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Individual Calculations December 2017 |
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| Benson, Oisin P. Total change: -1.00 | |   |
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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 |
| 2037 | 1986 | 0.50 | 2 | -0.36 | 20 | -7.20 | |
|  Lane, John | | | 1963 | IRL | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Freeman, Gordon | | | 2111 | IRL | 0.00 | 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 |
| 1918 | 1986 | 1.50 | 2 | 0.31 | 20 | 6.20 | |
|  Scallan, Fiachra | | | 1886 | IRL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Hogan, Pat | | | 1949 | IRL | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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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