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Individual Calculations July 2011 |
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| Griffiths, Ryan Rhys Total change: 1.80 | |   |
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| 4NCL 2011 | various | ENG | 2010-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2267 | 1.50 | 3 | -0.07 | 15 | -1.05 | |
|  Houska, Jovanka | m | wg | 2421 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | |  Mangione, Claudio | | | 2099 | ITA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Shephard, Chris C W | | | 2222 | ENG | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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) | | | | Munster Chess Union League – Division 1 | Ennis, Limerick and Charleville | IRL | 2010-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 2267 | 1.00 | 1 | 0.19 | 15 | 2.85 | |
| | O`Toole, Lorcan | | | 2017 | IRL | 1.00 | 1 | 0.19 | 15 | 2.85 | |
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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