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Individual Calculations November 2019 |
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| Young, Alan Total change: -15.20 | |   |
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| 52nd West Wales Open 2019 | Swansea | WLS | 2019-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 2015 | 2.50 | 5 | -0.97 | 20 | -19.40 | |
|  Buttell, David | | | 1828 | WLS | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Cheung, Ryan | | | 1642 | WLS | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Van Kemenade, Rudy | | | 1885 | WLS | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Makkar, Rajat | c | | 2135 | FRA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Haigh, Tony | | | 1761 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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) | | | | Welsh Chess Premier League 2019/2020 Round 1 | Neath | WLS | 2019-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2172 | 2015 | 0.50 | 1 | 0.21 | 20 | 4.20 | |
| | Jones, Iolo C | f | | 2172 | WLS | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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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