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Individual Calculations October 2015 |
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| Keating, Robert F Total change: -13.20 | |   |
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| 61st Iowa Open Championship | Coralville, Iowa | USA | 2015-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2222 | 2082 | 1.00 | 2 | 0.29 | 20 | 5.80 | |
|  Knapp, Joseph A | | | 2012 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Brooks, Michael A | m | | 2431 | USA | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | 2015 Illinois Open State Chess Championship | Northbrook, Illinois | USA | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1800 | 2082 | 4.00 | 6 | -0.95 | 20 | -19.00 | |
| | Zhang, Edward | | | 1682 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | |  Venkat, Abhyudhaya | | | 1682 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kalghatgi, Nikhil | | | 1804 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Proleiko, Julian | | | 1952 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Kalghatgi, Akhil | | | 1863 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Wang, Ricky | | | 1816 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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