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Individual Calculations February 2023 |
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| Levitan, Ronit Total change: 117.20 | |   |
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| Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 1972 | 4.50 | 9 | 2.81 | 40 | 112.40 | |
|  Brouwer, Tim | | | 2169 | NED | 0.50 | 1 | 0.25 | 40 | 10.00 | |  Mitchell, Martin | | | 2193 | SCO | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Kovchan, Alexander | g | | 2450 | UKR | 0.00 | 1 | -0.05 | 40 | -2.00 | | | De Jong, Migchiel | m | | 2336 | NED | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Elgersma, Onno | f | | 2291 | NED | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Grutter, Tim | f | | 2363 | NED | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Matsumura, Cocoro | | | 2133 | FRA | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Van Der Hagen, Loek | | | 2145 | NED | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Tabak, Stefan | f | | 2129 | NED | 1.00 | 1 | 0.71 | 40 | 28.40 | |
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) | | | NOTE: K factor changed | | Israeli Arzit League Zafon 2023 1-2 | Israel | ISR | 2023-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2249 | 2064 | 0.50 | 1 | 0.24 | 20 | 4.80 | |
| | Sherman, Reem | | | 2249 | ISR | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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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