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Rapid:
Individual Calculations January 2020 |
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| Ivanov, Lachezar Total change: 26.20 | |   |
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| International Chess Festival FORCE 64 - U14 | Sofia | BUL | 2019-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1280 | 1019 | 2.50 | 6 | 1.36 | 20 | 27.20 | |
|  Manov, Iliyan | | | 1338 | BUL | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Todorova, Dobrinka | | | 1239 | BUL | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Karaivanova, Petya | | | 1419 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sotirov, Adrian | | | 1161 | BUL | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Mladenov, Hristo | | | 1284 | BUL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Tsvetanov, Teodor | | | 1236 | BUL | 0.50 | 1 | 0.28 | 20 | 5.60 | | | * 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) | | | | 5th Tournament for Children EURO Sofia | Sofia | BUL | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1253 | 1019 | 1.00 | 5 | -0.05 | 20 | -1.00 | |
| | Hristov, Ivan | | | 1289 | BUL | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Trendafilov, Plamen | | | 1247 | BUL | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Arshinkova, Boryana | | | 1325 | BUL | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Tsolov, Aleksandar | | | 1221 | BUL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Petkova, Irina | | | 1181 | BUL | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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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