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Individual Calculations December 2017 |
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| Duffy, Seamus Total change: -0.40 | |   |
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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 |
| 2226 | 2015 | 0.50 | 2 | 0.01 | 20 | 0.20 | |
|  Moran, Stephen | | | 2115 | IRL | 0.50 | 1 | 0.14 | 20 | 2.80 | |  Fitzsimons, David | f | | 2336 | IRL | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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 |
| 2002 | 2015 | 1.00 | 2 | -0.03 | 20 | -0.60 | |
| | McPhillips, Karl | f | | 2269 | IRL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Novak, Vjekoslav | | | 1734 | CRO | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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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