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Individual Calculations April 2009 |
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| Van Kesteren, Stef Total change: -10.80 | |   |
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| 3B - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1903 | 0.50 | 1 | 0.09 | 25 | 2.25 | |
|  Zeeman, Zagar | | | 1966 | NED | 0.50 | 1 | 0.09 | 25 | 2.25 | |
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) | | | NOTE: K factor changed | | Schaakfestival Groningen - Compact A | Groningen | NED | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2099 | 1903 | 1.00 | 4 | -0.01 | 15 | -0.15 | |
|  Termeulen, Albert | | | 2146 | NED | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Stavast, Dick | | | 1960 | NED | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Van `t Hof, Eric | c | | 2141 | NED | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Straat, Evert-Jan | | | 2149 | NED | 0.50 | 1 | 0.31 | 15 | 4.65 | |
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) | | | NOTE: K factor changed | | Marianske Lazne 2009 - Open | Marianske Lazne | CZE | 2009-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1928 | 0.00 | 2 | -0.86 | 15 | -12.90 | |
| | Bielczyk, Jacek | m | | 2278 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Milfort, Vaclav | | | 1733 | CZE | 0.00 | 1 | -0.75 | 15 | -11.25 | |
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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