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Individual Calculations January 2020 |
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| Kolev, Lachezar Total change: 26.80 | |   |
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| XII Chess Weekend | Sofia | BUL | 2019-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1994 | 4.00 | 5 | 0.67 | 40 | 26.80 | |
|  Ivanov, Oleg | | | 1594 * | BUL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Tulliez, Andre | | | 1771 | FRA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Todev, Simeon | c | | 1956 | BUL | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Kolev, Nikola | | | 1898 | BUL | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Todorov, Tsetsko | | | 2032 | BUL | 0.50 | 1 | 0.05 | 40 | 2.00 | | | * 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) | | |
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