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Individual Calculations June 2013 |
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| Othman, Mustapha Total change: -16.95 | |   |
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| UK Chess Academy Easter 2013 Congress U2000 | London | ENG | 2013-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1767 | 1840 | 1.00 | 2 | -0.15 | 15 | -2.25 | |
|  Balouka Myers, Reuben | | | 1550 | ENG | 1.00 | 1 | 0.16 | 15 | 2.40 | |  Hjort, Helge | | | 1984 | DEN | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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) | | | | World Amateur Chess Championship 2013 | Iasi | ROU | 2013-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 1877 | 4.00 | 8 | -0.35 | 15 | -5.25 | |
| | Lupascu, Diana-Elena | | | 1477 * | ROU | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Liberman, Alexander | | | 1999 | RUS | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Sonfalean, Maria-Laura | | | 1593 | ROU | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Villar, Juan | | | 1989 | PER | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Grancea, Valentin-Gheorghe | | | 1674 | ROU | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Moudallal, Tarek | | | 1984 | LIB | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Scripcaru, George-Daniel | | | 1970 | ROU | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Adam, Andrea | | | 1927 | ROU | 0.00 | 1 | -0.43 | 15 | -6.45 | | | * 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) | | | | e2e4 Sunningdale U2050 May 2013 | Sunningdale | ENG | 2013-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1810 | 1893 | 3.00 | 6 | -0.63 | 15 | -9.45 | |
| | Mallon, Gunnar | | | 1627 | ENG | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Grieve, Harry | | | 1672 | ENG | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Stimpson, Philip M | | | 2048 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Kane, Robert | | | 1846 | ENG | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Batchelor, Guy J | | | 1829 | ENG | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Dunlop, Neil J | | | 1838 | ENG | 1.00 | 1 | 0.42 | 15 | 6.30 | |
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) | | |
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