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Individual Calculations September 2017 |
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| Walshaw, David Total change: -0.60 | |   |
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| 104th British Championships Under 1900 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1691 | 3.00 | 5 | -0.03 | 20 | -0.60 | |
|  Paul, Nathanael | | | 1871 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Coleman, Frederick | | | 1516 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Andrews, Norman G | | | 1612 | ENG | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Connolly Sams, Dietah | | | 1565 | SCO | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Lloyd, Stephen M | | | 1485 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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) | | |
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