Martha Mateus vs Hector Andres Calero
Martha Mateus (48, WIM, COL) and Hector Andres Calero (27, COL) have never met in classical OTB, but played 5 rapid/blitz games on record. They share 8 common opponents with at least 3 games each side, providing a calibration of relative strength. With current classical ratings of 1951 and 1978, the Elo model gives Calero a 37% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1951 vs 1978 (Δ -27)
With Martha Mateus as white
39% Martha23% draw37% Hector
With Hector Andres Calero as white
31% Martha20% draw49% Hector
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Martha Mateus | Hector Andres Calero | |
|---|---|---|
| Current rating (STD) | 1951+1 | 1978 |
| Peak rating | 2235 · Oct 2001 | 1978 · Mar 2024 |
| Peak age | 23 | 25 |
| World rank now | #36,485 | #32,691 |
| World rank peak | #9,681 | #31,700 |
| Federation rank now | #228 | #226 |
| Games (career, STD) | 906 | 200 |
| Months active | 216 | 165 |
| % white wins | 55% | 53% |
| % black wins | 50% | 40% |
| TPR last 12m (STD) | 1858 | — |
| Activity 12m (games) | 116 | 0 |
Best Win
Martha Mateus
Hector Andres Calero
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (5)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Martha Mateus
Hector Andres Calero