
+3 −1 =2
6 games·last met Sep 2025
View head-to-head →
vsMikel Blanco Hernando
🇪🇸ESP·1704
+2 −2 =1
5 games·last met Mar 2026
View head-to-head →
vsDiego Lopez Valladares
🇪🇸ESP·1631
+3 −1 =1
5 games·last met Apr 2025
View head-to-head →
Rankings
/
Spain
#8,242
out of 20,300 players
Europe
#62,615
in continent
World
#87,206
out of 400,000+
National ranking
Europe & World
Europe
World
Spain
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Europe
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World
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