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Individual Calculations March 2020 |
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| Ignatov, Bojidar Total change: -19.80 | |   |
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| Sofia Individual Chess Championship for Women and Men 2020 | Sofia | BUL | 2020-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1734 | 2.00 | 6 | -1.43 | 20 | -28.60 | |
|  Vasilev, Nikolai | f | | 2134 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Popzafirov, Danail | | | 1470 | BUL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Dragiev, Drago | | | 1827 | BUL | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Lozanov, Svetoslav | | | 1864 | BUL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Timev, Aleksandar | | | 1334 * | BUL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Yordanov, Ivaylo | | | 1334 * | BUL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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) | | | | XIVth Chess Weekend tournament | Sofia | BUL | 2020-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1638 | 1721 | 4.00 | 6 | 0.44 | 20 | 8.80 | |
| | Arshinkova, Boryana | | | 1386 | BUL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Gelemerov, Yane | | | 1914 | BUL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Stoykov, Jordan | | | 1433 | BUL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Petkov, Plamen | | | 1704 | BUL | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Kostov, Nikolay | | | 1595 | BUL | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Tulliez, Andre | | | 1797 | FRA | 1.00 | 1 | 0.60 | 20 | 12.00 | |
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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