R A Thaweesha Nawanjana vs Kosala Sandeepa Chamikara Amarathunge
R A Thaweesha Nawanjana (20, SRI) and Kosala Sandeepa Chamikara Amarathunge (19, CM, SRI) have met 4 times in classical OTB plus 3 rapid/blitz games. Amarathunge leads the classical series 3–1 (0 draws). With current classical ratings of 1702 and 1942, the Elo model gives Amarathunge a 70% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1702 vs 1942 (Δ -240)
With R A Thaweesha Nawanjana as white
17% R13% draw70% Kosala
With Kosala Sandeepa Chamikara Amarathunge as white
11% R11% draw77% Kosala
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| R A Thaweesha Nawanjana | Kosala Sandeepa Chamikara Amarathunge | |
|---|---|---|
| Current rating (STD) | 1702 | 1942 |
| Peak rating | 1702 · May 2026 | 2024 · Oct 2024 |
| Peak age | 20 | 17 |
| World rank now | #108,986 | #38,374 |
| World rank peak | #104,775 | #22,137 |
| Federation rank now | #360 | #59 |
| Games (career, STD) | 306 | 476 |
| Months active | 100 | 68 |
| % white wins | 48% | 61% |
| % black wins | 43% | 56% |
| TPR last 12m (STD) | 1533 | 1795 |
| Activity 12m (games) | 25 | 123 |
Best Win
R A Thaweesha Nawanjana
Kosala Sandeepa Chamikara Amarathunge
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).
R A Thaweesha Nawanjana
Kosala Sandeepa Chamikara Amarathunge