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Individual Calculations December 2017 |
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| Ruane, Ciaran Total change: 9.20 | |   |
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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 |
| 2010 | 1946 | 1.00 | 2 | 0.17 | 40 | 6.80 | |
|  McHugh, Kevin | | | 2084 | IRL | 0.00 | 1 | -0.31 | 40 | -12.40 | |  Curran, Garrett | | | 1935 | IRL | 1.00 | 1 | 0.48 | 40 | 19.20 | |
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) | | | | Armstrong Cup 2017-18 Rounds 3-4 | Various | IRL | 2017-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1946 | 1.00 | 2 | 0.06 | 40 | 2.40 | |
| | Schmidt, Martin | | | 2007 | IRL | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Hearns, Liam T. | | | 1929 | IRL | 0.50 | 1 | -0.02 | 40 | -0.80 | |
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) | | |
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