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Individual Calculations November 2011 |
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| Peelen, Piet Total change: 8.00 | |   |
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| BDO Chess Tournament Challenger | Haarlem | NED | 2011-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2304 | 2354 | 5.50 | 9 | 0.41 | 10 | 4.10 | |
|  Klein, David | f | | 2366 | NED | 0.50 | 1 | 0.02 | 10 | 0.20 | |  Poobalasingam, Peter S | f | | 2299 | ENG | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Gijswijt, Bart | f | | 2341 | NED | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Bottema, Tom | | | 2247 | NED | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Slingerland, Fred | m | | 2390 | NED | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Jackson, James P | | | 2157 | ENG | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Brown, Andrew | m | | 2202 | AUS | 0.00 | 1 | -0.70 | 10 | -7.00 | | | Arnaudov, G. Petar | m | | 2438 | BUL | 1.00 | 1 | 0.62 | 10 | 6.20 | | | De Wit, Tex | f | | 2293 | NED | 0.00 | 1 | -0.58 | 10 | -5.80 | |
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) | | | | Dutch Team Competition - 3D - Round 1 | Various | NED | 2011-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 2354 | 0.50 | 1 | -0.21 | 10 | -2.10 | |
| | Roebers, Jan | f | | 2194 | NED | 0.50 | 1 | -0.21 | 10 | -2.10 | |
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) | | | | Univé Open | Hoogeveen | NED | 2011-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2256 | 2354 | 5.50 | 8 | 0.60 | 10 | 6.00 | |
| | Van Laatum, Maarten | | | 2115 | NED | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Van Foreest, Jorden | | | 2153 | NED | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Potze, Rudolf | | | 2126 | NED | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Mellema, Andries | | | 2182 | NED | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Sekandar, Kambiz | | | 1954 * | NED | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Raznikov, Danny | m | | 2433 | ISR | 1.00 | 1 | 0.61 | 10 | 6.10 | | | Lenderman, Aleksandr | g | | 2562 | USA | 0.00 | 1 | -0.23 | 10 | -2.30 | | | Brandenburg, Daan | g | | 2522 | NED | 0.50 | 1 | 0.22 | 10 | 2.20 | | | * 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) | | |
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