CChessStats

Sri Lanka Senior National Chess Championship 20225

Open SwissStandard

26 players participated in this 7-round tournament, held from 18 Jul 2025 to 20 Jul 2025 in Colombo, Sri Lanka. Top 10 Elo average was 1666, and top seed was Chandra Sudarman S. Pitigala (🇱🇰 SRI, 1901).

A M B Ekanayake (🇱🇰 SRI, 1788) won with 6.5/7, ahead of K P Kanumale (5.0) and P K Chandrasiri (5.0). Ekanayake won solo starting round 5.

The biggest upset came in round 2: T Pathmanathan (1468) beat Chandra Sudarman S. Pitigala (1901), a +433-point gap.

Location
🇱🇰Colombo, Sri Lanka
Dates
18 Jul 2025 → 20 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇱🇰Chandra Sudarman S. Pitigala1901
Avg top 10
1,666
Participants
26
Federations · 1 represented
🇱🇰Sri Lanka×23
Top 3

How it unfolded

Top 6 · 7 rounds

A M B Ekanayake led from R3; +1.5-point edge over the runner-up.

Co-leaders
9
6
1
2
1
1
1
23.55.57R1R2R3R4R5R6R7
Ekanayake6.5Kanumale5Chandrasiri5Katugampola5Perera4.5Karunarathne4.5
R3–R7 · LEAD HELD

A M B Ekanayake never relinquished the lead after R3; final gap +1.5 over the runner-up.

R7 · HEAD-TO-HEAD · WINNER VS 2ND

A M B Ekanayake beat K P Kanumale (Black).

WIN STREAKS · 3 top finishers

A M B Ekanayake 3+3 wins (R1–R3, R5–R7)K P Kanumale 5 wins (R2–R6)P K Chandrasiri 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1A M B Ekanayake*
1
1
—
2K P Kanumale
0
*——
3P K Chandrasiri
0
—*—
4A H Katugampola———*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Ekanayake, A M B1788SRI+12N+5B+14N=9B+8N+3B+2N6.525.528.526.752021+28.6
2Kanumale, K P1638SRI−7N+20B+5N+16B+14N+9B−1B5.024.026.015.501884+62.4
3Chandrasiri, P K1506SRI=13B=10N+23B+17N+11B−1N+7B5.023.525.015.001699+19.6
4Katugampola, A H1574SRI+20N+21B=16N+18B−9N=7N+10B5.018.020.013.251706+10.8
5Perera, P K Jagath1426SRI+10B−1N−2B+25N=24B+17N+12N4.522.523.511.251659+36.0
6Karunarathne, D D W Gamini1450SRI−16N+24B+21N−8B+17B=10N+11B4.518.019.511.251690+34.2
7Fernando, PRA0SRI+2B+19N−9B=11N+16N=4B−3N4.024.527.014.2516050.0
8Pitigala, Chandra Sudarman S.1901SRI+17B−11N+22B+6N−1B+14NF4.023.525.512.001646-25.6
9Wettasinha, Vasanta1682SRI+15BF+7N=1N+4B−2NF3.527.527.515.251702+2.4
10Kodithuwakku, Arachchige Padmasi1690SRI−5N=3B=12N+26B+18N=6B−4N3.525.025.09.001336-45.8
11Pathmanathan, T1468SRI+25N+8B−18N=7B−3N+16B−6N3.522.523.59.501645+15.8
12Samarasuriya, Jagath1465SRI−1B=15N=10B=23N+22B+24N−5B3.521.022.57.501507+3.6
13Rajasingham, Thilagarajah0SRI=3N−18B−24N−15B+21N+26B+20N3.516.016.06.5012270.0
14De Silva, J I Ajantha1572SRI+26B+23N−1B+19N−2B−8BF3.022.522.54.001510-8.2
15Kopalakrishnan, Ariyarathnam1425SRI−9N=12B−19B+13N=23B+25NF3.017.518.57.001270-22.4
16Nandika, Ruwan1746SRI+6B+22N=4B−2N−7B−11NF2.524.526.59.001448-31.0
17Samuel, Anthony J1468SRI−8N+25B+26N−3B−6N−5B=23N2.520.520.51.75764-32.0
18Salam, M Abdul0SRI=19B+13N+11B−4N−10BFF2.518.018.08.2514670.0
19Mahasinghe, Varuna1483SRI=18N−7B+15N−14B−20N+23BF2.517.018.55.751504+2.0
20Karthigesu, S0SRI−4B−2NFF+19B+22N−13B2.018.018.04.5014400.0
21FIDE 99479220—F−4N−6B−22N−13B+?N+25B2.017.517.51.007170.0
22Abeywardane, N A G0SRIF−16B−8N+21B−12N−20B+26N2.014.014.02.009040.0
23Sandanayake, N P P0SRIF−14B−3N=12B=15N−19N=17B1.519.519.54.5012950.0
24Rathnayake, L G R M H D1565SRIF−6N+13BF=5N−12BF1.518.018.05.751176-58.8
25FIDE 99146760—−11B−17NF−5B+26N−15B−21N1.015.515.50.006470.0
26FIDE 299740200—−14NF−17B−10N−25B−13N−22B0.015.515.50.007790.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets