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Individual Calculations June 2024 |
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| Xu, Zhihan Samuel Total change: -43.60 | |   |
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| "World School Chess Championship" Open under 09 | Lima | PER | 2024-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1498 | 1698 | 2.50 | 5 | -1.28 | 40 | -51.20 | |
|  Rubio Vargas, Santiago Mateo | | | 1446 | PER | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Perera , A A Senuth Thewsas | | | 1524 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Tenuun, Tseesuren | | | 1540 | MGL | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Mendoza Alata, Victor Gabriel | | | 1510 | PER | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Rocca Lino, Rafael Antonio Enki | | | 1471 | PER | 0.00 | 1 | -0.79 | 40 | -31.60 | |
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) | | | | 33rd Annual Chicago Open - U2100 | Wheeling, IL | USA | 2024-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1698 | 2.50 | 5 | 0.19 | 40 | 7.60 | |
| | Steger, Alexander | | | 1978 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Gelman, Jeffrey A | | | 1616 | USA | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Napoli, Steven | | | 1923 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Sun, Sophia | | | 1712 | USA | 0.00 | 1 | -0.48 | 40 | -19.20 | | | S G, Vaibav | | | 1417 | IND | 1.00 | 1 | 0.16 | 40 | 6.40 | |
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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