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Individual Calculations September 2012 |
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| Ghoorchibeygi, Alireza Total change: 19.80 | |   |
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| Iranian Chess Festival (Men 2012) | Hamedan | IRI | 2012-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1931 | 2.00 | 3 | 0.60 | 30 | 18.00 | |
|  Mousavi, Seyed Khalil | | | 2216 | IRI | 0.00 | 1 | -0.16 | 30 | -4.80 | |  Maleki, Amin | | | 1545 | IRI | 1.00 | 1 | 0.09 | 30 | 2.70 | | | Asadi, Sadegh | | | 2053 | IRI | 1.00 | 1 | 0.67 | 30 | 20.10 | |
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) | | | NOTE: K factor changed | | 14 IBCA Chess Olympiad for the Blind | Chennai | IND | 2012-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1931 | 1.00 | 2 | 0.12 | 15 | 1.80 | |
| | Babarykin, Stanislav | f | | 2280 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Minarcak, Pavol | | | 1717 | SVK | 1.00 | 1 | 0.23 | 15 | 3.45 | |
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) | | |
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