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Individual Calculations February 2019 |
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| Willow, Jonah B Total change: 44.60 | |   |
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| Hastings Masters 2018-19 | Hastings | ENG | 2018-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2263 | 2218 | 6.00 | 10 | 1.61 | 20 | 32.20 | |
|  Williams, Simon K | g | | 2472 | ENG | 1.00 | 1 | 0.81 | 20 | 16.20 | |  Kjartansson, Gudmundur | m | | 2415 | ISL | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Sarkar, Justin | m | | 2332 | USA | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Korneev, Oleg | g | | 2550 | ESP | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Lalic, Bogdan | g | | 2420 | CRO | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Petrov, Martin | m | | 2472 | BUL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Brown, Thomas | | | 2068 | WLS | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Rice, Chris B | | | 1963 | ENG | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Gu, In Jung | | | 1818 * | KOR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Taylor, Adam A | | | 2122 | ENG | 1.00 | 1 | 0.37 | 20 | 7.40 | | | * 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) | | | | 2018/19 4NCL Div 1 Rounds 3 - 4 | Daventry | ENG | 2019-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2216 | 2218 | 1.00 | 2 | 0.00 | 20 | 0.00 | |
| | Ansell, Simon T | m | | 2332 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Head, Louise | | wf | 2099 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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) | | | | 21st 4NCL Congress Open | Harrogate | ENG | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 2218 | 4.00 | 5 | 0.62 | 20 | 12.40 | |
| | Hymer, Barry J | | | 1886 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Ther, Mate | | | 1818 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wells, Peter K | g | | 2405 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Starley, Robert | | | 2093 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Surtees, Mike J | | | 2105 | ENG | 1.00 | 1 | 0.35 | 20 | 7.00 | | | * 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) | | |
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