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Individual Calculations February 2023 |
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| Dharmasena, W M S S B Total change: 122.96 | |   |
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| Asia Schools CC 2022- U 15 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1669 | 1379 | 6.00 | 9 | 3.25 | 29 | 94.25 | |
|  Rathnanjali, M A Thakshala | | | 1130 | SRI | 1.00 | 1 | 0.19 | 29 | 5.51 | |  Saravanabaavan, Brijeash | | | 1757 | SRI | 1.00 | 1 | 0.91 | 29 | 26.39 | | | Shokirjonova, Barchinoy | | | 1754 | UZB | 0.50 | 1 | 0.41 | 29 | 11.89 | | | Mullick, Raahil | m | | 2388 | IND | 0.00 | 1 | 0.00 | 29 | 0.00 | | | Herath, H M J R | | | 1278 | SRI | 1.00 | 1 | 0.36 | 29 | 10.44 | | | Attanayake, Chanindi Mewna | | | 1548 | SRI | 1.00 | 1 | 0.72 | 29 | 20.88 | | | Gunathilake, M D Vinuda Shenal | | | 1599 | SRI | 0.50 | 1 | 0.28 | 29 | 8.12 | | | Zhakshylykov, Erzhan | f | | 2279 | KGZ | 0.50 | 1 | 0.50 | 29 | 14.50 | | | Bhavanan, J | | | 1290 | SRI | 0.50 | 1 | -0.12 | 29 | -3.48 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1379 | 1379 | 5.50 | 8 | 1.46 | 29 | 42.34 | |
| | Jayarathne, R R | | | 1117 | SRI | 1.00 | 1 | 0.18 | 29 | 5.22 | | | Thilakaratna, B A Thevindu Kenula | | | 1202 | SRI | 1.00 | 1 | 0.27 | 29 | 7.83 | | | De Silva, Osheen | | | 1763 | SRI | 0.00 | 1 | -0.09 | 29 | -2.61 | | | Kularathne, K A Praveen | | | 1149 | SRI | 1.00 | 1 | 0.21 | 29 | 6.09 | | | De Silva, K H Kalpa | | | 1128 | SRI | 1.00 | 1 | 0.19 | 29 | 5.51 | | | Gunawardhana, Devindya Oshini | | | 1574 | SRI | 0.50 | 1 | 0.25 | 29 | 7.25 | | | Marapana, Sanupa Bimsath | | | 1550 | SRI | 0.50 | 1 | 0.23 | 29 | 6.67 | | | Suranjith, K W A | | | 1547 | SRI | 0.50 | 1 | 0.22 | 29 | 6.38 | |
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 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1275 | 1379 | 4.00 | 7 | -0.47 | 29 | -13.63 | |
| | Polgampola, S S S | | | 1112 | SRI | 1.00 | 1 | 0.18 | 29 | 5.22 | | | Kulasekara, D M T Kashyapa | | | 1809 | SRI | 0.00 | 1 | -0.07 | 29 | -2.03 | | | Nissanka, Mindulee | | | 1085 | SRI | 0.00 | 1 | -0.85 | 29 | -24.65 | | | Munasinghe, M A D D D | | | 1111 | SRI | 1.00 | 1 | 0.17 | 29 | 4.93 | | | Wijewardana, K D | | | 1129 | SRI | 1.00 | 1 | 0.19 | 29 | 5.51 | | | Attanayake, Chanindi Mewna | | | 1548 | SRI | 0.00 | 1 | -0.28 | 29 | -8.12 | | | Meedeniya, Ravindu Malintha | | | 1130 | SRI | 1.00 | 1 | 0.19 | 29 | 5.51 | |
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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