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Individual Calculations October 2021 |
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| Waters, Clive L Total change: 4.40 | |   |
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| 57th Northumberland Chess Weekender | Newcastle | ENG | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 2002 | 2.50 | 4 | 0.22 | 20 | 4.40 | |
|  Spanton, Tim R | | | 1747 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Bozinakis, Pavlos | | | 2216 | GRE | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Waterfield, Mark | | | 1679 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Henderson, David | | | 2095 | ENG | 0.50 | 1 | 0.13 | 20 | 2.60 | |
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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