Roberto Crespo Santillan vs Joel Guerrero Zambrano
Roberto Crespo Santillan (42, ECU) and Joel Guerrero Zambrano (31, ECU) have met 6 times in classical OTB. Guerrero Zambrano leads the classical series 3–1 (2 draws). With current classical ratings of 1998 and 2055, the Elo model gives Guerrero Zambrano a 42% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1998 vs 2055 (Δ -57)
With Roberto Crespo Santillan as white
35% Roberto23% draw42% Joel
With Joel Guerrero Zambrano as white
27% Roberto19% draw53% Joel
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Roberto Crespo Santillan | Joel Guerrero Zambrano | |
|---|---|---|
| Current rating (STD) | 1998 | 2055 |
| Peak rating | 2289 · Jan 2001 | 2181 · Apr 2014 |
| Peak age | 17 | 19 |
| World rank now | #33,031 | #23,510 |
| World rank peak | #6,063 | #11,482 |
| Federation rank now | #74 | #29 |
| Games (career, STD) | 173 | 520 |
| Months active | 200 | 183 |
| % white wins | 58% | 61% |
| % black wins | 50% | 56% |
| TPR last 12m (STD) | — | — |
| Activity 12m (games) | 7 | 8 |
Best Win
Roberto Crespo Santillan
Joel Guerrero Zambrano
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (6)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Roberto Crespo Santillan
Joel Guerrero Zambrano