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Individual Calculations March 2018 |
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| O`connell, David Total change: 38.40 | |   |
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| Armstrong Cup 2017-18 Rounds 5-6 | Various | IRL | 2017-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1780 | 1.00 | 1 | 0.35 | 40 | 14.00 | |
|  Phelan, John J. | | | 1667 | IRL | 1.00 | 1 | 0.35 | 40 | 14.00 | |
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) | | | | Heidenfeld Trophy 2017-18 Rounds 5-6 | Various | IRL | 2017-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 1780 | 1.50 | 2 | 0.61 | 40 | 24.40 | |
| | Janowski, Tom | | | 1790 | POL | 1.00 | 1 | 0.51 | 40 | 20.40 | |  Kalam, Abul | | | 1856 | IRL | 0.50 | 1 | 0.10 | 40 | 4.00 | |
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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