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Individual Calculations February 2023 |
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| Halpenny, John Total change: 115.20 | |   |
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| The Irish 1300 to 1700 Championships 2023 | Dublin | IRL | 2023-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1620 | 1329 | 4.00 | 7 | 2.88 | 40 | 115.20 | |
|  Wang, Zhengjn | | | 1573 | IRL | 1.00 | 1 | 0.80 | 40 | 32.00 | |  Rrasa, Elvan | | | 1659 | ITA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Kononova, Alina | | | 1529 | UKR | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Bennett, Eric | | | 1742 | IRL | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Hayden, Luke | | | 1680 | IRL | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Salmin, Vitaliy | | | 1575 | IRL | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Sheahan, Gavin | | | 1581 | IRL | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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) | | |
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