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Individual Calculations September 2009 |
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| Gruenfeld, Yehuda Total change: -15.80 | |   |
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| Maccabiah 2009 Intl GM | Natanya | ISR | 2009-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2462 | 2490 | 4.00 | 9 | -0.85 | 10 | -8.50 | |
|  Nabaty, Tamir | | | 2504 | ISR | 0.50 | 1 | 0.02 | 10 | 0.20 | |  Caspi, Israel | m | | 2417 | ISR | 0.00 | 1 | -0.60 | 10 | -6.00 | | | Porat, Ido | m | | 2425 | ISR | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Bykhovsky, Anatoly | m | | 2487 | ISR | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Sidorenko, Ilya | | | 2390 | ISR | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Grunberg, Mihai-Lucian | m | | 2411 | ROU | 0.00 | 1 | -0.61 | 10 | -6.10 | | | Szuhanek, Ranko | m | | 2457 | ROU | 1.00 | 1 | 0.45 | 10 | 4.50 | | | Lerner, Konstantin Z. | g | | 2549 | UKR | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Diamant, Andre | g | | 2520 | BRA | 0.50 | 1 | 0.04 | 10 | 0.40 | |
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) | | | | KFS Weekend 2009 | Kfar Saba | ISR | 2009-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 2490 | 3.50 | 5 | -0.73 | 10 | -7.30 | |
| | Tratatovici, Dan | | | 2164 | ISR | 0.00 | 1 | -0.87 | 10 | -8.70 | | | Shani, Amichai | | | 2101 | ISR | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Aharon, Ofir | | | 2137 | ISR | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Markovich, Gadi | | | 2173 | ISR | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Gershkowich, David | f | | 2347 | ISR | 1.00 | 1 | 0.31 | 10 | 3.10 | |
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) | | |
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