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Individual Calculations July 2008 |
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| Sadatnajafi, M Total change: -6.30 | |   |
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| 6th Iranian Super League Chess Championship (Men) Second Seasion | Various City in Iran | IRI | 2007-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2200 | 2211 | 2.00 | 4 | -0.06 | 15 | -0.90 | |
|  Banirashid, Saeid | | | 2211 | IRI | 0.00 | 1 | -0.50 | 15 | -7.50 | |  Rahmati, Mostafa | | | 2008 | IRI | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Ardeshi, Mehrdad | f | | 2399 | IRI | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Sadeh, Shahin | | | 2181 | IRI | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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) | | | | 5th Persian Gulf Cup | Tehran | IRI | 2008-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2256 | 1.00 | 2 | -0.07 | 15 | -1.05 | |
| | Khaghani, Mehdi | | | 2270 | IRI | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Afshari, Mohammadreza | f | | 2193 | IRI | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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) | | | | 10th Dubai International Open Tournament | Dubai | UAE | 2008-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2588 | 2288 | 0.00 | 2 | -0.29 | 15 | -4.35 | |
| | Arutinian, David | g | | 2593 | GEO | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Li, Chao B | g | | 2582 | CHN | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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) | | |
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