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Individual Calculations September 2022 |
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| Dukic, Zachary Total change: -34.80 | |   |
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| 52nd annual Continental Open Master | Sturbridge, MA | USA | 2022-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2234 | 5.50 | 9 | -0.34 | 20 | -6.80 | |
|  Markzon, Gregory | f | | 1991 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Wang, Kevin | m | | 2391 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Webster, Dex | | | 2092 | USA | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Weisz, Bryan A | | | 1913 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Zhurbinsky, David | c | | 1996 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Barash, Anton | | | 2080 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Han, Johnathan | | | 2008 | CAN | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Hu, Merric | | | 2021 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Zhou, Jianchao | g | | 2576 | CHN | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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) | | | | 9th Annual Washington International - Championship | Rockville, Maryland | USA | 2022-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2217 | 2253 | 4.50 | 9 | -0.42 | 20 | -8.40 | |
| | Khanin, Semen | m | | 2554 | RUS | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Samuelson, Andrew | f | | 2111 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Wang, Kevin | m | | 2395 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Reiss, Aiden | | | 2057 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Fishbein, Alexander | g | | 2405 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Bisiriyu-Salam, Oluwaseun | | | 2021 | NGR | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Feliachi, Nabil | | | 2010 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Chen, Ryo | f | | 2286 | USA | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Girsh, Daniel | | | 2118 | USA | 1.00 | 1 | 0.32 | 20 | 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) | | | | 2022 MN International Chess Festival - Open | Bloomington, MN | USA | 2022-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2250 | 2253 | 3.00 | 8 | -0.98 | 20 | -19.60 | |
| | Gangavarapu, Sreekar | | | 1853 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Barbosa, Oliver | g | | 2510 | PHI | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Jacobson, Brandon | g | | 2548 | USA | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Dragun, Kamil | g | | 2555 | POL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Jacobson, Aaron | f | | 2350 | USA | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Mc Entee, Tim | | | 1948 | USA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Wasiluk, Kevin | f | | 2213 | USA | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Iwu, Okechukwu Anele Nnej | | | 2020 | USA | 0.00 | 1 | -0.79 | 20 | -15.80 | | | * 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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