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Individual Calculations April 2009 |
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| Cheung, Jan Total change: 28.35 | |   |
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| 3G - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2158 | 2112 | 1.00 | 2 | 0.13 | 15 | 1.95 | |
|  Besseling, Michiel | | | 2213 | NED | 0.50 | 1 | 0.14 | 15 | 2.10 | |  Fritschy, Frits | | | 2102 | NED | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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) | | | | 3L - Corus Chess Tournament - Weekendvierkampen | Wijk aan Zee | NED | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 2052 | 1.50 | 2 | 0.40 | 15 | 6.00 | |
| | Kelder, Sjoerd | | | 2000 | NED | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Serdijn, Adinda | | | 2034 | NED | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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) | | | | Aeroflot open C | Moscow | RUS | 2009-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2082 | 2052 | 5.00 | 8 | 1.36 | 15 | 20.40 | |
| | Dadello, Andrzej | | | 1820 | POL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Gilev, Sergey | | | 2191 | RUS | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Salayev, Teymur Shahveran Oglu | | | 1938 | AZE | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Remizov, Juri | | | 2174 | RUS | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Tkachuk, Andrey | | | 2153 | RUS | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Sapozhnikov, Roman | | | 2131 | CAN | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Yeo, Michael J | | | 2120 | ENG | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Karpova, Lyudmila | | wf | 2131 | RUS | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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