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Individual Calculations September 2023 |
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| Colville, Julian Total change: 111.60 | |   |
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| 43rd Annual Lina Grumette Memorial | VAN NUYS, CA | USA | 2023-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1729 | 4.00 | 6 | 1.83 | 40 | 73.20 | |
|  Yu, Avery | | | 1832 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | |  She, Byron | | | 1816 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Hsiao, Ethan | | | 1947 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Maheshwari, Vedant | | | 1781 | USA | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Pau, Ethan | | | 1903 | USA | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Andranigian, Armen | | | 1725 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 14 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1753 | 1759 | 5.50 | 9 | 0.96 | 40 | 38.40 | |
| | Shankar, Aashritha | | | 1359 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Tao, Sihan | | | 2182 | USA | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Lugo Cruz, Yahir | | | 1458 | PUR | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Boydell, Oliver | | | 1570 | USA | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Raju, Yakshwag Reddy | | | 1755 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Zhang, Brian | | | 1939 | CAN | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Yang, Lefan | | | 1803 | CAN | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Xia, Ruoxiao | | | 1932 | USA | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Joseph, Jonath | | | 1781 | CAN | 0.00 | 1 | -0.47 | 40 | -18.80 | | | * 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) | | |
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