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Individual Calculations May 2013 |
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| Jones, Richard S Total change: 19.65 | |   |
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| Welsh Championship 2013 | Cardiff | WLS | 2013-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 2399 | 6.50 | 7 | 1.07 | 15 | 16.05 | |
|  Fathallah, Joe | | | 1999 * | WLS | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Brown, Thomas | | | 2091 | WLS | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Rees, Ioan | f | | 2248 | WLS | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Kett, Tim | | | 2220 | WLS | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Strugnell, Carl | f | | 2301 | FRA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Sands, David A | | | 2235 | WLS | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Hewitt, William | | | 2074 | WLS | 1.00 | 1 | 0.13 | 15 | 1.95 | | | * 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) | | | NOTE: K factor changed | | Edinburgh Premier 2013 | Edinburgh | SCO | 2013-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2205 | 2401 | 4.00 | 5 | 0.36 | 10 | 3.60 | |
| | Wolferink, Frans | | | 2085 | NED | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Orr, Mark J L | m | | 2240 | IRL | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Macqueen, Calum | | | 2236 | SCO | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Ziska, Helgi Dam | m | | 2459 | FAI | 0.00 | 1 | -0.42 | 10 | -4.20 | | | O`Neil, Jim | | | 2007 | SCO | 1.00 | 1 | 0.08 | 10 | 0.80 | |
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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