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Individual Calculations August 2012 |
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| Koelmans, Jan Willem Total change: 19.80 | |   |
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| 2e Science Park Schaaktoernooi - Group B | Amsterdam | NED | 2012-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 2011 | 5.00 | 7 | 1.32 | 15 | 19.80 | |
|  Sanders, Catheleijne | | | 1798 | NED | 1.00 | 1 | 0.23 | 15 | 3.45 | |  Coerts, Marten | | | 1991 | NED | 1.00 | 1 | 0.47 | 15 | 7.05 | | | De Ruiter, Tom | | | 2113 | NED | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Van Den Bergh, Don | | | 2006 | NED | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Van Der Eyk, Dick | | | 1984 | NED | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Azimi, Reza | | | 2064 | GER | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Van Den Ouden, Lendert | | | 1983 | NED | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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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