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Individual Calculations December 2017 |
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| Smith, Derek Total change: -13.00 | |   |
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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 |
| 1904 | 1979 | 1.00 | 2 | -0.19 | 20 | -3.80 | |
|  O`donovan, Richard | | | 2039 | IRL | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Murphy, Cian | | | 1768 | IRL | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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 |
| 1996 | 1979 | 0.50 | 2 | -0.46 | 20 | -9.20 | |
|  Bottino, Alexiei | | | 1989 | ITA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Melaugh, Gavin | | | 2003 | IRL | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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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