Mark Heimann vs Josiah Stearman
Mark Heimann (33, GM, USA) and Josiah Stearman (23, IM, USA) have met 4 times in classical OTB plus 2 rapid/blitz games. Stearman leads the classical series 2–0 (2 draws). With current classical ratings of 2479 and 2481, the Elo model gives Stearman a 31% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2479 vs 2481 (Δ -2)
With Mark Heimann as white
41% Mark28% draw31% Josiah
With Josiah Stearman as white
31% Mark27% draw42% Josiah
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Mark Heimann | Josiah Stearman | |
|---|---|---|
| Current rating (STD) | 2479 | 2481+4 |
| Peak rating | 2520 · Sep 2025 | 2481 · May 2026 |
| Peak age | 32 | 23 |
| World rank now | #743 | #733 |
| World rank peak | #461 | #733 |
| Federation rank now | #51 | #49 |
| Games (career, STD) | 437 | 1,230 |
| Months active | 194 | 149 |
| % white wins | 61% | 49% |
| % black wins | 56% | 46% |
| TPR last 12m (STD) | 2403 | 2465 |
| Activity 12m (games) | 91 | 90 |
Best Win
Mark Heimann
Josiah Stearman
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).
Mark Heimann
Josiah Stearman