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Individual Calculations June 2023 |
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| Marsh, Roger D W Total change: -29.60 | |   |
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| 2022/23 4NCL Division 4 Rounds 9-11 | Warwick | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1914 | 2.00 | 3 | -0.21 | 20 | -4.20 | |
|  Walner, Milenko | | | 1514 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Davies, Peter | | | 1890 | WLS | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Smith, Richard | | | 1715 | ENG | 0.50 | 1 | -0.26 | 20 | -5.20 | | | * 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) | | | | Ayr Open 2023 - Scottish Chess Tour | Ayr | SCO | 2023-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1926 | 1.50 | 4 | -1.27 | 20 | -25.40 | |
| | Kane, Robert | | | 1745 | ENG | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Lukhi, Neev | | | 1539 | SCO | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Jennings, Richard | | | 1850 | SCO | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Malkin, Kenneth | | | 1910 | SCO | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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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