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Individual Calculations September 2011 |
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| Waterfield, John W Total change: 15.60 | |   |
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| Yeovil Open | Yeovil | ENG | 2011-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2009 | 0.50 | 3 | -0.53 | 15 | -7.95 | |
|  Cooksey, Paul S | f | | 2264 | ENG | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Jenks, Chris B | | | 2123 | ENG | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Bartlett, Simon | | | 2008 | ENG | 0.50 | 1 | 0.00 | 15 | 0.00 | |
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) | | | | 8th South Wales International Open | Penarth | WLS | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 1992 | 4.50 | 8 | 1.87 | 15 | 28.05 | |
| | Kett, Tim | | | 2206 | WLS | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Rudd, Jack | m | | 2278 | ENG | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Jones, Jeremy | | | 1593 | WLS | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Brown, Martin | | | 2130 | ENG | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Wells, Peter K | g | | 2392 * | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Schmitz, Andreas Arnold | c | | 2052 | GER | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Eggleston, David J | f | | 2318 | ENG | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Brown, Thomas | | | 2080 | WLS | 0.50 | 1 | 0.12 | 15 | 1.80 | | | * 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) | | | | British Championship 2011 | Sheffield | ENG | 2011-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1992 | 3.00 | 11 | -0.30 | 15 | -4.50 | |
| | Jaunooby, Ali R | | | 2130 | ENG | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Macqueen, Calum | | | 2139 | SCO | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Ledger, Dave J | f | | 2277 | ENG | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Khandelwal, Ankush | | | 2211 | ENG | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Jackson, James P | | | 2157 | ENG | 0.00 | 1 | -0.28 | 15 | -4.20 | | | French, Angus J | | | 2103 | ENG | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Jones, William E G | | | 2121 | ENG | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Dargan, Paul A G | | | 2151 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Salimbeni, George P W | | | 2150 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Weaving, Richard | | | 2070 | ENG | 0.00 | 1 | -0.39 | 15 | -5.85 | | | De Coverly, Roger D | | | 2081 | ENG | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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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