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Individual Calculations April 2009 |
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| Van Kampen, Robin Total change: 43.35 | |   |
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| 2A - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2225 | 2294 | 1.00 | 2 | -0.19 | 15 | -2.85 | |
|  Van Schaardenburg, Mark | | | 2255 | NED | 0.00 | 1 | -0.55 | 15 | -8.25 | |  Van Den Berg, Hilke | | | 2195 | NED | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | Schaakfestival Groningen - Groep A | Groningen | NED | 2008-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2263 | 2307 | 4.00 | 9 | -0.98 | 15 | -14.70 | |
| | Ernst, Sipke | g | | 2576 | NED | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Hoffmann, Michael | m | | 2469 | GER | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Rauw, Gert Jan | | | 2008 | NED | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Saravanan, V. | m | | 2417 | IND | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Mostertman, Milan | | | 2034 | NED | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Padurariu, Ioana-Smaranda | | wm | 2179 | ROU | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Otte, Marijn | | | 2351 | NED | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Pijpers, Arthur | | | 2150 | NED | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Klein, David | | | 2184 | NED | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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 - Weekendvierkampen | Wijk aan Zee | NED | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2265 | 2305 | 2.00 | 3 | 0.34 | 15 | 5.10 | |
| | Van Egmond, Rogier Marcel | | | 2253 | NED | 1.00 | 1 | 0.43 | 15 | 6.45 | | | In`t Veld, Daan | | | 2178 | NED | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Okkes, Menno | f | | 2363 | NED | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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) | | | | Batavia Amsterdam Toernooi | Amsterdam | NED | 2009-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2340 | 2305 | 6.00 | 9 | 1.94 | 15 | 29.10 | |
| | Vrenegoor, Taco | f | | 2321 | NED | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Karp, Michael | f | | 2280 | ISR | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Van Delft, Merijn | m | | 2397 | NED | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Kuipers, Stefan | f | | 2317 | NED | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Karolyi, Tibor Jr. | m | | 2360 | HUN | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Manor, Ilan | g | | 2490 | ISR | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Vedder, Henk | | | 2362 | NED | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Van Weersel, Arlette | | wm | 2214 | NED | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Afek, Yochanan | m | | 2316 | ISR | 1.00 | 1 | 0.52 | 15 | 7.80 | |
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) | | | | 25e open international de Cappelle | Cappelle la Grande | FRA | 2009-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2441 | 2305 | 4.50 | 8 | 1.78 | 15 | 26.70 | |
| | Nalbandian, Tigran | g | | 2471 | ARM | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Baklan, Vladimir | g | | 2627 | UKR | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Hebden, Mark | g | | 2522 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Avron, David | | | 2012 | FRA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Drozdovskij, Yuri | g | | 2607 | UKR | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Demidowicz, Maria | | | 2131 | POL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Ulibin, Mikhail | g | | 2511 | RUS | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Graf, Alexander | g | | 2644 | GER | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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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