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Individual Calculations August 2023 |
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| Jestico, John V Total change: -60.00 | |   |
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| 2023 British Championship: AM Under 1600 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1293 | 1327 | 1.00 | 3 | -0.64 | 40 | -25.60 | |
|  Gilbert, David J | | | 1520 | ENG | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Mehrgan, Mehrsam | | | 1118 | IRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Brown, Stephanie | | | 1242 | ENG | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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) | | | | 2023 British Championship: PM Under 1750 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1506 | 1327 | 0.50 | 5 | -0.86 | 40 | -34.40 | |
| | O Hanlon, Joseph | | | 1598 | IRL | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Crompton, Robert | | | 1536 | ENG | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Zigmond, Andrew | | | 1554 | ENG | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Joseph, Tomy | | | 1469 | ENG | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Fraser, Chris | | | 1373 | ENG | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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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