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Individual Calculations May 2017 |
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| Dong, Bao Nghia Total change: 30.00 | |   |
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| 13th 4NCL Congress Open | Wakefield | ENG | 2017-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 2103 | 4.00 | 5 | 0.44 | 20 | 8.80 | |
|  Webster, Richard J | | | 1945 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | |  Towers, Brian | | | 1788 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Murphy, Conor E | | | 2077 | ENG | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Modi, Kishan J | | | 1703 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Shaw, Peter | | | 2083 | ENG | 0.50 | 1 | -0.03 | 20 | -0.60 | | | * 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) | | | | 2017 Bolton Easter Congress Open | Bolton | ENG | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2220 | 2103 | 2.50 | 4 | 1.06 | 20 | 21.20 | |
| | Boswell, Jacob Connor | | | 1883 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Kukov, Velislav | m | | 2380 | BUL | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Mitchell, Martin | | | 2220 | SCO | 0.50 | 1 | 0.16 | 20 | 3.20 | | | McPhillips, Joseph | f | | 2395 | ENG | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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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