Mauro Guimaraes De Souza vs Eduardo da Costa Marra
Mauro Guimaraes De Souza (58, IM, BRA) and Eduardo da Costa Marra (42, FM, BRA) have never met in classical OTB, but played 7 rapid/blitz games on record. They share 25 common opponents with at least 3 games each side, providing a calibration of relative strength. With current classical ratings of 2299 and 2215, the Elo model gives De Souza a 56% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2299 vs 2215 (Δ +84)
With Mauro Guimaraes De Souza as white
56% Mauro20% draw23% Eduardo
With Eduardo da Costa Marra as white
45% Mauro24% draw31% Eduardo
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Mauro Guimaraes De Souza | Eduardo da Costa Marra | |
|---|---|---|
| Current rating (STD) | 2299 | 2215 |
| Peak rating | 2383 · Apr 2004 | 2310 · Jan 2011 |
| Peak age | 36 | 27 |
| World rank now | #5,014 | #7,380 |
| World rank peak | #2,573 | #4,628 |
| Federation rank now | #36 | #55 |
| Games (career, STD) | 76 | 464 |
| Months active | 220 | 219 |
| % white wins | 65% | 63% |
| % black wins | 59% | 57% |
| TPR last 12m (STD) | — | 2141 |
| Activity 12m (games) | 0 | 106 |
Best Win
Mauro Guimaraes De Souza
Eduardo da Costa Marra
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (7)
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
Eduardo da Costa Marra