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Individual Calculations May 2023 |
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| Badacsonyi, Stanley Total change: 1.65 | |   |
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| London Chess League Weekend Congress (31 March) - Open | London W6 | ENG | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1886 | 1952 | 4.00 | 5 | 1.16 | 33 | 38.28 | |
|  Siddhartha, Shankar Srivastava | | | 1552 * | IND | 1.00 | 1 | 0.08 | 33 | 2.64 | |  Lau, Lut Yin Luke | | | 2030 | HKG | 0.50 | 1 | 0.11 | 33 | 3.63 | | | Villiers, Thomas | c | | 2185 | ENG | 0.50 | 1 | 0.29 | 33 | 9.57 | | | Abhyuday, Santhosh | | | 1752 | IND | 1.00 | 1 | 0.24 | 33 | 7.92 | | | Rogers, Tim L | | | 1911 | ENG | 1.00 | 1 | 0.44 | 33 | 14.52 | | | * 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) | | | | 65th Southend Easter Congress - Open | Southend-on-Sea | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1912 | 3.50 | 7 | 0.42 | 33 | 13.86 | |
| | Raikundalia, Krishna | | | 1512 * | ENG | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Finn, Peter | | | 2139 | ENG | 0.50 | 1 | 0.29 | 33 | 9.57 | | | Badacsonyi, Frankie | | | 2006 | ENG | 0.50 | 1 | 0.13 | 33 | 4.29 | | | Stoica, Savas Marin | | | 2065 | ENG | 0.00 | 1 | -0.30 | 33 | -9.90 | | | Pranava, Ravikumar | | | 1791 | IND | 1.00 | 1 | 0.34 | 33 | 11.22 | | | Shafi, Declan | | | 2177 | SCO | 0.00 | 1 | -0.18 | 33 | -5.94 | | | Ismailov, Roman | | | 1952 | LTU | 0.50 | 1 | 0.06 | 33 | 1.98 | | | * 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) | | | | 2023 World School Chess Championships - open U15 | Rhodes | GRE | 2023-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1912 | 4.50 | 9 | -1.53 | 33 | -50.49 | |
| | Usman, Mark Gabriel | | | 1512 * | PHI | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Raczek, Krzysztof | | | 2142 | POL | 0.50 | 1 | 0.29 | 33 | 9.57 | | | Hartofylakas, Spyros | | | 1992 | GRE | 0.00 | 1 | -0.39 | 33 | -12.87 | | | Han, Johnathan | f | | 2184 | CAN | 0.00 | 1 | -0.17 | 33 | -5.61 | | | Tandeka, Shiloh | | | 1707 | UGA | 1.00 | 1 | 0.24 | 33 | 7.92 | | | Bozkurt, Suleyman Safa | | | 1496 | TUR | 0.50 | 1 | -0.43 | 33 | -14.19 | | | Baitleu, Syrym | | | 1642 | KAZ | 0.00 | 1 | -0.83 | 33 | -27.39 | | | Rashed Abubaker, Alhemeiri | | | 1449 | UAE | 1.00 | 1 | 0.05 | 33 | 1.65 | | | Beketov, Timur | | | 1590 | KAZ | 0.50 | 1 | -0.37 | 33 | -12.21 | | | * 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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