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Individual Calculations November 2023 |
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| Chandrasiri, L S D Total change: 6.00 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1145 | 1284 | 4.00 | 7 | -0.75 | 40 | -30.00 | |
|  Dewasurendra, Mevinu Dimansith | | | 1090 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Induwara, T H D Thisarindu | | | 1545 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Ramanayake, M D M R Harshana | | | 1052 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Herath, H M Chamuditha Sasen Band | | | 1066 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Samarakoon, S M M E | | | 1059 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Bentharaarachchi, B D Daksha Hans | | | 1145 | SRI | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Samarathunga, Jasith Pawan | | | 1059 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Kandy Open International Rating Chess Championships 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1255 | 1284 | 6.50 | 10 | 0.90 | 40 | 36.00 | |
| | Dissanayake, P W Siyathra Dinenth | | | 1007 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Siriwimala , Sanula Vihas | | | 1151 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Sivathanujan, S | | | 1811 | SRI | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Liyanaarachchi, L A I B | | | 1113 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Samaradiwakare, A Sonali Kumari | | | 1051 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Dharmasena, W M S S B | | | 1558 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Jayaweera, D A Thevindu Nimnal | | | 1100 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Lakshitha, H H Sasindu | | | 1484 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Sutharshan, Shasrutha | | | 1135 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Yaparathne , Y M L I K | | | 1141 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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