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Individual Calculations February 2018 |
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| Kokje, Joris Total change: -18.60 | |   |
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| Chess Festival Groningen 2017 - Open A | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2264 | 2282 | 4.50 | 9 | -0.21 | 40 | -8.40 | |
|  Van Randtwijk, Mick | | | 2011 | NED | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Ernst, Sipke | g | | 2532 | NED | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Taal, Rieks | | | 2088 | NED | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Henseler, Jorgen | | | 2051 | NED | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Kislinsky, Alexey | g | | 2513 | CZE | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Weggen, Jeroen | | | 2126 | NED | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Pappelis, Dimitrios | | | 2114 | GRE | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Zelbel, Patrick | m | | 2456 | GER | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Van Foreest, Lucas | m | | 2481 | NED | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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 | | Tata Steel Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2187 | 2314 | 1.50 | 3 | -0.51 | 20 | -10.20 | |
| | Tikranian, Alik | | | 2257 | NED | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Brouwer, Dennis | | | 2206 | NED | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Blom, Martijn | | | 2097 | NED | 0.50 | 1 | -0.28 | 20 | -5.60 | |
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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