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Individual Calculations April 2009 |
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| Klein, David Total change: 44.70 | |   |
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| 2B - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2135 | 1.00 | 1 | 0.47 | 15 | 7.05 | |
|  De Vries, Paul | | | 2113 | NED | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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 | 2184 | 4.00 | 9 | 0.44 | 15 | 6.60 | |
|  Giri, Anish | f | | 2466 | RUS | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Bijlsma, Nick | | | 1911 | NED | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Brandenburg, Daan | m | | 2436 | NED | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Otte, Marijn | | | 2351 | NED | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Vogel, Jaap | f | | 2233 | NED | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Mostertman, Milan | | | 2034 | NED | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Hoeksema, Erik | m | | 2323 | NED | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Paulet, Iozefina | | wm | 2307 | ROU | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Van Kampen, Robin | f | | 2307 | 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) | | | | 1B - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2277 | 2188 | 5.50 | 9 | 2.07 | 15 | 31.05 | |
| | Strating, Sybolt | f | | 2327 | NED | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Slingerland, Fred | f | | 2398 | NED | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Kuipers, Stefan | f | | 2317 | NED | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Gijswijt, Bart | | | 2231 | NED | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Veneman, Henry J | | | 2183 | NED | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Timmermans, Ivo | | | 2244 | NED | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Oosterom, Erik | | | 2142 | NED | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Den Heeten, Djurre | | | 2352 | NED | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Wantola, Ivo | f | | 2300 | NED | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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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