Joao Carlos Pereira Zanetti vs Jose Adolfo Vallejos
Joao Carlos Pereira Zanetti (73, BRA) and Jose Adolfo Vallejos (74, BRA) have never met in classical OTB, but played 23 rapid/blitz games on record. They share 66 common opponents with at least 3 games each side, providing a calibration of relative strength. With current classical ratings of 1816 and 1924, the Elo model gives Vallejos a 51% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1816 vs 1924 (Δ -108)
With Joao Carlos Pereira Zanetti as white
30% Joao19% draw51% Jose
With Jose Adolfo Vallejos as white
23% Joao16% draw62% Jose
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Joao Carlos Pereira Zanetti | Jose Adolfo Vallejos | |
|---|---|---|
| Current rating (STD) | 1816 | 1924 |
| Peak rating | 2003 · Jan 2001 | 2166 · Oct 2005 |
| Peak age | 48 | 53 |
| World rank now | #72,847 | #51,310 |
| World rank peak | #28,967 | #17,638 |
| Federation rank now | #1,073 | #659 |
| Games (career, STD) | 35 | 50 |
| Months active | 191 | 203 |
| % white wins | 32% | 48% |
| % black wins | 26% | 49% |
| TPR last 12m (STD) | — | — |
| Activity 12m (games) | 101 | 511 |
Best Win
Joao Carlos Pereira Zanetti
Jose Adolfo Vallejos
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (23)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Joao Carlos Pereira Zanetti
Jose Adolfo Vallejos