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Individual Calculations August 2023 |
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| Gilbert, David J Total change: -49.40 | |   |
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| 2023 British Championship: Weekender - Soanes | Leicester | ENG | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1432 | 1520 | 3.50 | 4 | 1.15 | 20 | 23.00 | |
|  Mehrgan, Mehrsam | | | 1118 | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Clare, Steve | | | 1628 | ENG | 0.50 | 1 | 0.15 | 20 | 3.00 | |  Meredith, Daniel | | | 1438 | ENG | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Lawrence, Simon | | | 1545 | ENG | 1.00 | 1 | 0.53 | 20 | 10.60 | |
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) | | | | 2023 British Championship: AM Under 1600 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1370 | 1520 | 1.50 | 4 | -1.29 | 20 | -25.80 | |
| | Jestico, John V | | | 1327 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Tomy, Jake | | | 1365 | ENG | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Boztas, Lana | | | 1332 | ENG | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Chadwick, Susan E | | | 1455 | ENG | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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) | | | | 2023 British Championship: PM Under 1750 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1520 | 0.50 | 4 | -2.33 | 20 | -46.60 | |
| | Scott, Jane | | | 1187 | ENG | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Yu, William | | | 1372 | ENG | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Morris, Nigel W | | | 1386 | ENG | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Jones, Michael R | | | 1469 | ENG | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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) | | |
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