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Individual Calculations January 2011 |
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| Todorov, Yavor Total change: -24.45 | |   |
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| World Youth Chess Championships 2010 - Open under 12 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1976 | 3.50 | 8 | -0.51 | 15 | -7.65 | |
|  Mohammad, Nubairshah Shaikh | | | 2071 | IND | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Donchenko, Alexander | | | 2204 | GER | 0.00 | 1 | -0.21 | 15 | -3.15 | |  Pavcevic, Bruno | | | 1796 | CRO | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Ghvamberia, Nika | | | 1752 | GEO | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Arsic, Djordje | | | 1856 | SRB | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Schroeder, Jan-Christian | | | 2108 | GER | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Maslov, Ivan | | | 1880 | RUS | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Sidhant, Mohapatra | | | 2125 | IND | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | Team Ch boys U16 | Borovets | BUL | 2010-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1817 | 2004 | 2.50 | 5 | -1.12 | 15 | -16.80 | |
| | Atanasov, Viktor Atanasov | | | 1799 | BUL | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Stefanov, Boris | | | 1680 | BUL | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Karadaliev, Daniel | | | 1884 | BUL | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Atanasov, Anatoli | | | 2021 | BUL | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Yordanov, Hristo | | | 1702 | BUL | 1.00 | 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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