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Individual Calculations July 2018 |
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| Mackay, Ian W Total change: -3.00 | |   |
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| Ayr Congress 2018 - (under 1900 - over 1500) | Ayr | SCO | 2018-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1639 | 1676 | 2.00 | 4 | -0.15 | 20 | -3.00 | |
|  Thomas, Philip | | | 1801 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | |  Robertson, Jim | | | 1605 | SCO | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Siddall, Dave | | | 1781 | ENG | 0.00 | 1 | -0.36 | 20 | -7.20 | | | McMillan, Andrew | | | 1367 | SCO | 0.50 | 1 | -0.36 | 20 | -7.20 | |
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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