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Individual Calculations March 2015 |
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| Reid, Vaness Total change: 31.00 | |   |
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| 2015 Welsh Winter Open | Penarth | WLS | 2015-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 1828 | 2.00 | 4 | 0.45 | 20 | 9.00 | |
|  Bullen, Alex | | | 2038 | WLS | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Di-Vetta, Andrew | | | 1585 | WLS | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Brown, Thomas | | | 2054 | WLS | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Hatchett, Paul | | | 1971 | WLS | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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) | | | | 4NCL 2014-15 Rounds 5-6 | Various | ENG | 2015-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 1828 | 1.50 | 2 | 0.80 | 20 | 16.00 | |
| | Higgs, Anthony Rj | | | 1972 | ENG | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Peck, Silas | | | 1907 | ENG | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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) | | | | 44th Dyfed Chess Congress | Goodwick | WLS | 2015-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 1828 | 1.50 | 4 | 0.30 | 20 | 6.00 | |
| | Strugnell, Carl | f | | 2228 * | FRA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Hurn, Robert Aj | | | 1702 | WLS | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Brown, Thomas | | | 2072 | WLS | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Bevan, Peter M | | | 2025 | WLS | 0.50 | 1 | 0.25 | 20 | 5.00 | | | * 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) | | |
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