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Individual Calculations April 2009 |
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| Poobalasingam, Peter S Total change: 14.85 | |   |
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| Coulsdon Christmas Challengers | Coulsdon | ENG | 2008-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2235 | 5.00 | 7 | 0.03 | 15 | 0.45 | |
|  Gliddon, Daniel | | | 1885 | ENG | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Rudd, Jack | f | | 2344 | ENG | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Fields, Francis E | | | 1943 | ENG | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Mayhew, Andrew | | | 2015 | ENG | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Seymour, Timothy P | | | 2040 | ENG | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Tavoularis, Nicholas | | | 2140 | GRE | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Bailey, Kevin J | | | 2071 | ENG | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | Hastings Masters | Hastings | ENG | 2008-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2321 | 2235 | 4.50 | 8 | 1.37 | 15 | 20.55 | |
| | Ansell, Simon T | m | | 2409 | ENG | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Flear, Christine | | wm | 2092 | FRA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Williams, Simon K | g | | 2494 | ENG | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Norinkeviciute, Rasa | | wf | 2005 | LTU | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Hebden, Mark L | g | | 2515 | ENG | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Cherniaev, Alexander | g | | 2438 | RUS | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Capo Vidal, Uriel | m | | 2339 | MEX | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Zhou, Yang-Fan | | | 2276 | ENG | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | | | Uxbridge Open | Uxbridge | ENG | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 2225 | 2.50 | 4 | -0.41 | 15 | -6.15 | |
| | De Coverly, Roger D | | | 2077 | ENG | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Doci, Stefan | | | 2052 | SVK | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Cutmore, Martin J | | | 2056 | ENG | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Cutmore, David A | | | 2025 | ENG | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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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