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Individual Calculations February 2023 |
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| Achuthan, Dylan Total change: 30.40 | |   |
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| Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 2081 | 4.00 | 9 | 0.52 | 38 | 19.76 | |
|  Elgersma, Onno | f | | 2291 | NED | 0.00 | 1 | -0.23 | 38 | -8.74 | |  Pham, Khoi | f | | 2344 | NED | 0.50 | 1 | 0.32 | 38 | 12.16 | | | Mitchell, Martin | | | 2193 | SCO | 0.50 | 1 | 0.15 | 38 | 5.70 | | | Tabak, Stefan | f | | 2129 | NED | 0.50 | 1 | 0.07 | 38 | 2.66 | | | Zheng, Harry Z | | | 2088 | ENG | 0.50 | 1 | 0.01 | 38 | 0.38 | | | De Jong, Migchiel | m | | 2336 | NED | 0.50 | 1 | 0.31 | 38 | 11.78 | | | Westerlaan, Sander | | | 1954 | NED | 0.50 | 1 | -0.17 | 38 | -6.46 | | | Spit, Vincent | | | 2059 | NED | 0.50 | 1 | -0.03 | 38 | -1.14 | | | Shakhverdian, William | | | 2143 | NED | 0.50 | 1 | 0.09 | 38 | 3.42 | |
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) | | | | Zilveren Toren 2023 Reeks 1 Ronde 1 | Various places | BEL | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2099 | 0.50 | 1 | -0.17 | 38 | -6.46 | |
| | Van Hove, Paolo | | | 1971 | BEL | 0.50 | 1 | -0.17 | 38 | -6.46 | |
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) | | | | Tata Steel Tienkampen 2023 | Wijk aan Zee | NED | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 2099 | 4.50 | 8 | 0.45 | 38 | 17.10 | |
| | Wijnberg, Arjan | | | 2113 | NED | 0.00 | 1 | -0.48 | 38 | -18.24 | | | Heldenbergh, Nils | | | 2117 | BEL | 0.50 | 1 | 0.03 | 38 | 1.14 | | | Galje, Hans | | | 1999 | NED | 0.50 | 1 | -0.14 | 38 | -5.32 | | | Manoch, Maurice | | | 2083 | NED | 1.00 | 1 | 0.48 | 38 | 18.24 | | | Boekelman, Jan | | | 2131 | NED | 0.00 | 1 | -0.46 | 38 | -17.48 | | | Van Den Berg, Bram | | | 2161 | NED | 1.00 | 1 | 0.59 | 38 | 22.42 | | | Coenen, Eduard | | | 2011 | NED | 0.50 | 1 | -0.12 | 38 | -4.56 | | | Bus, Tom | | | 2137 | NED | 1.00 | 1 | 0.55 | 38 | 20.90 | |
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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