Juan Sebastian Herrera vs Jefferson Rosero
Juan Sebastian Herrera (35, FM, COL) and Jefferson Rosero (29, COL) have never met in classical OTB, but played 7 rapid/blitz games on record. They share 18 common opponents with at least 3 games each side, providing a calibration of relative strength. With current classical ratings of 2280 and 2087, the Elo model gives Herrera a 71% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2280 vs 2087 (Δ +193)
With Juan Sebastian Herrera as white
71% Juan15% draw14% Jefferson
With Jefferson Rosero as white
62% Juan18% draw20% Jefferson
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Juan Sebastian Herrera | Jefferson Rosero | |
|---|---|---|
| Current rating (STD) | 2280 | 2087 |
| Peak rating | 2371 · Jun 2019 | 2120 · Aug 2015 |
| Peak age | 28 | 18 |
| World rank now | #4,711 | #20,179 |
| World rank peak | #2,862 | #17,000 |
| Federation rank now | #22 | #134 |
| Games (career, STD) | 857 | 104 |
| Months active | 202 | 145 |
| % white wins | 63% | 53% |
| % black wins | 55% | 57% |
| TPR last 12m (STD) | 2305 | — |
| Activity 12m (games) | 212 | 9 |
Best Win
Juan Sebastian Herrera
Jefferson Rosero
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).
Juan Sebastian Herrera
Jefferson Rosero