Format
PC
Pacheco Calderon, Jarek
🇵🇷FIDE 3111784· Male· Puerto Rico· Born in 2011
Follow Jarek Pacheco CalderonTrack his monthly FIDE ratings, games, tournaments and more.
Jarek Pacheco Calderon, a 15-year-old player, is rated 1788. He has slipped back 87 Elo over the past 12 months. 61 rated games in the past year (≈40/year long-term). Recent standard appearances include XXIII Torneo de Ajedrez Jose de Diego - Clase A, Campeonato Nacional Juvenil de Puerto Rico 2026, and Torneo Cerrado de Ajedrez Joscos. Also played 1 rapid event (including XXXVII Torneo de Ajedrez Ignacio de Loyola Intermedia (7-9)) recently. His peak of 1907 was reached at age 14 (Dec 2025, #32 nationally at the time).
At junior level, he reached #1, #1 and #1 nationally in U16, U14 and U12.
Current rating
1788
Standard
Rpd1757·Blz—
All-time high
1907
−119 pts below
Dec 2025 · age 14
Dec 2025 · age 14
Activity
39
games / yr avg. · ≈3/mo
48 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
#80,122
#80,122 · players worldwide · of 218,279
Career timeline
9 entries2026
100 career games
at age 15
May 2026
1st U16 player nationally
at age 15 · rated 1900
Jan 2026
2025
Peak national rank: #32
at age 14 · rated 1907
Dec 2025
All-time peak 1907
at age 14 · −119 from today
Dec 2025
1st U14 player nationally
at age 14 · rated 1875
Jun 2025
2024
Best 12-month gain (+416 Elo)
1408 → 1824
Nov 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Best result
II Campeonato Abierto de Ajedrez Por Equipos Jose Miguel Perez Perez In Memoriam 2025perf 1991 (+84) · 3.5/5 · #3
Top opponent
Best comeback
II Campeonato Abierto de Ajedrez Por Equipos Jose Miguel Perez Perez In Memoriam 2025finished #3 (seeded #13 of 100)
Evolution
-87
1875 → 1788
Tournaments
8
55 games
Score
28.5/ 5551.8%
25W16D14L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
8 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 1/4 | #20 | 1763 | -18.0 |
Swiss | Mar 2026 | 3/5 | #5 | 1670 | -46.4 |
Round-Robin | Mar 2026 | 6/9 | #3 | 1792 | -30.0 |
Swiss | Jan 2026 | 1.5/4 | #22 | 1823 | -18.4 |
Swiss | Dec 2025 | 6/9 | #3 | 1869 | -6.8 |
Open Swiss | Nov 2025 | 3.5/5 | #3 | 1991 | +32.4 |
Open Swiss | Aug 2025 | 3/4 | #6 | 1868 | +1.6 |
Swiss | Jul 2025 | 4.5/8 | #20 | 1913 | -1.6 |
Most-Played Opponents
Rankings
/
Puerto Rico
#72
out of 224 players
Americas
#9,276
in continent
World
#80,120
out of 400,000+
National ranking
Europe & World
Europe
World
Puerto Rico
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Americas
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World
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