National Amateur Chess Championship 2026 - Open Category Rating Under 2300| Federation | Sri Lanka ( SRI ) |
| Tournament director | NA Hettiarachchi, Sameera S 80807356; NA Perera, W V A K P 9971432 |
| Chief Arbiter | IA Ravinath, Sanjula 9910140 |
| Deputy Chief Arbiter | IA Thilakarathne, D G D Chamil 9916466 |
| Arbiter | Sector Arbiter: NA Kalupahana, Lahiru Thilina 9904 ... All arbiters |
| Time control (Standard) | 60 Minutes with an increment an 30 seconds per move starting from move 01 |
| Location | Hummingbird by Susiri - Piliyandala |
| Number of rounds | 9 |
| Tournament type | Swiss-System |
| Rating calculation | Rating international |
| Date | 2026/10/16 |
| Rating-Ø / Average age | 1934 / 22 |
| Pairing program | Swiss-Manager from Heinz Herzog, Swiss-Manager tournamentfile |
Last update 18.10.2026 08:02:15, Creator/Last Upload: D G D Chamil Thilakarathna
| Tournament selection | Rating Under 2300 - Open, Rating Under 2000 - Open, Rating Under 2000 - Women, Rating Under 1700 - Open, Rating Under 1700 - Women |
| Links | Livegames, FaceBook, GoogleMaps, Link with tournament calendar |
| Parameters | No tournament details, Link with tournament calendar |
| Lists | Starting rank, Alphabetical list, Statistics, Alphabetical list all groups, Playing schedule |
| Ranking crosstable after Round 7, Starting rank crosstable |
| Board Pairings | Rd.1, Rd.2, Rd.3, Rd.4, Rd.5, Rd.6, Rd.7, Rd.8/9 , not paired |
| Ranking list after | Rd.1, Rd.2, Rd.3, Rd.4, Rd.5, Rd.6, Rd.7 |
| Excel and Print | Export to Excel (.xlsx), Export to PDF-File, QR-Codes |
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Starting rank crosstable
| No. | | Name | Rtg | FED | 1.Rd | 2.Rd | 3.Rd | 4.Rd | 5.Rd | 6.Rd | 7.Rd | 8.Rd | Pts. | Rk. | TB1 | TB2 | TB3 | TB4 | TB5 |
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| 1 | CM | Wijerathna Vinuka Dihain | 2221 | SRI | 11b1 | 6w1 | 13b1 | 2w1 | 5b½ | 3w1 | 4b1 | 12w | 6,5 | 1 | 0 | 24,5 | 27,5 | 6 | 25,25 |
| 2 | CM | Sivathanujan S | 2173 | SRI | 12w1 | 5b1 | 7w1 | 1b0 | 3w0 | 13b0 | 11w1 | 6b | 4 | 5 | 1 | 27,5 | 30,5 | 4 | 14,5 |
| 3 | | Ovitigala Chenitha Mithvidu | 2154 | SRI | 13b0 | 15w1 | 6b1 | 4w1 | 2b1 | 1b0 | 5w½ | 7b | 4,5 | 3 | 0 | 26,5 | 28,5 | 4 | 14,75 |
| 4 | CM | Karunasena A P Chenitha Sihas Dinsara | 2035 | SRI | 14w1 | 7b0 | 12w1 | 3b0 | 11w½ | 10b1 | 1w0 | 13b | 3,5 | 7 | 0 | 24 | 26,5 | 3 | 11 |
| 5 | CM | Weerathungalage W D Malisha Sasvidu | 2013 | SRI | 15b1 | 2w0 | 16b1 | 13w1 | 1w½ | 12b½ | 3b½ | 11w | 4,5 | 4 | 0 | 26,5 | 28,5 | 3 | 17 |
| 6 | | Sathsindu W M Minura | 2003 | SRI | 16w1 | 1b0 | 3w0 | 7b1 | 12w½ | 9b½ | 13w0 | 2w | 3 | 8 | 0 | 25,5 | 28 | 2 | 8,75 |
| 7 | CM | Amarathunge Kosala Sandeepa Chamikara D | 1971 | SRI | 17b1 | 4w1 | 2b0 | 6w0 | 13b0 | 11b0 | 9w+ | 3w | 3 | 10 | 0 | 21 | 23 | 3 | 8 |
| 8 | | Weerasinghe W Yasiru | 1968 | SRI | -0 | 13w0 | 11b0 | -1 | 9w0 | 16w1 | 15b½ | 10w | 2,5 | 12 | 0 | 17,5 | 20 | 2 | 6 |
| 9 | | Senarathna B Hiruka Hansana | 1945 | SRI | -0 | -0 | 15b½ | 16w½ | 8b1 | 6w½ | 7b- | -0 | 2,5 | 14 | 0 | 15 | 17,5 | 1 | 6,25 |
| 10 | | Ganepola Thushanu Yasmith | 1940 | SRI | -0 | -0 | 17b1 | 11w½ | 16b1 | 4w0 | 12w0 | 8b | 2,5 | 13 | 0 | 17,5 | 20 | 2 | 6 |
| 11 | | Minsara S D Sadev | 1911 | SRI | 1w0 | 16b0 | 8w1 | 10b½ | 4b½ | 7w1 | 2b0 | 5b | 3 | 9 | 0 | 22 | 24,5 | 2 | 8,5 |
| 12 | | Jayaweera Y | 1863 | SRI | 2b0 | 17w1 | 4b0 | 15w1 | 6b½ | 5w½ | 10b1 | 1b | 4 | 6 | 2 | 19,5 | 21,5 | 3 | 10,25 |
| 13 | | Fernando Sheveen X`aviar | 1784 | SRI | 3w1 | 8b1 | 1w0 | 5b0 | 7w1 | 2w1 | 6b1 | 4w | 5 | 2 | 0 | 25,5 | 28 | 5 | 17 |
| 14 | | Dharan A | 1782 | SRI | 4b0 | -0 | -0 | -0 | -0 | -0 | -0 | -0 | 0 | 17 | 0 | 3,5 | 3,5 | 0 | 0 |
| 15 | AGM | Dishanthan V | 1767 | SRI | 5w0 | 3b0 | 9w½ | 12b0 | -1 | -0 | 8w½ | 16b | 2 | 15 | 0 | 20 | 22 | 1 | 4,5 |
| 16 | | Alahakoon T N | 1756 | SRI | 6b0 | 11w1 | 5w0 | 9b½ | 10w0 | 8b0 | -1 | 15w | 2,5 | 11 | 0 | 18 | 20,5 | 2 | 6,75 |
| 17 | | Wettasinha Vasanta | 1589 | SRI | 7w0 | 12b0 | 10w0 | -0 | -0 | -0 | -0 | -0 | 0 | 16 | 0 | 9,5 | 9,5 | 0 | 0 |
Annotation:
Tie Break1: Direct Encounter (DE)
Tie Break2: Buchholz Tie-Break Variable (2026) (Gamepoints, Cut1)
Tie Break3: Buchholz Tie-Break Variable (2026) (Gamepoints)
Tie Break4: Number of wins including byes (WIN) (Gamepoints, Forfeited games count)
Tie Break5: Sonneborn Berger Tie-Break Variable (2026) (Gamepoints)
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