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Individual Calculations December 2017 |
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| Jakubauskas, Zygimantas Total change: 4.20 | |   |
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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 |
| 1985 | 2065 | 1.50 | 2 | 0.28 | 20 | 5.60 | |
|  Schmidt, Martin | | | 2007 | IRL | 0.50 | 1 | -0.08 | 20 | -1.60 | |  Lane, John | | | 1963 | IRL | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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 |
| 2038 | 2065 | 1.00 | 2 | -0.07 | 20 | -1.40 | |
| | Jackson, Carl | | | 2149 | IRL | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Aherne, John P. | | | 1927 | IRL | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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