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Individual Calculations April 2009 |
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| Vrenegoor, Taco Total change: 43.65 | |   |
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| 3D - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2321 | 1.00 | 1 | 0.29 | 15 | 4.35 | |
|  Punt, Roland | | | 2161 | NED | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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 |
| 2275 | 2321 | 6.50 | 9 | 1.44 | 15 | 21.60 | |
|  Vedder, Richard | f | | 2329 | NED | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Bezemer, Arno | f | | 2342 | NED | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Royakkers, Guido | | | 2212 | NED | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Van Der Werf, Mark | m | | 2424 | NED | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Plukkel, Sjoerd | | | 2236 | NED | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Konings, Frans | | | 2232 | NED | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Heemskerk, Wim | f | | 2224 | NED | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Smits, Mark | | | 2305 | NED | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Langedijk, Ardjan | | | 2169 | NED | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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) | | | | Batavia Amsterdam Toernooi | Amsterdam | NED | 2009-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2338 | 2321 | 5.50 | 9 | 1.18 | 15 | 17.70 | |
| | Van Kampen, Robin | f | | 2305 | NED | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Karolyi, Tibor Jr. | m | | 2360 | HUN | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Manor, Ilan | g | | 2490 | ISR | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Vedder, Henk | | | 2362 | NED | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Van Weersel, Arlette | | wm | 2214 | NED | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Afek, Yochanan | m | | 2316 | ISR | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Kuipers, Stefan | f | | 2317 | NED | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Karp, Michael | f | | 2280 | ISR | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Van Delft, Merijn | m | | 2397 | NED | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | |
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