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Individual Calculations February 2015 |
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| Van Kemenade, Rudy Total change: 15.60 | |   |
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| 2015 South Wales New Year Open | Bridgend | WLS | 2015-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1965 | 3.00 | 5 | 0.30 | 20 | 6.00 | |
|  McLaren, Charlie | | | 1687 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Woolcock, Craig | | | 1904 | WLS | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Heap, Gerry | | | 2056 | WLS | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Davis, Ashley J | | | 1859 | WLS | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Mason, Donald J | | | 2138 | ENG | 0.00 | 1 | -0.27 | 20 | -5.40 | |
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) | | | | 4NCL 2014-15 Rounds 3-4 | Various | ENG | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 1965 | 1.50 | 2 | 0.75 | 20 | 15.00 | |
| | Taylor, Adam A | | | 2098 | ENG | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Gooding, Ian | | | 2013 | 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) | | | | Welsh Chess Premier League 2014/15 Rd4 | Various | WLS | 2015-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 1965 | 0.00 | 1 | -0.27 | 20 | -5.40 | |
| | May, Frank | | | 2136 | WLS | 0.00 | 1 | -0.27 | 20 | -5.40 | |
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) | | |
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