Colombo District Youth Chess Championship 2025 - Under 10 Years

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102 players participated in this 7-round tournament, held from 22 Aug 2025 to 24 Aug 2025 in Colombo, Sri Lanka. 1 titled players. Top 10 Elo average was 1570, and top seed was A P Chenitha Sihas Dinsara Karunasena (🇱🇰 SRI, CM, 2029).

A P Chenitha Sihas Dinsara Karunasena (🇱🇰 SRI, CM, 2029) won with 7.0/7, ahead of Sehandu Dulneth Fernando (6.0) and Yuvin Hemsara Waragammana (6.0). Karunasena won solo starting round 6.

The biggest upset came in round 7: W M Ganula Thasith Ranvidu (1440) beat K K Manul Sithnada Kalehewaththa (1578), a +138-point gap.

Location

🇱🇰Colombo, Sri Lanka

Dates

22 Aug 2025 → 24 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇱🇰CMA P Chenitha Sihas Dinsara Karunasena2029

Avg top 10

1,570

Participants

102

Titled players · 1

CM×1

Federations · 1 represented

🇱🇰Sri Lanka×75

Top 3

🥇
CMA P Chenitha Sihas Dinsara Karunasena
🇱🇰SRI·2029
7.0pts·2427perf+12.8
🥈
Sehandu Dulneth Fernando
🇱🇰SRI·1596
6.0pts·1761perf+30.0
🥉
Yuvin Hemsara Waragammana
🇱🇰SRI·1414
6.0pts·1706perf+62.4

How it unfolded

Top 6 · 7 rounds

CM A P Chenitha Sihas Dinsara Karunasena led from R6; +1.0-point edge over the runner-up. Title race converged from 5 co-leaders at R4 to 1 by R6.

Co-leaders

Karunasena7Paul6Fernando6Waragammana6Mintharu6Gunasekera5.5

R6–R7 · LEAD HELD

CM A P Chenitha Sihas Dinsara Karunasena never relinquished the lead after R6; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

CM A P Chenitha Sihas Dinsara Karunasena beat Charaka Divaman Paul (White).

WIN STREAKS · 3 top finishers

CM A P Chenitha Sihas Dinsara Karunasena 7 wins (R1–R7)Charaka Divaman Paul 4 wins (R1–R4)Sehandu Dulneth Fernando 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1CMA P Chenitha Sihas Dinsara Karunasena	*	1	1	—
2Charaka Divaman Paul	0	*	—	—
3Sehandu Dulneth Fernando	0	—	*	1
4Yuvin Hemsara Waragammana	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Karunasena, A P Chenitha Sihas DinsaraCM	2029	SRI	+69B	+23N	+7B	+20N	+4B	+2N	+6B	7.0	33.0	36.0	36.00	2427	+12.8
2	Fernando, Sehandu Dulneth	1596	SRI	+102N	+16B	+15N	+17B	+3N	−1B	+19N	6.0	33.0	33.0	26.00	1761	+30.0
3	Waragammana, Yuvin Hemsara	1414	SRI	+55B	+39N	+37B	+11N	−2B	+35N	+12B	6.0	28.5	32.0	26.00	1706	+62.4
4	Paul, Charaka Divaman	1529	SRI	+86N	+79B	+63N	+13B	−1N	+10B	+15N	6.0	28.0	30.0	23.00	1775	+58.0
5	Mintharu, M D Tesanda	1409	SRI	+24B	−35N	+81B	+67N	+14B	+48N	+13N	6.0	26.0	28.5	24.50	2223	+41.2
6	Gunasekera, Ravija Yuwandith	1503	SRI	+49B	+97N	+21B	+14N	=28B	+27N	−1N	5.5	30.0	31.5	22.25	1674	+32.0
7	Perera, D A Sadew Rashmika	0	SRI	+?N	+33B	−1N	+25B	+40N	=8B	+27B	5.5	30.0	30.0	20.25	1671	0.0
8	Wewakumbura, Jenul	1509	SRI	+71B	+47N	+22B	=9N	=12B	=7N	+29B	5.5	29.5	32.5	24.50	1568	+9.2
9	Jayawardena, Anuththara Minul	1451	SRI	+100N	+75B	+41N	=8B	−10N	+36B	+31N	5.5	26.5	27.5	19.25	1302	-15.2
10	Ranvidu, W M Ganula Thasith	1440	SRI	+92B	+58N	+96B	=27N	+9B	−4N	+28B	5.5	26.0	27.5	19.25	1592	+23.2
11	Ovitigala, Dehain Nethvidu	1499	SRI	+72N	=40B	+52N	−3B	+70N	+56B	+54N	5.5	23.5	26.5	18.50	1572	+12.0
12	Peiris, Dulnitha Sayul	1455	SRI	+83N	+26B	+85N	=28B	=8N	+16B	−3N	5.0	28.5	30.5	19.50	1359	-14.4
13	Gunawardena, Kaveesh Denuwan	1448	SRI	+94B	+43N	+53B	−4N	+45B	+34N	−5B	5.0	27.5	29.5	17.50	1345	-15.6
14	Wijesinghege, Rayaan Harith Damsara	0	SRI	+88N	+62B	+18N	−6B	−5N	+44B	+57N	5.0	27.0	29.0	17.50	1328	-11.6
15	Premnath, Nithish	1431	SRI	+51B	+61N	−2B	+50N	+69B	+64N	−4B	5.0	26.0	29.0	17.00	759	0.0
16	Damsiha, Kaththri Arachchige Neth	0	SRI	+?B	−2N	+58B	+53N	+42B	−12N	+35B	5.0	26.0	26.0	15.00	723	0.0
17	Wetthasinghe, H W Don Ranuka Sade	1471	SRI	+81B	+65N	+35B	−2N	−21B	+55N	+46B	5.0	25.5	28.0	17.00	795	-12.4
18	Padukka, Risara Dithwara	1464	SRI	+66B	+87N	−14B	−45N	+50B	+49N	+48B	5.0	24.0	26.0	17.00	602	-22.4
19	Thevnal, Sethika	1428	SRI	+?B	=?N	+38B	=29N	+61B	+21N	−2B	5.0	22.5	22.5	14.25	1318	0.0
20	Dewneth, A D Suchithra Senal	1466	SRI	+90N	+99B	+93N	−1B	−64N	+72B	+40N	5.0	21.0	22.0	12.00	1070	-3.2
21	Chamodya, D M Kavithma Erandi	0	SRI	+?N	+?B	−6N	+85B	+17N	−19B	+73N	5.0	20.5	20.5	10.00	1478	0.0
22	Arambegedara, S Senuli Suhasna	0	SRI	+?N	+?B	−8N	−33B	+67N	+59B	+43N	5.0	20.0	20.0	10.50	708	0.0
23	Damsithu, K H M Dihas	0	SRI	+?N	−1B	−68N	+99B	+76N	+?B	+?N	5.0	14.0	14.0	4.00	1227	0.0
24	Manage, Sasith Nethmira	0	SRI	−5N	+?B	−62N	+?B	+?N	+?B	+42B	5.0	13.0	13.0	4.00	1435	0.0
25	Patabendi, Inuka Yethum Madduma	0	SRI	+?N	+?B	−27B	−7N	+?B	+?N	+64B	5.0	13.0	13.0	3.00	1473	0.0
26	Nanawaththa, H A Thenula Damsilu	0	SRI	+?B	−12N	+?B	=54N	=?B	+?N	+34B	5.0	12.5	12.5	5.75	1463	0.0
27	Kemitha, Okindu	1472	SRI	+91N	+48B	+25N	=10B	+36N	−6B	−7N	4.5	29.5	31.5	17.75	1299	-18.4
28	Kalehewaththa, K K Manul Sithnada	1578	SRI	+70B	+89N	+34B	=12N	=6N	=31B	−10N	4.5	27.5	29.5	16.50	1477	-12.8
29	Hirun, J K A Ranuga	1424	SRI	+77N	=36B	+59N	=19B	=56N	+57B	−8N	4.5	25.0	28.0	16.25	708	-15.6
30	Akarshana Deneth, Mathukandage	0	SRI	−65B	+66N	+90B	=?N	−55B	+39N	+52B	4.5	19.0	19.0	12.50	1541	0.0
31	Athukorala, Yuwin Thinulaka	0	SRI	+?B	−53N	+97B	+?N	+?B	=28N	−9B	4.5	15.0	15.0	3.75	1474	0.0
32	Sasath, P L Gesandu	0	SRI	=?N	−52B	+?N	−57B	+79N	+?B	+56N	4.5	13.0	13.0	6.00	721	0.0
33	Sargin, Thushanthan	0	SRI	+?B	−7N	+46B	+22N	−34B	−45N	+69B	4.0	25.5	25.5	12.00	674	0.0
34	Amaratunga, Manuja Mihijaya	0	SRI	+76N	+60B	−28N	+68B	+33N	−13B	−26N	4.0	25.0	28.0	13.50	690	-38.4
35	Warushahennadige, Kavira	0	SRI	+?N	+5B	−17N	+?B	+63N	−3B	−16N	4.0	25.0	25.0	9.00	1422	0.0
36	Ranketh, Dinamuni Kithuja	0	SRI	+?B	=29N	+?B	+37N	−27B	−9N	=38B	4.0	22.5	22.5	8.25	1462	0.0
37	Palihawadana, P A Vethum L P	1505	SRI	+82N	+74B	−3N	−36B	=66N	=65B	+67N	4.0	22.0	24.5	11.50	610	-25.6
38	FIDE 80835457	0	—	+?N	=80B	−19N	+52B	+60N	−54B	=36N	4.0	22.0	22.0	10.25	1466	0.0
39	FIDE 80870970	0	—	+?N	−3B	−44N	+82B	+86N	−30B	+66N	4.0	22.0	22.0	7.50	610	0.0
40	Fernando, Githmira Sandinu	0	SRI	+?B	=11N	=?B	+96N	−7B	+61N	−20B	4.0	20.5	20.5	7.25	1290	0.0
41	Weerawardhana, I B D Yethula Vins	0	SRI	+?B	+64N	−9B	−?N	+47B	−46N	+71B	4.0	19.5	19.5	10.00	647	0.0
42	Abeytunga, Tharul Bandara	1410	SRI	=52N	=?B	+82N	+75B	−16N	+?B	−24N	4.0	19.0	19.0	7.25	1521	0.0
43	Perera, B L Pamithu Damketh	0	SRI	+?N	−13B	−?N	+88B	+62N	+63B	−22B	4.0	18.0	18.0	8.00	1429	0.0
44	Gamage, Sethuni Thulhara	0	SRI	−53B	+?N	+39B	−?N	+84B	−14N	+61B	4.0	17.5	17.5	9.00	620	0.0
45	Gamage, Nethuli Nimradha	0	SRI	−80N	+?B	+?N	+18B	−13N	+33B	−?B	4.0	16.5	16.5	9.00	1319	0.0
46	Evmith, N Yethum	0	SRI	−?N	+?B	−33N	+?B	+68N	+41B	−17N	4.0	16.0	16.0	7.00	653	0.0
47	Hewage, A Ranvidu Pulhan Damsas	0	SRI	+78N	−8B	−54N	+?B	−41N	+?B	+?N	4.0	15.5	15.5	2.50	1347	0.0
48	Kodikara, Daham	0	SRI	+?B	−27N	+?B	+?N	+?B	−5B	−18N	4.0	15.5	15.5	0.00	1367	0.0
49	Hakmana Vitharana, Nethul Sanvidu	0	SRI	−6N	−78B	+?N	+?B	+85N	−18B	+?N	4.0	15.0	15.0	2.00	682	0.0
50	Jayasinghearachchi, Rokith	0	SRI	−?N	+?B	+?N	−15B	−18N	+96B	+63N	4.0	14.5	14.5	4.50	1239	0.0
51	FIDE 80882846	0	—	−15N	−?B	+?N	+?B	−?N	+?B	+62N	4.0	8.0	8.0	3.00	635	0.0
52	Mallawaarachchi, Sithula Sandilu	0	SRI	=42B	+32N	−11B	−38N	+98N	+78B	−30N	3.5	25.0	26.5	10.50	1497	-2.8
53	Wimalarathna, R A T Hiruja Kenuth	0	SRI	+44N	+31B	−13N	−16B	−72N	=83B	+?N	3.5	24.0	24.0	9.75	644	0.0
54	Devundara, Inuka Esandul	1414	SRI	−99N	F	+47B	=26B	+65N	+38N	−11B	3.5	23.5	24.5	13.50	695	-15.2
55	Mahaliyana, Sethuka Ransana	0	SRI	−3N	+?B	=?N	+78B	+30N	−17B	F	3.5	21.5	21.5	7.00	1329	0.0
56	Dalugoda, Thehan Tanisha	0	SRI	+?B	−96N	+87B	+84N	=29B	−11N	−32B	3.5	20.0	20.0	6.25	1268	0.0
57	Bandara Wasala, Akein Deelaka	0	SRI	−61B	+?N	=65B	+32N	+?B	−29N	−14B	3.5	20.0	20.0	6.00	614	0.0
58	FIDE 80882900	0	—	+?N	−10B	−16N	−86B	+82N	=?B	+?N	3.5	15.0	15.0	2.50	682	0.0
59	FIDE 80871666	0	—	+?B	=?N	−29B	=89N	+71B	−22N	=?B	3.5	14.5	14.5	4.00	1242	0.0
60	FIDE 80882935	0	—	+?B	−34N	=89B	+?N	−38B	+?N	F	3.5	13.5	13.5	1.00	674	0.0
61	Randula, Thelmaduwe Arachchige Da	0	SRI	+57N	−15B	+79N	+62B	−19N	−40B	−44N	3.0	24.5	27.0	9.00	612	0.0
62	FIDE 80852513	0	—	+73B	−14N	+24B	−61N	−43B	+92N	−51B	3.0	24.0	26.0	10.00	602	0.0
63	Jayawardana, N H Uvindu Induwara	1417	SRI	+67B	+84N	−4B	+73N	−35B	−43N	−50B	3.0	24.0	26.0	8.00	723	-14.0
64	Anuhas, L Vishwa	0	SRI	+68N	−41B	+99N	F	+20B	−15B	−25N	3.0	24.0	25.0	9.00	1441	0.0
65	Netharsha, R H Thaheshi	0	SRI	+30N	−17B	=57N	+?B	−54B	=37N	F	3.0	20.5	20.5	8.25	1185	0.0
66	Inuraka, R A Isandu	0	SRI	−18N	−30B	+?N	+?B	=37B	=80N	−39B	3.0	20.0	20.0	3.25	1285	0.0
67	FIDE 80878164	0	—	−63N	+?B	+?N	−5B	−22B	+?N	−37B	3.0	18.0	18.0	0.00	645	0.0
68	FIDE 29990831	0	—	−64B	+?N	+23B	−34N	−46B	−?N	+?B	3.0	16.0	16.0	5.00	674	0.0
69	Gethmika Kumara, Tharun	0	SRI	−1N	+?B	+?N	+?B	−15N	−?B	−33N	3.0	16.0	16.0	0.00	1507	0.0
70	Gunasekara, Yunal Hansilu	0	SRI	−28N	+?B	=78N	+80B	−11B	=?N	−?B	3.0	15.0	15.0	3.75	1236	0.0
71	Gunathilake, Dimuth Dinujaya	0	SRI	−8N	+?B	−?N	+?B	−59N	+85B	−41N	3.0	15.0	15.0	2.00	683	0.0
72	Herath, Mokitha Ranhiru	0	SRI	−11B	−?N	+?B	+?N	+53B	−20N	F	3.0	14.0	14.0	3.50	667	0.0
73	Perusinghe, Jenuka Pethmika	0	SRI	−62N	F	+?B	−63B	+?N	+?N	−21B	3.0	11.0	11.0	0.00	613	0.0
74	FIDE 80882749	0	—	+?B	−37N	−84B	+87N	−?B	−?N	+95B	3.0	10.0	10.0	4.00	711	0.0
75	Nizwer, Mohamed Nuraiz	0	SRI	+?B	−9N	+?B	−42N	+?B	−?N	F	3.0	9.5	9.5	0.00	647	0.0
76	FIDE 80882897	0	—	−34B	+?N	+?B	−?N	−23B	−?N	+?B	3.0	9.0	9.0	0.00	674	0.0
77	Kumarasinghe, Kenuth Kethmira	0	SRI	−29B	−?N	+?N	−?B	+?N	+?B	−?N	3.0	4.5	4.5	0.00	642	0.0
78	Vindula, Thelmaduwe Arachchige Ya	1480	SRI	−47B	+49N	=70B	−55N	+96B	−52N	F	2.5	20.5	22.0	7.00	721	-18.8
79	Dias, L P Saniru Kemin	0	SRI	+?B	−4N	−61B	=97N	−32B	+98B	F	2.5	19.0	19.0	2.25	723	0.0
80	Wijethunga W Savithu Niveth	0	SRI	+45B	=38N	−?B	−70N	F	=66B	=81N	2.5	17.0	17.0	8.75	637	0.0
81	Humpita H G Sanumitha Ruvisuru	0	SRI	−17N	+98B	−5N	−?B	F	+84N	=80B	2.5	17.0	17.0	4.75	633	0.0
82	FIDE 80874665	0	—	−37B	+?N	−42B	−39N	−58B	+?N	=96N	2.5	17.0	17.0	0.75	711	0.0
83	Jayasinghe, Sanulika H	0	SRI	−12B	−?N	+?B	+?N	−?B	=53N	F	2.5	8.5	8.5	1.75	638	0.0
84	Subasinghe, Avindee Thinaya	0	SRI	+?N	−63B	+74N	−56B	−44N	−81B	F	2.0	18.0	18.0	3.00	613	0.0
85	Thalagala, T Imeth Dithmal	0	SRI	+?B	+?N	−12B	−21N	−49B	−71N	F	2.0	17.0	17.0	0.00	651	0.0
86	FIDE 80852599	0	—	−4B	+?N	−?B	+58N	−39B	−?N	F	2.0	15.5	15.5	3.50	674	0.0
87	FIDE 80847528	0	—	+?N	−18B	−56N	−74B	+88N	−?B	F	2.0	15.5	15.5	2.00	645	0.0
88	FIDE 80882757	0	—	−14B	−?N	+?B	−43N	−87B	+?N	F	2.0	13.0	13.0	0.00	602	0.0
89	Fernando, Vihela Dulsana	0	SRI	+?N	−28B	=60N	=59B	−?N	−?B	F	2.0	11.5	11.5	3.50	735	0.0
90	FIDE 80835511	0	—	−20B	F	−30N	+?B	−?N	−?B	+?N	2.0	9.5	9.5	0.00	670	0.0
91	FIDE 80882781	0	—	−27B	F	−?N	+?N	−?B	−?B	+100N	2.0	9.0	9.0	1.00	677	0.0
92	FIDE 80882838	0	—	−10N	−?B	−?N	+?B	+?N	−62B	−?N	2.0	8.5	8.5	0.00	682	0.0
93	FIDE 80882919	0	—	+?B	+?N	−20B	F	F	F	F	2.0	8.0	8.0	0.00	1448	0.0
94	FIDE 80882811	0	—	−13N	−?B	−?N	−?B	−?N	+?B	+?N	2.0	5.0	5.0	0.00	644	0.0
95	FIDE 80882854	0	—	−?B	−?N	+?B	−?N	−?N	+?B	−74N	2.0	3.0	3.0	0.00	625	0.0
96	FIDE 80882978	0	—	F	+56B	−10N	−40B	−78N	−50N	=82B	1.5	22.0	22.0	4.75	690	0.0
97	FIDE 80847510	0	—	+98N	−6B	−31N	=79B	F	F	F	1.5	14.0	14.0	2.75	702	0.0
98	FIDE 80882129	0	—	−97B	−81N	=101B	+?N	−52B	−79N	−?B	1.5	10.5	10.5	0.25	721	0.0
99	Lokugama, Kavinu Binulaka	0	SRI	+54B	−20N	−64B	−23N	F	F	F	1.0	16.5	16.5	3.50	1441	0.0
100	FIDE 80882803	0	—	−9B	+?N	−?B	−?N	−?B	−?N	−91B	1.0	7.5	7.5	0.00	651	0.0
101	FIDE 80882820	0	—	−?B	−?N	=98N	F	F	F	F	0.5	4.0	4.0	0.75	643	0.0
102	FIDE 80882765	0	—	−2B	F	F	F	F	F	F	0.0	6.0	6.0	0.00	795	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Waragammana, Yuvin HemsaraSRI
+62.4
6.0 pts · #5
2Paul, Charaka DivamanSRI
+58.0
6.0 pts · #2
3Mintharu, M D TesandaSRI
+41.2
6.0 pts · #13

Top rating losers

1Amaratunga, Manuja MihijayaSRI
-38.4
4.0 pts · #53
2Palihawadana, P A Vethum L PSRI
-25.6
4.0 pts · #98
3Padukka, Risara DithwaraSRI
-22.4
5.0 pts · #100

Biggest upsets

R7+138 Elo gap
Ranvidu, W M Ganula Thasith1440 beat Kalehewaththa, K K Manul Sithnada1578