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Individual Calculations February 2020 |
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| Collier, Philip M Total change: -18.60 | |   |
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| DMV Chess League Season 5 Round 1 | Idylwood, Virginia | USA | 2020-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 1789 | 0.00 | 1 | -0.17 | 20 | -3.40 | |
|  Lowinger, Daniel | | | 2067 | USA | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | 2020 Washington, D.C. Championship | Washington, DC | USA | 2020-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1789 | 1.00 | 3 | -0.76 | 20 | -15.20 | |
| | Thomas, Rehle | | | 1910 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | |  Jay, Lalwani | | | 1674 | USA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Hanchi, Yao | | | 1586 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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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