Mauro Guimaraes De Souza vs Jose Antonio Vallejos
Mauro Guimaraes De Souza (58, IM, BRA) and Jose Antonio Vallejos (74, BRA) have never met in classical OTB, but played 23 rapid/blitz games on record. They share 49 common opponents with at least 3 games each side, providing a calibration of relative strength. With current classical ratings of 2299 and 1885, the Elo model gives De Souza a 89% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2299 vs 1885 (Δ +414)
With Mauro Guimaraes De Souza as white
89% Mauro8% draw3% Jose
With Jose Antonio Vallejos as white
85% Mauro10% draw5% Jose
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Mauro Guimaraes De Souza | Jose Antonio Vallejos | |
|---|---|---|
| Current rating (STD) | 2299 | 1885 |
| Peak rating | 2383 · Apr 2004 | 2064 · Jan 2004 |
| Peak age | 36 | 52 |
| World rank now | #5,014 | #53,081 |
| World rank peak | #2,573 | #29,260 |
| Federation rank now | #36 | #622 |
| Games (career, STD) | 76 | 133 |
| Months active | 220 | 212 |
| % white wins | 65% | 55% |
| % black wins | 59% | 46% |
| TPR last 12m (STD) | — | — |
| Activity 12m (games) | 0 | 720 |
Best Win
Mauro Guimaraes De Souza
Jose Antonio 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).
Mauro Guimaraes De Souza
Jose Antonio Vallejos