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Individual Calculations December 2017 |
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| Beatty, Ross Total change: -0.80 | |   |
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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 |
| 1966 | 1775 | 0.00 | 2 | -0.51 | 40 | -20.40 | |
|  McCarthy, Tim | | | 2017 | IRL | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Reynolds, Pat | | | 1914 | IRL | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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) | | | | Armstrong Cup 2017-18 Rounds 3-4 | Various | IRL | 2017-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1775 | 1.00 | 2 | 0.49 | 40 | 19.60 | |
| | O`connor, Eddie | | | 2023 | IRL | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Jackson, Peter D. | | | 1907 | IRL | 1.00 | 1 | 0.68 | 40 | 27.20 | |
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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