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Individual Calculations July 2015 |
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| Mills, James A Total change: 34.80 | |   |
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| 57th Gem City Open | Dayton, Ohio | USA | 2015-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2068 | 2.00 | 3 | 0.78 | 20 | 15.60 | |
|  Charles, Steve E | | | 1821 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Bidwell, John | | | 2202 | USA | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Vojinovic, Goran | m | | 2446 | SRB | 0.00 | 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) | | | | 2015 US Senior Open Championship | Schaumburg, Illinois | USA | 2015-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 2068 | 2.50 | 3 | 0.96 | 20 | 19.20 | |
| | Stoltz, Robert M | | | 1728 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Gratz, Glen E | | | 2259 | USA | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Chow, Albert C | f | | 2134 | USA | 0.50 | 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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