Individual Calculations February 2016 |
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Waterfield, John W Total change: -8.60 | | |
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Welsh Chess Premier League 2015/16 Round 3 | Various | WLS | 2016-01-03 |
Rc | Ro | w | n | change | K | K*chg | Game |
1923 | 1913 | 0.50 | 1 | 0.01 | 20 | 0.20 | |
| James, Dai | | | 1923 | WLS | 0.50 | 1 | 0.01 | 20 | 0.20 | | 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) | | 2016 South Wales New Year Congress | Penarth | WLS | 2016-01-08 |
Rc | Ro | w | n | change | K | K*chg | Game |
1887 | 1913 | 2.50 | 4 | 0.45 | 20 | 9.00 | |
| Pleasants, Allan J | | | 2049 | WLS | 0.50 | 1 | 0.18 | 20 | 3.60 | | Williams, David J | | | 1538 | WLS | 1.00 | 1 | 0.09 | 20 | 1.80 | | Rodriguez, Juan Talavera | | | 1948 | WLS | 0.00 | 1 | -0.45 | 20 | -9.00 | | Bevan, Peter M | | | 2011 | WLS | 1.00 | 1 | 0.63 | 20 | 12.60 | | 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) | | Welsh Chess Premier League 2015/16 Round 4 | Various | WLS | 2016-01-24 |
Rc | Ro | w | n | change | K | K*chg | Game |
1557 | 1913 | 0.00 | 1 | -0.89 | 20 | -17.80 | |
| Sivarajasingam, Venetia | | | 1557 | WLS | 0.00 | 1 | -0.89 | 20 | -17.80 | | 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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