Piero Alonso Pumachaico Valdiviezo vs Joaquin Alonso Nunez Castaneda
Piero Alonso Pumachaico Valdiviezo (14, PER) and Joaquin Alonso Nunez Castaneda (14, PER) have met 7 times in classical OTB plus 5 rapid/blitz games. Pumachaico Valdiviezo leads the classical series 5–0 (2 draws). With current classical ratings of 2014 and 1890, the Elo model gives Pumachaico Valdiviezo a 63% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2014 vs 1890 (Δ +124)
With Piero Alonso Pumachaico Valdiviezo as white
63% Piero16% draw21% Joaquin
With Joaquin Alonso Nunez Castaneda as white
53% Piero19% draw28% Joaquin
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Piero Alonso Pumachaico Valdiviezo | Joaquin Alonso Nunez Castaneda | |
|---|---|---|
| Current rating (STD) | 2014 | 1890 |
| Peak rating | 2104 · Feb 2026 | 1890 · May 2026 |
| Peak age | 14 | 14 |
| World rank now | #25,378 | #50,624 |
| World rank peak | #15,098 | #50,624 |
| Federation rank now | #112 | #203 |
| Games (career, STD) | 340 | 261 |
| Months active | 51 | 30 |
| % white wins | 60% | 56% |
| % black wins | 58% | 41% |
| TPR last 12m (STD) | 1905 | 1777 |
| Activity 12m (games) | 165 | 200 |
Best Win
Piero Alonso Pumachaico Valdiviezo
Joaquin Alonso Nunez Castaneda
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (12)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Piero Alonso Pumachaico Valdiviezo
Joaquin Alonso Nunez Castaneda