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Individual Calculations January 2010 |
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| Khachiyan, Melikset Total change: 7.10 | |   |
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| 27th Annual Sands Regency - Western States Open | Reno, Nevada | USA | 2009-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2349 | 2528 | 5.00 | 6 | 0.74 | 10 | 7.40 | |
|  Treger, Yefim | | | 2198 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | |  Shipman, Walter J | m | | 2209 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Formanek, Edward W | m | | 2253 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Brooks, Michael A | m | | 2478 | USA | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Zierk, Steven C | f | | 2303 | USA | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Van Wely, Loek | g | | 2650 | NED | 1.00 | 1 | 0.67 | 10 | 6.70 | |
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) | | | | 45th Annual American Open | Los Angeles, California | USA | 2009-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2319 | 2530 | 6.00 | 8 | -0.03 | 10 | -0.30 | |
| | Chen, Howard | | | 2194 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Iwamoto, Takashi | f | | 2252 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Kudryavtsev, Vadim | | | 2171 | RUS | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Sevillano, Enrico | m | | 2515 | USA | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Matikozyan, Andranik | m | | 2480 | ARM | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Landaw, Julian W | | | 2272 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Mezentsev, Vladimir | m | | 2383 | RUS | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Abrahamyan, Tatev | | wf | 2281 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | |
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) | | |
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