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Individual Calculations February 2020 |
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| Kokje, Joris Total change: 40.00 | |   |
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| Chessfestival Groningen 2019 - Open A | Groningen | NED | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2327 | 2222 | 4.50 | 9 | 1.12 | 20 | 22.40 | |
|  Tiviakov, Sergei | g | | 2615 | NED | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Van Randtwijk, Mick | | | 2047 | NED | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Maatman, Nick | m | | 2400 | NED | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Ulybin, Mikhail | g | | 2453 | RUS | 0.00 | 1 | -0.21 | 20 | -4.20 | | | De Jong, Migchiel | m | | 2326 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Krasenkova, Ilena | | wm | 2174 | RUS | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Hilverda, Alexander | | | 2294 | GER | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Wedda, Dries | | | 2209 | NED | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Pacher, Milan | g | | 2427 | SVK | 0.00 | 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) | | | | Tata Steel Weekendvierkampen 2020 | Wijk aan Zee | NED | 2020-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 2225 | 3.00 | 3 | 0.94 | 20 | 18.80 | |
| | Hoogenes, Eric | | | 1990 | NED | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Tabak, Stefan | f | | 2166 | NED | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Buikstra, Arjon | | | 2081 | NED | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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) | | | | Belgian Interclubs 2019-2020 Round 6 | Various | BEL | 2020-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 2225 | 0.50 | 1 | -0.06 | 20 | -1.20 | |
| | Mesman, Edwyn | | | 2179 | NED | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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) | | |
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