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Individual Calculations April 2009 |
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| Gabuzyan, Hovhannes Total change: -3.75 | |   |
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| Chess House 2008 Ch. | Yerevan | ARM | 2008-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2101 | 1.50 | 6 | -0.58 | 15 | -8.70 | |
|  Melkonian, Vardan | | | 2238 | ARM | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Gevorgyan, David | | | 2256 | ARM | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Mamikonian, Mikael | | | 2188 | ARM | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Simonian, Tigran | | | 2188 | ARM | 0.00 | 1 | -0.38 | 15 | -5.70 | |  Tamazyan, Haik | | | 2138 | ARM | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Gasparian, Tigran | | | 2281 | ARM | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | 79th Yerevan Ch. SF | Yerevan | ARM | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 2114 | 3.50 | 5 | 0.33 | 15 | 4.95 | |
| | Hovhanisian, Asatur | | | 1920 | ARM | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Petrosyan, Hovhannes | | | 2197 | ARM | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Papikyan, David | | | 1958 | ARM | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Petrosyan, Tigran S. | | | 2011 | ARM | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Harutyunian, Tigran K. | | | 1980 | ARM | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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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