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Individual Calculations May 2023 |
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| Safarian, Alek Total change: -29.20 | |   |
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| 2023 O2C Doeberl Cup Premier | Canberra | AUS | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 1961 | 2.00 | 8 | -1.43 | 20 | -28.60 | |
|  Ikeda, Junta | m | | 2417 | AUS | 0.00 | 1 | -0.06 | 20 | -1.20 | |  Asaka, Samuel | | | 2235 | AUS | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Shen, Zhiyuan | | | 1921 | CHN | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Castor, David | c | | 2070 | AUS | 0.00 | 1 | -0.35 | 20 | -7.00 | | | O Carroll, Jeremy | | | 2002 | AUS | 0.00 | 1 | -0.44 | 20 | -8.80 | | | O`mahoney, Keegan | | | 1908 | IRL | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Siva Sankaran, Anup Kumar | | | 1817 | AUS | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Liu, William Rui | | | 1898 | NZL | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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) | | | | Central London Chess Congress April 2023 - Open | London | ENG | 2023-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1961 | 3.00 | 5 | -0.03 | 20 | -0.60 | |
| | Gunawardana, Thivan Manamperi | | | 1561 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Brackmann, Hendrik | | | 2076 | GER | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Chapman, Terry P D | f | | 2210 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Todd, Jamie | | | 1654 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Omelchenko, Ivan | | | 1798 | UKR | 1.00 | 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) | | |
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