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Individual Calculations October 2017 |
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| Levey, Steve Total change: -15.80 | |   |
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| CCF LATE SUMMER LONG PLAY CONGRESS MAJOR | London | ENG | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1523 | 1441 | 1.50 | 4 | -0.06 | 20 | -1.20 | |
|  Mitchell, Robert S | | | 1544 | NZL | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Morris-Weston, Robin T | | | 1492 | ENG | 0.00 | 1 | -0.43 | 20 | -8.60 | |  Vaughan, John | | | 1562 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Howes, David J | | | 1492 | ENG | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | CCF WINTER CHESS 2017-18 SEPTEMBER 2017 | London | ENG | 2017-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1441 | 1.00 | 3 | -0.73 | 20 | -14.60 | |
| | Ito-Aramendia, Alejandro | | | 1477 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Wong, Cheuk Nam | | | 1543 | ENG | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Velayudham, Suriya | | | 1043 | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |
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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