Format
PV
Pumachaico Valdiviezo, Piero Alonso
🇵🇪FIDE 3865126· Male· Peru· Born in 2012
Follow Piero Alonso Pumachaico ValdiviezoTrack his monthly FIDE ratings, games, tournaments and more.
Piero Alonso Pumachaico Valdiviezo, a 14-year-old Peruvian player, is rated 1987 and ranked 4th among Peruvian players under 14. He is on a steady climb with +56 Elo over the past 12 months. 76 rated games in the past year (≈65/year long-term). Recent standard appearances include Semifinal del Campeonato Nacional Superior Absoluto 2026, Campeonato Nacional Sub 20 2026 Peru, and XXXVIII IRT Clasicas Real Chess Club. Also played 4 rapid (including XXIV IRT Rapidas Real Chess Club) and 8 blitz events (including Campeonato Nacional Sub 20 2026 Blitz) recently. His peak of 2104 was reached at age 14 (Feb 2026, Peruvian #69 at the time).
At junior level, he reached #1, #1 and #11 nationally in U14, U12 and U10.
Current rating
1987
Standard
Rpd1790·Blz1990
All-time high
2104
−117 pts below
Feb 2026 · age 14
Feb 2026 · age 14
Activity
69
games / yr avg. · ≈6/mo
76 past 12 mo · ≈6/mo
classical only
Active
classical only
Active
Signature stat
#4
#4 · Peruvian players under 14 · of 296
Career timeline
10 entries2026
Peak Peruvian rank: #69
at age 14 · rated 2104
Feb 2026
1st Peruvian U14 player
at age 14 · rated 2104
Feb 2026
Crossed 2100
at age 14
Feb 2026
All-time peak 2104
at age 14 · −117 from today
Feb 2026
2025
Crossed 2000
at age 13
Nov 2025
2024
1st Peruvian U12 player
at age 12 · rated 1865
Jun 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Top opponent
Evolution
+58
1929 → 1987
Tournaments
12
79 games
Score
57/ 7972.2%
51W12D16L
Top 3 wins
1.[W]vsJuan Antonio Villar Reymundo2,134·Semifinal del Campeonato Nacional Superior Absoluto 2026·R4·+28.0
2.[W]vsAgustin Duarte FernandezFM2,037·XXXV CAMPEONATO PANAMERICANO DE AJEDREZ DE LA JUVENTUD 2025 - U 14 Absoluto·R4·+23.1
3.[W]vsJhony Sebas Sifuentes Alcantara1,993·XXXI IRT CLASICO - 8 ANIVERSARIO REAL CHESS CLUB·R6·+20.5
Top 3 losses
Last 12 months — tournaments
10 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 4/9 | #24 | 1983 | -27.2 |
Open Swiss | Apr 2026 | 4/6 | #21 | 1950 | -22.0 |
Swiss | Mar 2026 | 4.5/6 | #2 | 1860 | -28.8 |
Swiss | Feb 2026 | 3/4 | #5 | 1900 | -50.4 |
Open Swiss | Jan 2026 | 5.5/7 | #3 | 2074 | +12.8 |
Open Swiss | Dec 2025 | 5.5/6 | #1 | 2315 | +58.8 |
Swiss | Nov 2025 | 5.5/6 | #1 | 2169 | +31.6 |
Swiss | Oct 2025 | 5.5/6 | #1 | 2128 | +28.8 |
Open Swiss | Sep 2025 | 4.5/5 | #3 | 2200 | +1.2 |
Open Swiss | Aug 2025 | 4.5/5 | #4 | 2125 | -4.0 |
Most-Played Opponents
vsLuis Fabricio Alfaro ZambranoFM
🇵🇪PER·2115
+5 −6 =8
19 games·last met Jan 2026
View head-to-head →
vsJhony Sebas Sifuentes Alcantara
🇵🇪PER·1804
+6 −5 =5
16 games·last met Mar 2026
View head-to-head →
vsRodrigo Sebastian Villacorta Asto
🇵🇪PER·1780
+8 −1 =4
13 games·last met Jan 2026
View head-to-head →
vsFabrizio Aaron Anticona Bocanegra
🇵🇪PER·1788
+10 −3 =0
13 games·last met Oct 2025
View head-to-head →
vsDante Ivan Vilca Contreras
🇵🇪PER·1998
+4 −4 =4
12 games·last met May 2026
View head-to-head →
Rankings
/
Peru
#127
out of 2,434 players
Americas
#3,134
in continent
World
#29,635
out of 400,000+
National ranking
Europe & World
Europe
World
Peru
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| ... | ||
| 127 | 1,987 | |
Americas
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| ... | ||
| 3134 | 1,987 | |
World
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| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
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| ... | ||
| 29635 | 1,987 | |