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Individual Calculations September 2011 |
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| Markus, John Raymond Total change: 30.15 | |   |
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| HSG Open 2011 | Hilversum | NED | 2011-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2349 | 2150 | 2.00 | 5 | 0.67 | 15 | 10.05 | |
|  Epishin, Vladimir | g | | 2550 * | RUS | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Klein, David | f | | 2359 | NED | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Slingerland, Fred | m | | 2415 | NED | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Breedveld, Andre | | | 2117 | NED | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Van Ketel, Raoul | f | | 2306 | NED | 0.00 | 1 | -0.29 | 15 | -4.35 | | | * 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) | | | | Science Park Amsterdam Chess Tournament - A | Amsterdam | NED | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2294 | 2137 | 4.00 | 9 | 1.34 | 15 | 20.10 | |
| | Miedema, David | m | | 2399 | NED | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Hopman, Pieter | | | 2367 | NED | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Posedaru, Bogdan | f | | 2354 | ROU | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Geenen, Marc | f | | 2267 | BEL | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Wunnink, Michael | | | 2258 | NED | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Duijker, Rick | f | | 2276 | NED | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Plukkel, Sjoerd | | | 2298 | NED | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Vogel, Jaap | f | | 2221 | NED | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Brink, Barry | | | 2204 | NED | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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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