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Individual Calculations February 2013 |
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| Pijpers, Arthur Total change: -9.00 | |   |
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| Schaakfestival Groningen 2012 Open A | Groningen | NED | 2012-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 2351 | 5.00 | 9 | -0.31 | 15 | -4.65 | |
|  Gieben, Stijn | | | 2048 | NED | 1.00 | 1 | 0.14 | 15 | 2.10 | |  Michalik, Peter | g | | 2508 | SVK | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Schoehuijs, Erik | | | 2160 | NED | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Maris, Ivo | | | 2086 | NED | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Ypma, Peter | | | 2157 | NED | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Naroditsky, Daniel | m | | 2483 | USA | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Hovhanisian, Mher | m | | 2477 | ARM | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Matnadze, Ana | m | wg | 2401 | ESP | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Jacobs, Florian | | | 2151 | NED | 1.00 | 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) | | | | Tata Steel Chess Tournament 2013 Tienkampen 1A | Wijk aan Zee | NED | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2356 | 5.00 | 9 | -0.29 | 15 | -4.35 | |
| | Bekker, Stefan | | | 2191 | NED | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Slingerland, Fred | m | | 2342 | NED | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Beukema, Stefan | f | | 2259 | BEL | 0.50 | 1 | -0.13 | 15 | -1.95 | | | De Ruiter, Danny | | | 2226 | NED | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Okkes, Menno | f | | 2365 | NED | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Dimitrov, Christo | f | | 2289 | FRA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Rooze, Jan | f | | 2291 | BEL | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Van Hengel, Hugo | | | 2267 | NED | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Van Delft, Merijn | m | | 2392 | NED | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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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