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Individual Calculations June 2013 |
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| Woolcock, Craig Total change: 12.30 | |   |
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| Welsh Chess Premier League Round 6-7 | various | WLS | 2013-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 1898 | 1.00 | 1 | 0.56 | 30 | 16.80 | |
|  May, Adam J | | | 1943 | WLS | 1.00 | 1 | 0.56 | 30 | 16.80 | |
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) | | | | e2e4 Solihull U1950 April 2013 | Birmingham | ENG | 2013-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1734 | 1898 | 3.00 | 5 | -0.51 | 30 | -15.30 | |
|  Probert, Malcolm | | | 1696 | WLS | 1.00 | 1 | 0.24 | 30 | 7.20 | | | Jazdzewski, Daniel | | | 1803 | ENG | 0.00 | 1 | -0.63 | 30 | -18.90 | | | Mumford, Robert | | | 1557 | ENG | 1.00 | 1 | 0.12 | 30 | 3.60 | | | Jacob, Sydney J | | | 1900 | ENG | 1.00 | 1 | 0.50 | 30 | 15.00 | | | Collins, Andrew | | | 1712 | ENG | 0.00 | 1 | -0.74 | 30 | -22.20 | |
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) | | | | e2e4 Nottingham U1900 May 2013 | Nottingham | ENG | 2013-05-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1614 | 1881 | 2.00 | 2 | 0.35 | 30 | 10.50 | |
| | Minor, Harry | | | 1665 | ENG | 1.00 | 1 | 0.22 | 30 | 6.60 | | | Lavelle, Terry | | | 1562 | ENG | 1.00 | 1 | 0.13 | 30 | 3.90 | |
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) | | | | e2e4 Sunningdale U2050 May 2013 | Sunningdale | ENG | 2013-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1881 | 3.00 | 6 | 0.01 | 30 | 0.30 | |
| | Subramaniam, Mani | | | 1481 * | IND | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Bennett, Dominic L | | | 2016 | ENG | 1.00 | 1 | 0.68 | 30 | 20.40 | | | Burke, Mitchell R | | | 1966 | ENG | 0.50 | 1 | 0.12 | 30 | 3.60 | | | De Coverly, Roger D | | | 2019 | ENG | 0.00 | 1 | -0.31 | 30 | -9.30 | | | Canonne, Antoine | | | 1998 | FRA | 0.50 | 1 | 0.16 | 30 | 4.80 | | | Peck, Silas | | | 1713 | ENG | 0.00 | 1 | -0.72 | 30 | -21.60 | | | * 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) | | |
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