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Individual Calculations February 2020 |
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| Henderson Jr, S E Total change: -8.00 | |   |
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| Tim Just Winter Open XXXVII | Schaumburg, Illinois | USA | 2020-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1517 | 1.00 | 5 | -1.21 | 20 | -24.20 | |
|  Gupta, Aditya | | | 1829 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Heller, Jack | | | 1601 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Adusumalli, Saanvi | | | 1387 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Lin, Sarah | | | 1663 | USA | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Zhao, Maxwell Zhiyuan | | | 1356 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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) | | | | Gibraltar International Chess Festival 2020 Amateurs A | Gibraltar | ENG | 2020-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1608 | 1517 | 3.00 | 4 | 1.46 | 20 | 29.20 | |
| | Carr, Matthew | | | 1681 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Apps, Ian | | | 1308 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Olaizola, Miguel | | | 1809 | GER | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Clare, Steve | | | 1632 | ENG | 1.00 | 1 | 0.66 | 20 | 13.20 | |
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) | | | | Gibraltar International Chess Festival 2020 Amateurs B | Gibraltar | ENG | 2020-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1517 | 1.00 | 4 | -0.65 | 20 | -13.00 | |
| | Johansson, Daniel 1984 | | | 1799 | SWE | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Martos Amiguet, Valentina | | | 1745 | ESP | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Kearsley, Raymond J | | | 1611 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Harbinson, Alec Ryan | | | 1141 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | |
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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