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Individual Calculations August 2021 |
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| Checa, Nicolas De T Total change: -6.50 | |   |
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| 14th Annual Philadelphia International - Premier | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2409 | 2574 | 5.50 | 9 | -0.84 | 10 | -8.40 | |
|  Park, Evan | | | 2212 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Wang, Tianqi | | | 2317 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Sheng, Joshua | m | | 2453 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Hong, Andrew Zhang | m | | 2453 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Repka, Christopher | g | | 2496 | SVK | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Escalante, Brian | m | | 2452 | PER | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Salinas Herrera, Pablo | g | | 2514 | CHI | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Tsay, Vincent | f | | 2285 | USA | 0.00 | 1 | -0.84 | 10 | -8.40 | | | Balakrishnan, Praveen | m | | 2500 | USA | 0.50 | 1 | -0.10 | 10 | -1.00 | |
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) | | | | 2021 US Junior Championship | St. Louis, Missouri | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2486 | 2552 | 5.50 | 9 | 0.19 | 10 | 1.90 | |
| | Jacobson, Brandon | g | | 2504 | USA | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Brodsky, David | m | | 2455 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Niemann, Hans | g | | 2571 | USA | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Balakrishnan, Praveen | m | | 2507 | USA | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Hong, Andrew | m | | 2474 | USA | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Burke, John Michael | g | | 2538 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Li, Ben | m | | 2376 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Wang, Justin | m | | 2467 | USA | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Yoo, Christopher Woojin | m | | 2479 | USA | 1.00 | 1 | 0.40 | 10 | 4.00 | |
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) | | |
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