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Individual Calculations November 2022 |
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| Chongstitwattana, Cholapat Total change: -13.80 | |   |
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| Big Rook After-Work Chess Tournament October 2022 | Bangkok | THA | 2022-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1346 | 1519 | 1.50 | 2 | 0.05 | 20 | 1.00 | |
|  Pinphetsawan, Sirikwan | | | 1382 | THA | 0.50 | 1 | -0.18 | 20 | -3.60 | |  Jongatireklap, Wacharaphol | | | 1309 | THA | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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) | | | | Big Rook October 2022 Chess Open | Bangkok | THA | 2022-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1389 | 1519 | 2.50 | 5 | -0.74 | 20 | -14.80 | |
| | Tawankanjana, Sasinat | | | 1108 | THA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mekarapiruk, Nathasha | | | 1324 | THA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Rolston, Daniel Haruma | | | 1408 | IRL | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Frost, Peter | | | 1722 | AUS | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Pinphetsawan, Sirikwan | | | 1382 | THA | 0.00 | 1 | -0.68 | 20 | -13.60 | |
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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