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Rapid:
Individual Calculations December 2023 |
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| Ivanova, Darina Total change: -63.60 | |   |
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| II Struma Open 2023 | Pernik | BUL | 2023-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1647 | 1173 | 0.00 | 3 | -0.23 | 40 | -9.20 | |
|  Zlatanova, Emilia | | wm | 1877 | BUL | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Mirovanski, Vasil | | | 1609 | BUL | 0.00 | 1 | -0.06 | 40 | -2.40 | |  Markov, Svetlin | | | 1456 | BUL | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | Chess Hopes U10 October 2023 | Sofia | BUL | 2023-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1181 | 1173 | 2.00 | 6 | -0.94 | 40 | -37.60 | |
| | Kochev, Kristiyan | | | 1020 | BUL | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Krastev, Hanko | | | 1380 | BUL | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Iliev, Stoyan | | | 1320 | BUL | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Ivanova, Gabriela | | | 1074 | BUL | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Malchev, Nikola | | | 1186 | BUL | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Tsvetanov, Simeon | | | 1107 | BUL | 1.00 | 1 | 0.41 | 40 | 16.40 | |
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 Women Individual Rapid Chess Championship2023 Sofia, 18.11.2023 | Sofia | BUL | 2023-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1173 | 0.50 | 3 | -0.42 | 40 | -16.80 | |
| | Ilieva, Ralitsa | | | 1615 | BUL | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Krasteva, Yoana | | | 1390 | BUL | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Ivanova, Gabriela | | | 1074 | BUL | 0.50 | 1 | -0.14 | 40 | -5.60 | |
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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