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Individual Calculations March 2010 |
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| Van Der Wiel, John Total change: -11.00 | |   |
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| Schaakfestival Groningen 2009 Open A | Groningen | NED | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2330 | 2475 | 5.00 | 9 | -1.10 | 10 | -11.00 | |
|  Herwaarden Van, Arjen | | | 2162 | NED | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Baklan, Vladimir | g | | 2655 | UKR | 0.50 | 1 | 0.24 | 10 | 2.40 | |  Swinkels, Robin | g | | 2500 | NED | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Heemskerk, Wim | f | | 2236 | NED | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Racherbaumer, Marcel | | | 2301 | GER | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Klein, David | | | 2262 | NED | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Haast, Anne | | | 2251 | NED | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Berkovich, Mark A | m | | 2406 | ISR | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Pijpers, Arthur | | | 2201 | NED | 0.50 | 1 | -0.33 | 10 | -3.30 | |
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 2C Round 5-6 - Dutch Team Competition | Various | NED | 2010-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2253 | 2473 | 1.50 | 2 | 0.00 | 10 | 0.00 | |
| | Provoost, Harry | | | 2107 | NED | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Slingerland, Fred | m | | 2398 | NED | 0.50 | 1 | -0.10 | 10 | -1.00 | |
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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