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Individual Calculations September 2009 |
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| Verhoef, Harry Total change: -9.25 | |   |
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| Dutch Open - Reserve A | Dieren | NED | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 1939 | 4.00 | 5 | 1.63 | 25 | 40.75 | |
|  Scholten, Karel | | | 1967 | NED | 0.00 | 1 | -0.46 | 25 | -11.50 | | | Brinkers, Kees | | | 1965 | NED | 1.00 | 1 | 0.54 | 25 | 13.50 | | | Snikkers, Naomi | | | 1818 | NED | 1.00 | 1 | 0.34 | 25 | 8.50 | | | Oosterman, Maarten-Jan | | | 2007 | NED | 1.00 | 1 | 0.59 | 25 | 14.75 | |  Tromp, Pieter | | | 2028 | NED | 1.00 | 1 | 0.62 | 25 | 15.50 | |
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) | | | | Olomouc Chess Summer 2009 - Open Olomouc | Olomouc | CZE | 2009-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1808 | 1939 | 2.00 | 6 | -2.00 | 25 | -50.00 | |
| | Kasparov, Sergey | g | | 2339 * | BLR | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Docekal, Ales | | | 1714 | CZE | 0.00 | 1 | -0.78 | 25 | -19.50 | | | Slepicka, Ladislav | | | 1708 | CZE | 1.00 | 1 | 0.21 | 25 | 5.25 | | | Luzikova, Nicola | | | 1753 | CZE | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Dobes, Vojtech | | | 1794 | CZE | 0.00 | 1 | -0.69 | 25 | -17.25 | | | Badik, Yaryna | | | 1539 * | UKR | 0.00 | 1 | -0.92 | 25 | -23.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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