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Individual Calculations January 2009 |
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| Roiz, Michael Total change: -29.80 | |   |
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| 24th European Club Cup 2008 Halkidiki, Greece | Kallithea, Halkidiki - Greece | GRE | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2508 | 2677 | 3.00 | 6 | -1.28 | 10 | -12.80 | |
|  Eames, Robert S | f | | 2329 | ENG | 0.50 | 1 | -0.39 | 10 | -3.90 | |  Grigoryan, Avetik | g | | 2513 | ARM | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Yevseev, Denis | g | | 2534 | RUS | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Avrukh, Boris | g | | 2657 | ISR | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Saltaev, Mihail | g | | 2484 | UZB | 0.00 | 1 | -0.75 | 10 | -7.50 | | | Edouard, Romain | m | | 2531 | FRA | 0.50 | 1 | -0.20 | 10 | -2.00 | |
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) | | | | Olympiad Dresden Open | Dresden | GER | 2008-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2621 | 2677 | 5.50 | 9 | 0.31 | 10 | 3.10 | |
| | Miezis, Normunds | g | | 2557 | LAT | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Rozentalis, Eduardas | g | | 2577 | LTU | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Amin, Bassem | g | | 2560 | EGY | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Agrest, Evgenij | g | | 2574 | SWE | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Vallejo Pons, Francisco | g | | 2664 | ESP | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Khenkin, Igor | g | | 2647 | GER | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Akopian, Vladimir | g | | 2679 | ARM | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Karjakin, Sergey | g | | 2730 | UKR | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Smeets, Jan | g | | 2604 | NED | 1.00 | 1 | 0.40 | 10 | 4.00 | |
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) | | | | Israel National Champ 2008 Finals | Haifa | ISR | 2008-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2500 | 2677 | 4.50 | 9 | -2.01 | 10 | -20.10 | |
| | Vydeslaver, Alik | m | | 2399 | ISR | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Zilberman, Yaacov | g | | 2446 | ISR | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Lerner, Konstantin Z. | g | | 2542 | UKR | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Huzman, Alexander | g | | 2590 | ISR | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Greenfeld, Alon | g | | 2560 | ISR | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Avrukh, Boris | g | | 2657 | ISR | 0.00 | 1 | -0.53 | 10 | -5.30 | | | Berkovich, Mark A | m | | 2409 | ISR | 0.00 | 1 | -0.83 | 10 | -8.30 | | | Kantsler, Boris | g | | 2491 | ISR | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Caspi, Israel | m | | 2408 | ISR | 0.50 | 1 | -0.33 | 10 | -3.30 | |
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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