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Individual Calculations March 2015 |
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| Brown, Thomas Total change: -29.80 | |   |
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| 2015 Welsh Winter Open | Penarth | WLS | 2015-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 2054 | 1.00 | 3 | -1.03 | 20 | -20.60 | |
|  Sivarajasingam, Venetia | | | 1654 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Braun, Walter | f | | 2186 | AUT | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Reid, Vaness | | wf | 1828 | AUS | 0.00 | 1 | -0.79 | 20 | -15.80 | | | * 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) | | | | 4NCL 2014-15 Rounds 5-6 | Various | ENG | 2015-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 2072 | 1.00 | 2 | 0.03 | 20 | 0.60 | |
| | Hoare, Amy B | | | 2059 | ENG | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Lemoir, David | | | 2111 | ENG | 1.00 | 1 | 0.55 | 20 | 11.00 | |
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) | | | | 44th Dyfed Chess Congress | Goodwick | WLS | 2015-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 2072 | 1.00 | 3 | -0.49 | 20 | -9.80 | |
| | Zeidler, Sven P. | f | | 2228 | WLS | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Reid, Vaness | | wf | 1828 | AUS | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Byway, Paul V | f | | 2143 | ENG | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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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