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Individual Calculations December 2017 |
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| Van Den Bersselaar, Jeroen Total change: -18.80 | |   |
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| Dutch Team Competition 2017-2018 2D Round 3 | Various | NED | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2189 | 0.50 | 1 | -0.01 | 20 | -0.20 | |
|  Burg, Brent | | | 2182 | NED | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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) | | | | World Senior Championship 2017 over 50 | Acqui Terme | ITA | 2017-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2189 | 5.50 | 11 | -1.03 | 20 | -20.60 | |
| | Schneider, Waldemar | | | 1789 * | GER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jhunjhnuwala, Krishan | f | | 2340 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Franchi, Giuseppe | | | 1789 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Welling, Gerard | m | | 2316 | NED | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Mantovani, Renzo | m | | 2307 | ITA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Baldizzone, Mario | | | 2098 | ITA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Astengo, Marcello | | | 1997 | ITA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Buchal, Stephan | f | | 2347 | GER | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Brongers, Henk | | | 2022 | FRA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Khomeriki, Giorgi | | | 2125 | GEO | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Melkeraen, Terje | | | 1996 | NOR | 1.00 | 1 | 0.25 | 20 | 5.00 | | | * 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) | | | | Dutch Team Competition 2017-2018 2D Round 4 | Various | NED | 2017-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2258 | 2189 | 0.50 | 1 | 0.10 | 20 | 2.00 | |
| | Caessens, Rob | f | | 2258 | NED | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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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