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Individual Calculations April 2023 |
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| Pinphetsawan, Sirikwan Total change: -44.00 | |   |
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| 2nd Red Knight Chess Club Open | Bangkok | THA | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1511 | 1435 | 0.50 | 5 | -1.67 | 20 | -33.40 | |
|  Chua, Chee Sian Sebastien | | | 1913 | MAS | 0.00 | 1 | -0.05 | 20 | -1.00 | |  Vogelsanger, Nicolas | | | 1557 | SUI | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Srivatanakul, Pricha | | | 1261 | THA | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Langendoen, Aad | | | 1326 | NED | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Chongstitwattana, Cholapat | | | 1499 | THA | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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) | | | | Big Rook March 2023 Standard Chess Open | Bangkok | THA | 2023-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1583 | 1435 | 0.50 | 3 | -0.53 | 20 | -10.60 | |
| | Wongsawan, Thoetsak | | | 1827 | THA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Frost, Peter | | | 1690 | AUS | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Chinkulkitniwat, Purichaya | | | 1231 | THA | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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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