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Individual Calculations April 2018 |
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| Boztas, Lana Total change: 3.40 | |   |
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| CCF WINTER CHESS 2017-18 LONG PLAY RESULTS FEBRUARY 2018 B | Coulsdon | ENG | 2018-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1576 | 1458 | 0.00 | 1 | -0.34 | 20 | -6.80 | |
|  Bloom, Paul | | | 1576 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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) | | | | CCF WINTER CHESS 2017-18 LONG PLAY RESULTS MARCH 2018 | London | ENG | 2018-03-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1464 | 1463 | 2.00 | 3 | 0.51 | 20 | 10.20 | |
| | Elliott, Judah P | | | 1391 | CAN | 0.00 | 1 | -0.60 | 20 | -12.00 | |  Smyth, Sandy A | | | 1438 | ENG | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Pratley, Ian | | | 1563 | ENG | 1.00 | 1 | 0.64 | 20 | 12.80 | |
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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