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Individual Calculations April 2009 |
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| Plukkel, Sjoerd Total change: 24.60 | |   |
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| 1A - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2238 | 2215 | 0.00 | 2 | -0.94 | 15 | -14.10 | |
|  Visser, Henk Jan | | | 2209 | NED | 0.00 | 1 | -0.51 | 15 | -7.65 | |  Smit, Erik | | | 2266 | NED | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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) | | | | 1A - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2284 | 2236 | 6.50 | 9 | 2.58 | 15 | 38.70 | |
| | Konings, Frans | | | 2232 | NED | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Smits, Mark | | | 2305 | NED | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Vedder, Richard | f | | 2329 | NED | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Royakkers, Guido | | | 2212 | NED | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Vrenegoor, Taco | f | | 2321 | NED | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Heemskerk, Wim | f | | 2224 | NED | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Langedijk, Ardjan | | | 2169 | NED | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Bezemer, Arno | f | | 2342 | NED | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Van Der Werf, Mark | m | | 2424 | NED | 0.00 | 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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