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Individual Calculations May 2017 |
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| Spence, David J Total change: -24.80 | |   |
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| 13th 4NCL Congress Open | Wakefield | ENG | 2017-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2168 | 2.50 | 5 | -1.26 | 20 | -25.20 | |
|  Wells, Jonathan C | | | 2018 | ENG | 0.50 | 1 | -0.20 | 20 | -4.00 | |  Gardiner, Eric D | | | 1947 | ENG | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Vickery, Jim E | | | 1963 | ENG | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Modi, Shyam Jagdish | | | 1934 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Willow, Jonah B | | | 1993 | ENG | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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) | | | | Southend Easter Bank Holiday Congress OPEN | London | ENG | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2153 | 2168 | 4.50 | 7 | 0.78 | 20 | 15.60 | |
| | Ponting, Andrew | | | 1877 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Gareyev, Timur | g | | 2568 * | USA | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Barton, R Alan | | | 2050 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Wadsworth, Matthew J | f | | 2292 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Britton, Richard L | f | | 2168 | ENG | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Ledger, Stephen C | | | 2047 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Amato, Giampiero | | | 2067 | ITA | 0.50 | 1 | -0.14 | 20 | -2.80 | | | * 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) | | | | GAMMA Reykjavik Open 2017 | Reykjavik | ISL | 2017-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 2168 | 3.00 | 7 | -0.76 | 20 | -15.20 | |
| | Thorhallsson, Throstur | g | | 2423 | ISL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Valtysson, Thor | | | 1955 | ISL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Sundararajan, Kidambi | g | | 2422 | IND | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Mulleady, Peter J | | | 1949 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Piasetski, Leon | m | | 2300 | CAN | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Bergsson, Stefan | | | 2031 | ISL | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Baliuniene, Margarita | | | 1897 | DEN | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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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