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Individual Calculations July 2009 |
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| Pietrow, Andrzej Total change: 31.05 | |   |
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| 3F - r 6-9 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2093 | 1.50 | 2 | 0.78 | 15 | 11.70 | |
|  Kuijpers, Peter | | | 2109 | NED | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Freeke, Matthieu | | | 2292 | NED | 0.50 | 1 | 0.26 | 15 | 3.90 | |
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) | | | | BSG Pinkstertoernooi | Bussum | NED | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2082 | 3.50 | 6 | 1.29 | 15 | 19.35 | |
|  Wiersma, Eelke | m | | 2406 | NED | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Borst, Filip | | | 2019 | NED | 1.00 | 1 | 0.41 | 15 | 6.15 | | | De Groote, Ewoud | | | 2191 | NED | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Schroer, Marcel | | | 2140 | NED | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Hendriks, Willy | m | | 2432 | NED | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Van Den Bergh, Ben | | | 2003 | NED | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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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