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Individual Calculations July 2009 |
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| Walker, Duncan Total change: -23.15 | |   |
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| Scottish National League | Dunfermline, Scotland | SCO | 2008-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 2016 | 1.50 | 4 | -0.36 | 25 | -9.00 | |
|  Pyrich, George D | | | 2063 | SCO | 0.50 | 1 | 0.07 | 25 | 1.75 | |  Dawson, Alistair G | | | 1910 | SCO | 1.00 | 1 | 0.36 | 25 | 9.00 | | | Constantinou, Peter | | | 2230 | ENG | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Macqueen, Calum | | | 1973 | SCO | 0.00 | 1 | -0.56 | 25 | -14.00 | |
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) | | | | Edinburgh Premier | Edinburgh | SCO | 2009-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 2016 | 1.50 | 3 | 0.01 | 25 | 0.25 | |
| | McBride, John | | | 1803 | SCO | 1.00 | 1 | 0.23 | 25 | 5.75 | | | Berry, Neil M | f | | 2319 | SCO | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Ferry, Edward | | | 1962 | SCO | 0.50 | 1 | -0.08 | 25 | -2.00 | |
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) | | | NOTE: K factor changed | | East of Scotland Championship | Grangemouth | SCO | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2016 | 0.50 | 3 | -0.96 | 15 | -14.40 | |
| | McBride, John | | | 1803 | SCO | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Neave, George | | | 2087 | SCO | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Spencer, Edwin A | | | 2171 | SCO | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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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