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Individual Calculations October 2012 |
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| Ritsema, Ronald Total change: 11.25 | |   |
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| BDO Chess Tournament 2012 - Open | Haarlem | NED | 2012-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2080 | 2047 | 5.00 | 8 | 1.29 | 15 | 19.35 | |
|  Hopman, Pieter | | | 2310 | NED | 0.50 | 1 | 0.32 | 15 | 4.80 | |  Schoehuijs, Erik | | | 2122 | NED | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Ory, Jean Paul | | | 1993 | NED | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Haver, Daan | | | 1977 | NED | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Arp, Frans | | | 2091 | NED | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Cornelisse, Ticho | | | 1953 | NED | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Van Der Lende, Nathalie | | | 1952 | NED | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Kohler, Aran | f | | 2239 | NED | 1.00 | 1 | 0.75 | 15 | 11.25 | |
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 12-13 - 3D - round 1 | various | NED | 2012-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 2047 | 0.00 | 1 | -0.54 | 15 | -8.10 | |
| | Pelter, Yehuda | | | 2019 | NED | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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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