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Individual Calculations June 2024 |
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| McCallum, Elliot Total change: -137.20 | |   |
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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 |
| 1547 | 1855 | 3.50 | 6 | -1.54 | 40 | -61.60 | |
|  Khati, Tailan | | | 1455 * | KAZ | 0.00 | 1 | -0.92 | 40 | -36.80 | |  Vivanco Polanco, Aaron David | | | 1455 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Colque Salcedo, Adriel Samin | | | 1476 | PER | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Arteaga Herbas, Thiago Andre | | | 1558 | BOL | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Quinones Bustamante, Hector Gabri | | | 1534 | PER | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Guntaka, Aayansh | | | 1803 | USA | 0.00 | 1 | -0.57 | 40 | -22.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2024 Keres Memorial Premier | Surrey, British Columbia | CAN | 2024-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 1855 | 0.50 | 4 | -1.45 | 40 | -58.00 | |
| | Chen, Yidong | | | 1906 | CHN | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Harms, Reece | | | 1804 | CAN | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Verdon, Norman | | | 1872 | CAN | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Zou, Alex | | | 1873 | CAN | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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) | | | | 2024 Washington Open | Redmond, WA | USA | 2024-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1862 | 1855 | 1.50 | 4 | -0.44 | 40 | -17.60 | |
| | Gibbins, Wilson | | | 1971 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Jammalamadaka, Vihaan | | | 1972 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Pupols, Viktors | | | 1853 | USA | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Lin, Michael | | | 1650 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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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