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Individual Calculations September 2009 |
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| Boulahfa, Hicham Total change: -4.65 | |   |
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| First Saturday FM-B July 2009 | Budapest | HUN | 2009-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2022 | 4.50 | 10 | 0.04 | 15 | 0.60 | |
|  Lakat, Gyula | | | 1970 | HUN | 1.00 | 1 | 0.43 | 15 | 6.45 | |  Griffiths, Ryan Rhys | | | 2137 | IRL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Mezei, Csaba | | | 2125 | HUN | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Mayer, Istvan | f | | 2184 | HUN | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Ellappen, Jenine | | wm | 1894 | RSA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Lakat, Gyula | | | 1970 | HUN | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Griffiths, Ryan Rhys | | | 2137 | IRL | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Mezei, Csaba | | | 2125 | HUN | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Mayer, Istvan | f | | 2184 | HUN | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Ellappen, Jenine | | wm | 1894 | RSA | 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) | | | | Dutch Open | Dieren | NED | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 2022 | 2.50 | 9 | -0.03 | 15 | -0.45 | |
| | Van Der Poel, Henk | f | | 2282 | NED | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Hoeksema, Erik | m | | 2309 | NED | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Van Helvoort, Rob | | | 2213 | NED | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Haast, Anne | | | 2158 | NED | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Vogel, Heike | | wf | 2133 | GER | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Vogel, Jaap | f | | 2237 | NED | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Van Der Velden, Bram | | | 2210 | NED | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Timmermans, Mark | | | 2125 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Lambrechts, Koen | | | 2076 | 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) | | | | Hogeschool Zeeland Chess Tournament 2009 | Vlissingen | NED | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2022 | 1.00 | 5 | -0.32 | 15 | -4.80 | |
| | Rajesh, V A V | f | | 2249 | IND | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Van Hoeve, Ab | | | 2198 | NED | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Van Den Berg, Ad | | | 2197 | NED | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Smits, Sebastiaan | | | 2165 | NED | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Dek, Lennart | | | 2205 | NED | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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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