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Individual Calculations February 2013 |
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| Arp, Frans Total change: -7.65 | |   |
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| Schaakfestival Groningen 2012 Compact A | Groningen | NED | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 2059 | 1.50 | 3 | 0.07 | 15 | 1.05 | |
|  Bijlsma, Nick | | | 2157 | NED | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Van Den Ouden, Lendert | | | 2026 | NED | 0.00 | 1 | -0.55 | 15 | -8.25 | |  Van Der Leij, Arjan | | | 2052 | 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) | | | | Tata Steel Chess Tournament 2013 Dag 1A | Wijk aan Zee | NED | 2013-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2049 | 0.50 | 3 | -0.58 | 15 | -8.70 | |
| | Langedijk, Ardjan | | | 2107 | NED | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Janse, Paul | | | 2105 | NED | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Witt, Rob | f | | 2255 | 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) | | |
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