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Rapid:
Individual Calculations February 2018 |
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| Ribstein, Orel Total change: 20.40 | |   |
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| Avraham Feldklein Memorial Rapid 2017 B | Rishon Lezion | ISR | 2017-12-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1427 | 1284 | 1.00 | 5 | -0.62 | 20 | -12.40 | |
|  Katsnelson, Leonard | | | 1616 | ISR | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Neeman, Tal | | | 1416 | ISR | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Mirchevsky, Steven | | | 1159 | ISR | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Shavit, Inbar | | | 1500 | ISR | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Neeman, Gal | | | 1444 | ISR | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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) | | | | Mark Center Rapid B 09.01.18 | Tel Aviv | ISR | 2018-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1545 | 1297 | 2.50 | 4 | 1.64 | 20 | 32.80 | |
| | Chechnovsky, Avi | | | 1697 * | ISR | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Roytman, Moshe | | | 1358 | ISR | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Amitai, Ido | | | 1520 | ISR | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Katsnelson, Leonard | | | 1603 | ISR | 1.00 | 1 | 0.86 | 20 | 17.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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