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Individual Calculations August 2021 |
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| Peng, Shunkai Total change: -35.20 | |   |
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| PNWCC vs Vrsac - June 2021 | Redmond (USA) and Vrsac (Serbia) | USA | 2021-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2438 | 2330 | 1.50 | 4 | 0.06 | 20 | 1.20 | |
|  Todorovic, Jovan | m | | 2346 | SRB | 0.50 | 1 | 0.02 | 20 | 0.40 | |  Todorovic, Jovan | m | | 2346 | SRB | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Bogosavljevic, Boban | g | | 2530 | SRB | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Bogosavljevic, Boban | g | | 2530 | SRB | 0.50 | 1 | 0.26 | 20 | 5.20 | |
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) | | | | PNWCC vs Sophia - June 2021 | Redmond (USA) and Sophia (BUL) | USA | 2021-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2420 | 2330 | 2.00 | 4 | 0.50 | 20 | 10.00 | |
| | Ermenkov, Evgenij | g | | 2370 | BUL | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Ermenkov, Evgenij | g | | 2370 | BUL | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Petrov, Marian | g | | 2470 | BUL | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Petrov, Marian | g | | 2470 | BUL | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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) | | | | 14th Annual Philadelphia International - Premier | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 2330 | 1.00 | 4 | -2.23 | 20 | -44.60 | |
| | Krishnakumar, Sriram | c | | 1981 | USA | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Yanayt, Eugene | f | | 2102 | USA | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Lu, Jason | | | 2048 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Atanasov, Anthony | f | | 2172 | CAN | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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) | | | | 49th Annual World Open - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 2316 | 2.00 | 5 | -1.39 | 20 | -27.80 | |
| | Wang, Ellen | | wm | 2007 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Gledura, Benjamin | g | | 2629 | HUN | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Studen, Damir | | | 2091 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Atanasov, Anthony | f | | 2070 | CAN | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Ngo, Bach | | | 2071 | USA | 0.00 | 1 | -0.80 | 20 | -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) | | | | PNWCC vs Plovdiv II - Match 1 | Redmond (USA) and Plovdiv (BUL) | USA | 2021-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2389 | 2316 | 4.50 | 8 | 1.30 | 20 | 26.00 | |
| | Ermenkov, Evgenij | g | | 2370 | BUL | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Ermenkov, Evgenij | g | | 2370 | BUL | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Zahariev, Zahari | m | | 2387 | BUL | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Zahariev, Zahari | m | | 2387 | BUL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Simeonov, Stefan | | | 2391 | BUL | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Simeonov, Stefan | | | 2391 | BUL | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Kozhuharov, Spas | m | | 2407 | BUL | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Kozhuharov, Spas | m | | 2407 | BUL | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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) | | |
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