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Individual Calculations July 2023 |
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| Bochev, Krasimir Total change: -10.80 | |   |
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| Ropotamo cup U2400 | Primorsko | BUL | 2023-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1840 | 1963 | 4.00 | 8 | -1.06 | 20 | -21.20 | |
|  Apostolov, Valentin | | | 1563 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Georgiev, Biser | | | 2233 | BUL | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Glavchev, Stanislav | | | 2059 | BUL | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Georgiev, Krum | g | | 2306 | BUL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Botev, Stoyko | | | 1617 | BUL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Nenova, Andzhelika | | | 1627 | BUL | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Hristova, Ivelina | | | 1691 | BUL | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Dragiev, Drago | | | 1622 | BUL | 0.00 | 1 | -0.88 | 20 | -17.60 | | | * 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) | | | | Bulgarian National Championship S50 | Primorsko | BUL | 2023-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 1963 | 1.50 | 3 | 0.52 | 20 | 10.40 | |
| | Mladenov, Emil | | | 2009 | BUL | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Marholev, Dimitar | m | | 2154 | BUL | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Kulinchev, Georgi | | | 2118 | BUL | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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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