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Individual Calculations July 2012 |
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| Zhou, Yang-Jian Total change: 10.35 | |   |
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| Coulsdon Winter CC - Division 2b | Coulsdon | ENG | 2011-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1606 | 5.00 | 7 | 1.37 | 15 | 20.55 | |
|  Morse, Gordon E | | | 1551 | ENG | 0.50 | 1 | -0.08 | 15 | -1.20 | |  Gold, Harry | | | 1570 | ENG | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Kalaiyalahan, Akshaya | | | 1683 | ENG | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Miles, Barry S | | | 1633 | ENG | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Warner, Dominic W J | | | 1557 | ENG | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Selby, Keith | | | 1540 | ENG | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Boztas, Lana | | | 1613 | ENG | 1.00 | 1 | 0.51 | 15 | 7.65 | |
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) | | | | 4NCL | Various | ENG | 2011-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 1606 | 0.00 | 4 | -0.37 | 15 | -5.55 | |
| | Millward, Kevin P | | | 1972 | ENG | 0.00 | 1 | -0.10 | 15 | -1.50 | | | De Coverly, Roger D | | | 2006 * | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Higgs, Anthony Rj | | | 1987 | ENG | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Thompson, Robert | | | 1965 | ENG | 0.00 | 1 | -0.10 | 15 | -1.50 | | | * 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) | | | | World School Chess Championship - Open U13 | Iasi | ROU | 2012-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 1604 | 1.00 | 2 | 0.64 | 15 | 9.60 | |
| | Costachi, Mihnea | | | 1976 | ROU | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Abdullah, Al Hamed | | | 1787 | UAE | 1.00 | 1 | 0.74 | 15 | 11.10 | |
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 London Diamond Jubilee Congress Challengers | London | ENG | 2012-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1817 | 1609 | 0.00 | 4 | -0.95 | 15 | -14.25 | |
| | Orishko, Ostap | | | 1914 | UKR | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Head, Louise | | | 1760 | ENG | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Kourtseva, Julie | | | 1784 | ENG | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Cork , Dave | | | 1811 | ENG | 0.00 | 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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