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Individual Calculations December 2017 |
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| O`donnell, Conor Total change: -8.80 | |   |
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| Armstrong Cup 2017-18 Rounds 1-2 | Various | IRL | 2017-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 2383 | 0.50 | 1 | -0.33 | 20 | -6.60 | |
|  Moran, Stephen | | | 2115 | IRL | 0.50 | 1 | -0.33 | 20 | -6.60 | |
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) | | | | Armstrong Cup 2017-18 Rounds 3-4 | Various | IRL | 2017-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2318 | 2358 | 1.00 | 2 | -0.11 | 20 | -2.20 | |
|  Valdes Escobar, Alvaro | m | | 2366 | CHI | 0.00 | 1 | -0.49 | 20 | -9.80 | | | McPhillips, Karl | f | | 2269 | IRL | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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) | | |
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