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Individual Calculations March 2011 |
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| Pijpers, Arthur Total change: 14.85 | |   |
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| Schaakfestival Groningen 2010 Compact A | Groningen | NED | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2249 | 4.00 | 5 | 0.78 | 15 | 11.70 | |
|  Mol, Christiaan | | | 2033 | NED | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Costello, Colin | | | 1977 | ENG | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Assendelft Van, Floris | f | | 2354 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Wolferink, Frans | | | 2097 | NED | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Donker, Roel | | | 2215 | NED | 1.00 | 1 | 0.45 | 15 | 6.75 | |
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) | | | | Dutch Team Competition - Meester - round 5-6 2011 | Various | NED | 2011-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2470 | 2258 | 1.00 | 2 | 0.54 | 15 | 8.10 | |
| | Fridman, Rafael | m | | 2486 | GER | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Cuijpers, Frans | m | | 2454 | NED | 1.00 | 1 | 0.75 | 15 | 11.25 | |
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 - Tien 1B | Wijk aan Zee | NED | 2011-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2271 | 2258 | 4.00 | 9 | -0.33 | 15 | -4.95 | |
| | Kabos, Tobias | | | 2212 | NED | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Goudriaan, Etienne | | | 2268 | NED | 0.00 | 1 | -0.49 | 15 | -7.35 | | | De Wit, Tex | f | | 2298 | NED | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Bitensky, Igor | m | | 2401 | ISR | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Ludden, Gert-Jan | | | 2260 | NED | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Hermeling, Caspar | | | 2027 | NED | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Konings, Frans | | | 2274 | NED | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Bosboom, Manuel | m | | 2438 | NED | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Caoili, Arianne | | wm | 2260 | AUS | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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) | | |
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