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Individual Calculations June 2017 |
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| Waterfield, John W Total change: -5.60 | |   |
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| 2017 World Senior Team Championships open 65 plus | Hersonisos Crete | GRE | 2017-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 1948 | 1.50 | 6 | -0.25 | 20 | -5.00 | |
|  Malmdin, Nils-Ake | f | | 2197 | SWE | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Sterner, Johan | | | 1916 | SWE | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Carlsson, Ingvar | | | 2130 | SWE | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Van Caspel, Ruud | | | 2101 | NED | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Hohler, Peter | f | | 2076 | SUI | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Lederman, Leon | m | | 2276 | ISR | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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 2016/17 Round 5 | Merthyr | WLS | 2017-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 1973 | 0.50 | 1 | -0.03 | 20 | -0.60 | |
| | Van Kemenade, Rudy | | | 1955 | WLS | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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) | | |
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