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Individual Calculations September 2023 |
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| Cordero Alchahueni, Jorge Marcelo Total change: 23.60 | |   |
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| IRT Sub-1800 LA CALERA JULIO 2023 | La Calera . Chile | CHI | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1465 | 1479 | 2.00 | 2 | 0.96 | 40 | 38.40 | |
|  Zamora Zamora, Cristian | | | 1415 | CHI | 1.00 | 1 | 0.41 | 40 | 16.40 | |  Perez Rojas, Felipe | | | 1514 | CHI | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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) | | | | torneo irt sub 1800 Club Chess Maipu | Santiago | CHI | 2023-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1162 | 1479 | 0.50 | 1 | -0.37 | 40 | -14.80 | |
| | Morrison Martinez, Janis Ariane | | | 1162 | CHI | 0.50 | 1 | -0.37 | 40 | -14.80 | |
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) | | |
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