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Individual Calculations December 2017 |
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| Ruchko, Denis Total change: -7.20 | |   |
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| Heidenfeld Trophy 2017-18 Rounds 1-2 | Various | IRL | 2017-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1840 | 1824 | 1.00 | 1 | 0.52 | 40 | 20.80 | |
|  Delaney, Michael C. | | | 1840 | IRL | 1.00 | 1 | 0.52 | 40 | 20.80 | |
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) | | | | Limerick Open 2017 | Castletroy | IRL | 2017-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1709 | 1824 | 2.50 | 5 | -0.70 | 40 | -28.00 | |
|  Fitzgerald, Martin | | | 1506 | IRL | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Huber, Fritz | | | 1767 | GER | 1.00 | 1 | 0.42 | 40 | 16.80 | | | O`brien, Liam | | | 1837 | IRL | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Naughton, James | | | 1827 | IRL | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Murphy, Adam | | | 1609 | IRL | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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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