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Individual Calculations February 2013 |
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| Van Der Leij, Arjan Total change: 7.80 | |   |
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| Schaakfestival Groningen 2012 Compact A | Groningen | NED | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2052 | 2.00 | 4 | 0.52 | 15 | 7.80 | |
|  Jellema, Yme Jan | | | 2206 | NED | 0.50 | 1 | 0.21 | 15 | 3.15 | |  Rietman, Frits | | | 2241 | NED | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Boersma, Jan | | | 2086 | NED | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Arp, Frans | | | 2059 | NED | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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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