Pierre Chang vs Shiva Kalka
Pierre Chang (25, SUR) and Shiva Kalka (25, CM, SUR) have met 8 times in classical OTB plus 1 rapid/blitz game. Chang leads the classical series 7–0 (1 draw). With current classical ratings of 2155 and 1852, the Elo model gives Chang a 82% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2155 vs 1852 (Δ +303)
With Pierre Chang as white
82% Pierre10% draw7% Shiva
With Shiva Kalka as white
76% Pierre12% draw11% Shiva
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Pierre Chang | Shiva Kalka | |
|---|---|---|
| Current rating (STD) | 2155 | 1852+17 |
| Peak rating | 2155 · Jun 2019 | 1863 · Apr 2025 |
| Peak age | 18 | 24 |
| World rank now | #12,505 | #60,771 |
| World rank peak | #12,313 | #56,378 |
| Federation rank now | #1 | #10 |
| Games (career, STD) | 253 | 263 |
| Months active | 168 | 138 |
| % white wins | 61% | 50% |
| % black wins | 62% | 41% |
| TPR last 12m (STD) | — | 1899 |
| Activity 12m (games) | 0 | 27 |
Best Win
Pierre Chang
Shiva Kalka
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (9)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Pierre Chang
Shiva Kalka