Iyan Gonzalez Guedes vs Lionel Sierra Vallina
Iyan Gonzalez Guedes (22, FM, ESP) and Lionel Sierra Vallina (17, FM, ESP) have met 6 times in classical OTB plus 12 rapid/blitz games. Gonzalez Guedes leads the classical series 2–1 (3 draws). With current classical ratings of 2229 and 2412, the Elo model gives Sierra Vallina a 60% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2229 vs 2412 (Δ -183)
With Iyan Gonzalez Guedes as white
20% Iyan19% draw60% Lionel
With Lionel Sierra Vallina as white
14% Iyan16% draw70% Lionel
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Iyan Gonzalez Guedes | Lionel Sierra Vallina | |
|---|---|---|
| Current rating (STD) | 2229-1 | 2412-4 |
| Peak rating | 2308 · Aug 2021 | 2416 · Apr 2026 |
| Peak age | 17 | 17 |
| World rank now | #6,738 | #1,468 |
| World rank peak | #4,383 | #1,422 |
| Federation rank now | #407 | #58 |
| Games (career, STD) | 669 | 444 |
| Months active | 135 | 92 |
| % white wins | 56% | 64% |
| % black wins | 54% | 58% |
| TPR last 12m (STD) | 2176 | 2391 |
| Activity 12m (games) | 90 | 156 |
Best Win
Iyan Gonzalez Guedes
Lionel Sierra Vallina
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (18)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Iyan Gonzalez Guedes
Lionel Sierra Vallina