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Individual Calculations September 2019 |
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| Petroni, Nicolas Total change: -19.40 | |   |
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| 2019 Neil Falconer Marathon | Berkeley, California | USA | 2019-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1365 | 0.00 | 4 | -0.97 | 20 | -19.40 | |
|  Trestor, David | | | 1614 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Aher, Sandesh | | | 1351 | USA | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Lesquillier, Walter | | | 1646 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Del Rosario, Frisco | | | 1734 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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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