Sri Lanka Senior National Chess Championship 2026
Open SwissStandard
20 players participated in this 6-round tournament, held from 24 Apr 2026 to 26 Apr 2026 in Colombo, Sri Lanka. Top 10 Elo average was 1611, and top seed was A M B Ekanayake (🇱🇰 SRI, 1797).
A M B Ekanayake (🇱🇰 SRI, 1797) won with 6.0/6, ahead of D D W Gamini Karunarathne (4.5) and Ruwan Nandika (4.0). Ekanayake won solo starting round 3.
The biggest upset came in round 3: Jagath Samarasuriya (1469) beat Arachchige Padmasi Kodithuwakku (1644), a +175-point gap.
Location
🇱🇰Colombo, Sri Lanka
Dates
24 Apr 2026 → 26 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Federations · 1 represented
🇱🇰Sri Lanka×16
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsA M B Ekanayake led from R3; +1.5-point edge over the runner-up.
Co-leaders
8
3
1
1
1
1
R3–R6 · LEAD HELD
A M B Ekanayake never relinquished the lead after R3; final gap +1.5 over the runner-up.
R1–R6 · WIN STREAK
A M B Ekanayake won 6 in a row (R1–R6).
Key matchups · top 4
Head-to-head between the four finishersGrille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ekanayake, A M B | 1797 | SRI | +8N | +14B | +4N | +11B | +5N | +3B | 6.0 | 17.5 | 19.5 | 19.50 | 2390 | +29.4 |
| 2 | Karunarathne, D D W Gamini | 1508 | SRI | +12N | =3B | =5N | =4B | +11N | +9B | 4.5 | 17.5 | 20.0 | 14.00 | 1728 | +23.4 |
| 3 | Nandika, Ruwan | 1715 | SRI | +7B | =2N | =11B | +8N | +6B | −1N | 4.0 | 20.5 | 23.0 | 13.50 | 1692 | -2.6 |
| 4 | Pitigala, Chandra Sudarman S. | 1685 | SRI | +15N | +19B | −1B | =2N | +7B | =6N | 4.0 | 19.5 | 20.5 | 10.50 | 1672 | -0.8 |
| 5 | Katugampola, A H | 1570 | SRI | =13B | +17N | =2B | +9N | −1B | +10N | 4.0 | 19.0 | 21.0 | 11.50 | 1460 | -6.0 |
| 6 | De Mel, Withanalage Sugath Duminda | 1617 | SRI | −9N | +18B | +15N | +17B | −3N | =4B | 3.5 | 15.0 | 16.0 | 7.00 | 1614 | -0.4 |
| 7 | Abeywardane, N A G | 1445 | SRI | −3N | =12B | +18N | +19B | −4N | +14B | 3.5 | 13.5 | 14.5 | 5.25 | 1604 | +32.0 |
| 8 | Samarasuriya, Jagath | 1469 | SRI | −1B | +10N | +16N | −3B | −9N | +15B | 3.0 | 18.0 | 20.0 | 7.00 | 1649 | +17.4 |
| 9 | Karthigesu, S | 0 | SRI | +6B | −11N | +19N | −5B | +8B | −2N | 3.0 | 17.5 | 18.5 | 7.50 | 1534 | 0.0 |
| 10 | Samuel, Anthony J | 0 | SRI | F | −8B | +20N | +16B | +12N | −5B | 3.0 | 13.5 | 13.5 | 4.50 | 1436 | 0.0 |
| 11 | De Silva, J I Ajantha | 1563 | SRI | +18N | +9B | =3N | −1N | −2B | F | 2.5 | 19.5 | 20.5 | 6.00 | 1400 | -11.8 |
| 12 | FIDE 575010259 | 0 | — | −2B | =7N | +13B | −14N | −10B | +20N | 2.5 | 15.5 | 15.5 | 4.25 | 1225 | 0.0 |
| 13 | FIDE 575010240 | 0 | — | =5N | −16B | −12N | −15B | +19N | +18B | 2.5 | 11.5 | 12.5 | 4.00 | 1445 | 0.0 |
| 14 | Chandrasiri, P K | 1540 | SRI | F | −1N | −17B | +12B | +15N | −7N | 2.0 | 17.0 | 19.0 | 4.50 | 1436 | -9.0 |
| 15 | Perera, P K Jagath | 1441 | SRI | −4B | +20N | −6B | +13N | −14B | −8N | 2.0 | 15.0 | 15.0 | 2.50 | 778 | -25.8 |
| 16 | Kodithuwakku, Arachchige Padmasi | 1644 | SRI | −17B | +13N | −8B | −10N | +18B | F | 2.0 | 13.0 | 14.0 | 3.50 | 669 | -14.6 |
| 17 | FIDE 575010232 | 0 | — | +16N | −5B | +14N | −6N | F | F | 2.0 | 11.5 | 11.5 | 4.00 | 1593 | 0.0 |
| 18 | Rajasingham, Thilagarajah | 0 | SRI | −11B | −6N | −7B | +20B | −16N | −13N | 1.0 | 14.0 | 14.0 | 0.00 | 767 | 0.0 |
| 19 | Jayasinghe, Joseph | 1474 | SRI | +20B | −4N | −9B | −7N | −13B | F | 1.0 | 13.0 | 13.0 | 0.00 | 765 | -15.4 |
| 20 | FIDE 9914676 | 0 | — | −19N | −15B | −10B | −18N | F | −12B | 0.0 | 9.5 | 9.5 | 0.00 | 658 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Abeywardane, N A GSRI+32.03.5 pts · #6
- 2Ekanayake, A M BSRI+29.46.0 pts · #1
- 3Karunarathne, D D W GaminiSRI+23.44.5 pts · #5
Top rating losers
- 1Perera, P K JagathSRI-25.82.0 pts · #18
- 2Jayasinghe, JosephSRI-15.41.0 pts · #16
- 3Kodithuwakku, Arachchige PadmasiSRI-14.62.0 pts · #20
Biggest upsets
- R3+175 Elo gap