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Individual Calculations June 2023 |
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| Zaibi, Amir Total change: -21.30 | |   |
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| AFRICAN INDIVIDUAL CHESS CHAMPIONSHIP OPEN 2023 | Giza | EGY | 2023-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2209 | 2393 | 5.50 | 9 | -1.05 | 10 | -10.50 | |
|  Ezat, Abdallah | | | 2111 | EGY | 0.50 | 1 | -0.34 | 10 | -3.40 | |  Rahman, Yehya | m | | 2064 | EGY | 0.50 | 1 | -0.38 | 10 | -3.80 | | | Abdel Moniem, Mohamed | | | 2147 | EGY | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Ahmed, Abuzied | c | | 2236 | SUD | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Kaoma, Micheal | | | 2187 | ZAM | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Amin, Ashraf | f | | 2165 | EGY | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Oragwu, Chukwunonso | f | | 2206 | NGR | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Fadi, Marko | f | | 2272 | EGY | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Fawzy, Adham | g | | 2495 | EGY | 0.00 | 1 | -0.36 | 10 | -3.60 | |
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) | | | | 3rd Sharjah Challenger 2023 | Sharjah | UAE | 2023-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2254 | 2393 | 5.00 | 9 | -1.08 | 10 | -10.80 | |
| | Dr., Murtaza Ali | c | | 2145 | PAK | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Bogdanov, Artyom | | | 2221 | KAZ | 0.50 | 1 | -0.23 | 10 | -2.30 | | | George Micheal, Kevin | f | | 2149 | EGY | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Suleimanova, Ava | | wg | 2140 | UKR | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Tulendinov, Dinmukhammed | c | | 2164 | KAZ | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Liyanage, Ranindu Dilshan | f | | 2342 | SRI | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Begmuratov, Khumoyun | f | | 2387 | UZB | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Sivuk, Vitaly | g | | 2489 | SWE | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Koniahli, Malek. | f | | 2248 | SYR | 0.50 | 1 | -0.19 | 10 | -1.90 | |
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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