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Individual Calculations October 2018 |
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| Robledo, Mark Total change: -2.60 | |   |
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| 2018 Illinois Open State Championship | Downers Grove, Illinois | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 2025 | 2.00 | 3 | -0.13 | 20 | -2.60 | |
|  Ho, Kevin | | | 1852 | USA | 0.50 | 1 | -0.23 | 20 | -4.60 | |  Hoesley, Aria | | | 1828 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Napoli, Steven | | | 1913 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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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