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Individual Calculations March 2010 |
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| Afek, Yochanan Total change: 4.70 | |   |
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| Schaakfestival Groningen 2009 Open A | Groningen | NED | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2353 | 2285 | 4.00 | 8 | 0.58 | 10 | 5.80 | |
|  Ernst, Sipke | g | | 2587 | NED | 1.00 | 1 | 0.85 | 10 | 8.50 | |  Genov, Petar | g | | 2476 | BUL | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Chadaev, Nikolai | m | | 2567 | RUS | 0.00 | 1 | -0.16 | 10 | -1.60 | | | Deviatkin, Andrei | g | | 2608 | RUS | 0.00 | 1 | -0.13 | 10 | -1.30 | | | Bijlsma, Nick | | | 2075 | NED | 0.00 | 1 | -0.77 | 10 | -7.70 | | | Cako, Laszlo | | | 2155 | NED | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Hirth, Ulrich | | | 2108 | GER | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Haast, Anne | | | 2251 | NED | 0.50 | 1 | -0.05 | 10 | -0.50 | |
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) | | | | Klasse 1B Round 5-6 - Dutch Team Competition | Various | NED | 2010-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2280 | 0.50 | 1 | -0.11 | 10 | -1.10 | |
| | Van Veen, Oscar | f | | 2201 | NED | 0.50 | 1 | -0.11 | 10 | -1.10 | |
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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