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Individual Calculations January 2011 |
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| Roberts, Marcel Total change: -9.40 | |   |
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| World Youth Chess Championships 2010 - Open under 14 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 1834 | 2.00 | 8 | -0.28 | 25 | -7.00 | |
|  Izzat, Kanan Azar Oglu | | | 2138 | AZE | 1.00 | 1 | 0.86 | 25 | 21.50 | |  Flermoen, Peter | | | 2154 | NOR | 0.50 | 1 | 0.37 | 25 | 9.25 | | | Wagner, Dennis | | | 2166 | GER | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Dunaveckis, Deniss | | | 2020 | LAT | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Dastan, Batuhan | | | 2087 | TUR | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Ayush, Jugele | | | 1899 | IND | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Filatov, Semen | | | 1629 | RUS | 0.50 | 1 | -0.26 | 25 | -6.50 | | | Papadopoulos, Panayotis | | | 2007 | GRE | 0.00 | 1 | -0.27 | 25 | -6.75 | |
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) | | | NOTE: K factor changed | | World Youth U-16 Chess Olympiad 2010 | Burdur | TUR | 2010-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1834 | 1.50 | 5 | -0.16 | 15 | -2.40 | |
| | Ulyanovskyy, Vladimir Viktorovic | | | 2027 | POR | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Archer-Lock, Adrian | | | 1866 | ENG | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Tsarouha, Marianthi | | | 1771 | GRE | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Jorayewa, Govher | | wf | 2064 | TKM | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Iyti, Basher | | | 2125 | SYR | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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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