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Individual Calculations October 2015 |
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| Williams, Ronald Total change: 34.80 | |   |
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| 2015 Michigan Open | Lansing, Michigan | USA | 2015-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 1844 | 3.50 | 6 | 0.91 | 40 | 36.40 | |
|  Peredun, Andrew | f | | 2244 * | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Morabito, Matthew | | | 1889 | USA | 0.00 | 1 | -0.44 | 40 | -17.60 | |  He, Harrison | | | 1953 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Shibata, Robert S | | | 1523 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Oneil, Brandon J | | | 1811 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Davidovich, Manis | | | 1993 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | * 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) | | | | 2015 Harold Steen Memorial Cup | Dearborn, Michigan | USA | 2015-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1621 | 1844 | 3.00 | 4 | -0.04 | 40 | -1.60 | |
| | Gaisinsky, Adam | | | 1533 | CAN | 0.00 | 1 | -0.86 | 40 | -34.40 | | | Xu, Arthur Zihan | | | 1800 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Zhang, Henry | | | 1677 | CAN | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Zhou, Lily | | wc | 1472 | CAN | 1.00 | 1 | 0.10 | 40 | 4.00 | |
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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