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Individual Calculations July 2023 |
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| Parvanov, Mitko Total change: 2.00 | |   |
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| Ropotamo cup U1800 | Primorsko | BUL | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1759 | 5.00 | 7 | -0.19 | 20 | -3.80 | |
|  Ivanov, Galin | | | 1393 | BUL | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Kostenchuk, Oleksandra | | | 1568 | UKR | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Nenova, Andzhelika | | | 1627 | BUL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Grebeniuc, Alexandra | | | 1579 | MDA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Tonev, Slavcho | | | 1524 | BUL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Basova, Yuliya | | | 1607 | UKR | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Kovachev, Ivan | | | 1663 | BUL | 1.00 | 1 | 0.37 | 20 | 7.40 | |
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 S65 | Primorsko | BUL | 2023-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1759 | 2.50 | 3 | 0.29 | 20 | 5.80 | |
| | Simeonov, Svetoslav | | | 1668 | BUL | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Doykov, Stoycho | | | 1564 | BUL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Merdzhanov, Vladko | | | 1470 | BUL | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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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