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Individual Calculations January 2011 |
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| Kudischewitsch, David Total change: -18.20 | |   |
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| Chaim Kandelshine Memorial 2010 | Herzlia | ISR | 2010-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 2363 | 7.00 | 9 | -0.06 | 10 | -0.60 | |
|  Bar-Or, Ornan | | | 1975 | ISR | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Malachi, Avraham | | | 2159 | ISR | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Kalnim, Aaron | | | 2068 | ISR | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Zalkind, Konstantin | f | | 2183 | ISR | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Axelrod, Arie | f | | 2371 | ISR | 1.00 | 1 | 0.51 | 10 | 5.10 | | | Hasidovsky, Michael | | | 2149 | ISR | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Kinberg, Ofer | | | 2086 | ISR | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Shlam, Yehuda | | | 2094 | ISR | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Magen, Paz | | | 2032 | ISR | 0.50 | 1 | -0.38 | 10 | -3.80 | |
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 Championship 2010 Open | Haifa | ISR | 2010-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2242 | 2366 | 5.00 | 9 | -0.94 | 10 | -9.40 | |
| | Sorin, Michael | | | 2204 | ISR | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Zaltz, Dov | | | 2316 | ISR | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Sheskin, Matan | | | 2252 | ISR | 0.00 | 1 | -0.66 | 10 | -6.60 | | | Givon, Asaf | | | 2226 | ISR | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Rinberg, Alexander | f | | 2302 | ISR | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Krayz, Alexander | m | | 2339 | ISR | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Porat, Maya | | | 2257 | ISR | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Aharon, Ofir | | | 2264 | ISR | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Reshef, Omer | | | 2015 | ISR | 1.00 | 1 | 0.11 | 10 | 1.10 | |
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) | | | | Intl. Festival PT 2010 IM | Petach Tikva | ISR | 2010-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2299 | 2366 | 4.50 | 9 | -0.82 | 10 | -8.20 | |
| | Nedobora, Mikhail | m | | 2384 | UKR | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Nakar, Eylon | | | 2285 | ISR | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Gershkowich, David | f | | 2311 | ISR | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Arlinsky, Uriel | f | | 2248 | ISR | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Kantsler, Boris | g | | 2440 | ISR | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Efroimski, Marsel | | wf | 2244 | ISR | 0.00 | 1 | -0.67 | 10 | -6.70 | | | Rabinovich, Joseph | | | 2278 | RUS | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Shutzman, Joseph | f | | 2267 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Boruchovsky, Avital | | | 2238 | ISR | 0.50 | 1 | -0.17 | 10 | -1.70 | |
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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