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Individual Calculations March 2010 |
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| Groenewold, Jan Joris Total change: 32.10 | |   |
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| Schaakfestival Groningen 2009 Open A | Groningen | NED | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2270 | 2145 | 5.00 | 9 | 1.96 | 15 | 29.40 | |
|  Pruijssers, Roeland | m | | 2413 | NED | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Genova, Lyubka | | wm | 2263 | BUL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Jellema, Yme Jan | | | 2193 | NED | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Thompson, Ian D | f | | 2266 | ENG | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Vergert Ten, Paul | | | 2071 | NED | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Piasetski, Leon | m | | 2269 | CAN | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Lyell, Mark | f | | 2245 | ENG | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Racherbaumer, Marcel | | | 2301 | GER | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Berkovich, Mark A | m | | 2406 | ISR | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | Klasse 3A Round 5-6 - Dutch Team Competition | Various | NED | 2010-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 2144 | 1.00 | 1 | 0.18 | 15 | 2.70 | |
| | Romijn, Bart | | | 1880 | NED | 1.00 | 1 | 0.18 | 15 | 2.70 | |
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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