Commonwealth Chess Championship 2026 - Under 10
Open SwissStandard
39 players participated in this 9-round tournament, held from 17 May 2026 to 25 May 2026 in Kaluthara, Sri Lanka. 2 titled players from 7 federations. Top 10 Elo average was 1780, and top seed was Sattwik Swain (🇮🇳 IND, CM, 2002).
Tamizh Amudhan S (🇮🇳 IND, CM, 1902) won with 8.5/9, ahead of Sattwik Swain (8.5) and Geetham Addagada (6.0). S shared the lead from round 1, winning on tie-break.
The biggest upset came in round 9: M A Sanuka Sageeth Kulathilaka (1572) beat Kavish Palaniappan K (1876), a +304-point gap.
Location
🇱🇰Kaluthara, Sri Lanka
Dates
17 May 2026 → 25 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Titled players · 2
CM×2
Federations · 7 represented
🇱🇰Sri Lanka×27
🇮🇳India×6
🇲🇻Maldives×2
🇲🇾Malaysia×1
FIDE (no federation)×1
🇿🇦South Africa×1
🇳🇿New Zealand×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsTight race until R9; 2 players tied at 8.5/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
Co-leaders
17
8
4
2
2
2
2
2
2
R9 · TIEBREAK CLUSTER
2 players finish on 8.5/9. S takes the title on Buchholz Cut1 (47.5).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
CM Sattwik Swain drew with CM Tamizh Amudhan S (White).
WIN STREAKS · 3 top finishers
CM Sattwik Swain 4+4 wins (R1–R4, R6–R9)CM Tamizh Amudhan S 4+4 wins (R1–R4, R6–R9)Tilakawardena K Rivinu Dewhan 4 wins (R5–R8)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMSattwik Swain | * | ½ | 1 | — |
| 2CMTamizh Amudhan S | ½ | * | 1 | — |
| 3Tilakawardena K Rivinu Dewhan | 0 | 0 | * | 1 |
| 4Nova Ayer Juyal | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Tamizh Amudhan SCM | 1902 | IND | +21N | +11B | +8N | +6B | =2N | +3B | +20N | +4B | +5N | 8.5 | 47.5 | 52.0 | 47.75 | 2180 | +90.0 |
| 2 | Sattwik SwainCM | 2002 | IND | +26B | +12N | +5B | +20N | =1B | +4N | +9B | +3N | +8B | 8.5 | 47.0 | 51.0 | 46.75 | 2187 | +51.6 |
| 3 | Addagada, Geetham | 1762 | NZL | +28N | −6B | +22N | +11B | +16N | −1N | +13B | −2B | +12N | 6.0 | 47.5 | 51.0 | 28.00 | 1765 | +5.6 |
| 4 | Ansh Kabra | 1836 | IND | +24N | +10B | =32N | +5N | =20B | −2B | +16N | −1N | +13B | 6.0 | 47.0 | 49.5 | 29.00 | 1871 | +20.8 |
| 5 | Tilakawardena K Rivinu Dewhan | 1811 | SRI | +35B | +23N | −2N | −4B | +30N | +17B | +6N | +7B | −1B | 6.0 | 47.0 | 49.5 | 26.50 | 1791 | -0.8 |
| 6 | Sanyuga, Vithanage Sanul | 1554 | SRI | +37B | +3N | +14B | −1N | =9B | +13N | −5B | =15N | +11B | 6.0 | 46.0 | 47.0 | 27.25 | 1761 | +84.0 |
| 7 | Nova Ayer Juyal | 1686 | IND | −23B | +28N | +18B | +12N | −13B | +24N | +11B | −5N | +15B | 6.0 | 39.0 | 42.5 | 27.50 | 1677 | -2.7 |
| 8 | Thewjan, A G Arvin | 1638 | SRI | +18B | +25N | −1B | −13N | =29B | +21N | +10B | +9N | −2N | 5.5 | 46.5 | 49.5 | 26.00 | 1705 | +28.8 |
| 9 | Fernando, Sehandu Dulneth | 1656 | SRI | +30N | +31B | −20N | +32B | =6N | +15B | −2N | −8B | +22N | 5.5 | 40.0 | 42.5 | 21.00 | 1655 | -1.2 |
| 10 | Kulathilaka, M A Sanuka Sageeth | 1572 | SRI | +15B | −4N | =29B | +17N | −14B | +32N | −8N | +21B | +20N | 5.5 | 38.5 | 41.0 | 23.00 | 1655 | +33.6 |
| 11 | Senavirathne, E M Dinuga Ayodya | 1602 | SRI | +29B | −1N | +25B | −3N | +18B | +12N | −7N | +20B | −6N | 5.0 | 45.0 | 48.0 | 21.50 | 1680 | +33.6 |
| 12 | Wewakumbura, Jenul | 1578 | SRI | +36N | −2B | +30N | −7B | +27N | −11B | +18N | +17B | −3B | 5.0 | 42.0 | 44.0 | 18.50 | 1644 | +26.4 |
| 13 | Vedhik Viswanath | 1568 | IND | +39N | −20B | +31N | +8B | +7N | −6B | −3N | +16B | −4N | 5.0 | 42.0 | 43.0 | 20.50 | 1678 | +43.6 |
| 14 | Methmithu, D G Yosith | 1597 | SRI | =22N | +33B | −6N | +21B | +10N | −20B | −15N | +24B | =19N | 5.0 | 39.0 | 41.5 | 21.25 | 1602 | +0.4 |
| 15 | Shenal, Navindu | 1428 | SRI | −10N | =21B | +33N | +28B | +32N | −9N | +14B | =6B | −7N | 5.0 | 38.5 | 41.0 | 18.75 | 1573 | +60.4 |
| 16 | Nayanakheshan, Venukanan | 1609 | SRI | +27N | −32B | +23N | +24B | −3B | +29N | −4B | −13N | +30B | 5.0 | 34.5 | 37.0 | 17.50 | 1665 | +22.4 |
| 17 | Paul, Charaka Divaman | 1528 | SRI | −20N | +27B | +36N | −10B | +31B | −5N | +29B | −12N | +23N | 5.0 | 34.5 | 36.5 | 15.50 | 1613 | +35.2 |
| 18 | Mohd Shahrul Annuar, Muhd Aariz Daniel | 1481 | MAS | −8N | +38B | −7N | +36B | −11N | +34B | −12B | +25N | +24N | 5.0 | 34.0 | 35.0 | 13.50 | 1608 | +60.4 |
| 19 | Wijesiri, Sasmitha | 1633 | SRI | =33N | −22B | −21N | +38B | =23N | =27B | +25B | +32N | =14B | 5.0 | 30.5 | 31.5 | 15.00 | 1510 | -52.0 |
| 20 | Kavish Palaniappan K | 1876 | IND | +17B | +13N | +9B | −2B | =4N | +14N | −1B | −11N | −10B | 4.5 | 49.0 | 54.0 | 23.50 | 1696 | -76.4 |
| 21 | Jayasuriya, Sayuru Lonindu | 1546 | SRI | −1B | =15N | +19B | −14N | +22B | −8B | +27N | −10N | +32B | 4.5 | 42.5 | 45.0 | 18.00 | 1542 | -6.4 |
| 22 | Muthukumarana, Indusara Harishaky | 1448 | SRI | =14B | +19N | −3B | −29N | −21N | +33B | +28N | +26B | −9B | 4.5 | 36.5 | 39.0 | 17.50 | 1574 | +57.6 |
| 23 | Lokithaksan, Vinoth | 1497 | SRI | +7N | −5B | −16B | −25N | =19B | =26N | +36B | +31N | −17B | 4.0 | 38.0 | 40.0 | 15.50 | 1529 | +13.6 |
| 24 | Liyanaarachchi, L A Thevin R | 1501 | SRI | −4B | +37N | +39B | −16N | +25B | −7B | +31N | −14N | −18B | 4.0 | 35.0 | 36.0 | 9.00 | 1430 | -30.8 |
| 25 | Gunawardhana, Tharul Adeesha | 1445 | SRI | +34N | −8B | −11N | +23B | −24N | +30B | −19N | −18B | +31B | 4.0 | 34.5 | 37.0 | 12.50 | 1501 | +27.2 |
| 26 | Weerasinghe, Chaniru Githmira | 1551 | SRI | −2N | −30B | −27N | +33B | =28N | =23B | +37N | −22N | +36B | 4.0 | 31.5 | 32.5 | 9.25 | 1443 | -54.8 |
| 27 | Wimalathunga, P Y Mithum Lohas Dinsitha | 1459 | SRI | −16B | −17N | +26B | +35N | −12B | =19N | −21B | +38N | F | 3.5 | 34.5 | 35.5 | 10.00 | 1527 | +28.4 |
| 28 | De Zoysa, E Desandu Senujana | 1499 | SRI | −3B | −7B | +34N | −15N | =26B | +39N | −22B | +33N | F | 3.5 | 34.0 | 35.0 | 8.00 | 1461 | -18.0 |
| 29 | Basnayake, Kevon Dulkith | 1449 | SRI | −11N | +34B | =10N | +22B | =8N | −16B | −17N | F | F | 3.0 | 36.0 | 36.0 | 12.50 | 1521 | +25.6 |
| 30 | Withanage, Senula Nethvidu | 1488 | SRI | −9B | +26N | −12B | +39N | −5B | −25N | +35B | F | −16N | 3.0 | 35.0 | 36.0 | 7.50 | 1435 | -23.2 |
| 31 | Athukorala, Ewin Livinuka | 1460 | SRI | +38N | −9N | −13B | +37B | −17N | +35N | −24B | −23B | −25N | 3.0 | 31.0 | 32.0 | 4.50 | 1346 | -46.4 |
| 32 | Samaraweera, S M T B | 0 | SRI | F | +16N | =4B | −9N | −15B | −10B | +34N | −19B | −21N | 2.5 | 39.0 | 39.0 | 10.50 | 1469 | 0.0 |
| 33 | Minhas, B E M Luthira Thedan | 1471 | SRI | =19B | −14N | −15B | −26N | +39B | −22N | F | −28B | +38N | 2.5 | 29.0 | 29.0 | 4.50 | 1308 | -54.8 |
| 34 | Weerasena, G Imandith Minthula | 1597 | SRI | −25B | −29N | −28B | F | +36N | −18N | −32B | +39B | =35N | 2.5 | 23.5 | 23.5 | 4.25 | 1274 | -101.6 |
| 35 | Jayawardene, Pamitha Binath Perer | 1500 | SRI | −5N | −36B | +38N | −27B | +37N | −31B | −30N | F | =34B | 2.5 | 22.0 | 22.0 | 3.25 | 1321 | -64.0 |
| 36 | Ismail Aakin Hassan | 1428 | MDV | −12B | +35N | −17B | −18N | −34B | F | −23N | +37B | −26N | 2.0 | 29.0 | 29.0 | 3.50 | 1224 | -60.0 |
| 37 | Gouws, Philip | 0 | RSA | −6N | −24B | F | −31N | −35B | +38N | −26B | −36N | −39B | 1.0 | 23.5 | 23.5 | 1.00 | 1206 | 0.0 |
| 38 | Lekamge, Kavindu | 1613 | FID | −31B | −18N | −35B | −19N | F | −37B | +39N | −27B | −33B | 1.0 | 23.5 | 23.5 | 1.00 | 701 | -156.0 |
| 39 | Daud Farish Ahmed | 0 | MDV | −13B | F | −24N | −30B | −33N | −28B | −38B | −34N | +37N | 1.0 | 22.5 | 22.5 | 1.00 | 734 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Tamizh Amudhan SCMIND+90.08.5 pts · #2
- 2Sanyuga, Vithanage SanulSRI+84.06.0 pts · #9
- 3Shenal, NavinduSRI+60.45.0 pts · #20
Top rating losers
- 1Lekamge, KavinduFID-156.01.0 pts · #39
- 2Weerasena, G Imandith MinthulaSRI-101.62.5 pts · #33
- 3Kavish Palaniappan KIND-76.44.5 pts · #17
Biggest upsets
- R9+304 Elo gap
- R8+274 Elo gap
- R2+208 Elo gap