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Individual Calculations July 2009 |
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| Hachijan, Armen Total change: 33.75 | |   |
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| 1A - r 6-9 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2013 | 2.50 | 3 | 1.67 | 25 | 41.75 | |
|  Tan, Jonathan | | | 2128 | NED | 1.00 | 1 | 0.66 | 25 | 16.50 | |  Moll, Arne | | | 2186 | NED | 0.50 | 1 | 0.23 | 25 | 5.75 | | | Bakker, Sven | | | 2232 | NED | 1.00 | 1 | 0.78 | 25 | 19.50 | |
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) | | | | NKJ 2009 - B Jeugd | Venlo | NED | 2009-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 2098 | 3.00 | 6 | -0.29 | 25 | -7.25 | |
| | Pijpers, Arthur | | | 2209 | NED | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Van Der Lende, Ilias | | | 2043 | NED | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Mostertman, Milan | | | 2090 | NED | 0.00 | 1 | -0.51 | 25 | -12.75 | | | Mostertman, Xander | | | 1877 | NED | 1.00 | 1 | 0.22 | 25 | 5.50 | | | Ten Hertog, Hugo | | | 2073 | NED | 0.00 | 1 | -0.53 | 25 | -13.25 | | | Slagter, David | | | 2068 | NED | 1.00 | 1 | 0.46 | 25 | 11.50 | |
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 | | BSG Pinkstertoernooi | Bussum | NED | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2246 | 2098 | 1.50 | 5 | -0.05 | 15 | -0.75 | |
| | Rothuis, Vincent | m | | 2371 | NED | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Wantola, Ivo | f | | 2304 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Van Ketel, Raoul | f | | 2278 | NED | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Galje, Hans | | | 2152 | NED | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Goes, Sten | | | 2127 | NED | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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) | | |
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