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Individual Calculations December 2017 |
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| Jaszkiwskyj, Peter Total change: -29.60 | |   |
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| 2017/18 4NCL Division 3 South Rounds 1-2 | Reading | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 1936 | 0.50 | 2 | -0.48 | 20 | -9.60 | |
|  Batchelor, Paul A | | | 1888 | ENG | 0.00 | 1 | -0.57 | 20 | -11.40 | |  Habershon, Paul F | | | 1999 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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) | | | | Preston Chess Congress | Preston | ENG | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1936 | 0.50 | 3 | -1.00 | 20 | -20.00 | |
| | Jowett, Peter E | | | 2147 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Wareing, John P | | | 1931 | ENG | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Rahulan, Thivyaa | | | 1737 | ENG | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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) | | |
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