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Rapid:
Individual Calculations September 2018 |
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| Lau, William Total change: -10.20 | |   |
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| 10th Golders Green FIDE Rapid Chess Major | London | ENG | 2018-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1705 | 1429 | 1.50 | 5 | 0.61 | 20 | 12.20 | |
|  Jacob, Sydney J | | | 1750 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Pitkeathly, Hamish | | | 1568 | ENG | 1.00 | 1 | 0.69 | 20 | 13.80 | |  Bussmann, John | | | 1642 | ENG | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Mozaffari, Mohammad Hossein | | | 1737 | IRI | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Wood, Peter R | | | 1829 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Richmond Rapidplay U160 August 2018 | London | ENG | 2018-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1412 | 1429 | 1.50 | 5 | -1.12 | 20 | -22.40 | |
| | Hamilton, Melissa | | | 1282 | ENG | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Savas, Stoica M | | | 1534 | ENG | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Cole, David M | | | 1350 | ENG | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Shard, Henry | | | 1376 | ENG | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Dupuis, Denis K | | | 1517 | ENG | 0.00 | 1 | -0.38 | 20 | -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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