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Individual Calculations September 2021 |
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| Lapushnian, Maya Total change: -8.00 | |   |
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| Maccabi Ramat Gan Chess Championship 2021 B | Ramat Gan | ISR | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1511 | 3.50 | 5 | 0.05 | 40 | 2.00 | |
|  Iskoz, Daniel | | | 1267 | ISR | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Abitbul, Matan | | | 1262 | ISR | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Soybert, Ori | | | 1484 | ISR | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Sason, Noam | | | 1496 | ISR | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Ken-Dror, Renana | | | 1291 | ISR | 0.50 | 1 | -0.28 | 40 | -11.20 | |
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) | | | | Max Mit Memorial 2021 B | Rishon Lezion | ISR | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1364 | 1511 | 4.00 | 5 | 0.60 | 40 | 24.00 | |
| | Ingel, Mica Bar | | | 1228 | ISR | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Hirsch, Roei | | | 1575 | ISR | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Peleg, Yuval | | | 1240 | ISR | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Shiloah, Eylon | | | 1343 | ISR | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Sternfeld, Tomer | | | 1436 | ISR | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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) | | | | Israeli team U14 championship, Nahum Naftali memorial | Afula | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1275 | 1511 | 3.00 | 5 | -0.88 | 40 | -35.20 | |
| | Ingel, Mica Bar | | | 1228 | ISR | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Doctori, Shimri Leshem | | | 1111 * | ISR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Sella, Eyal | | | 1473 | ISR | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Shifrin, Yonatan | | | 1220 | ISR | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Laor, Jason Ethan | | | 1344 | ISR | 0.00 | 1 | -0.72 | 40 | -28.80 | | | * 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) | | | | Israeli Youth Team Championship U-18 2021 | Green Village | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1535 | 1511 | 0.50 | 1 | 0.03 | 40 | 1.20 | |
| | Karniel, Nave | | | 1535 | ISR | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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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