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Individual Calculations August 2023 |
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| Miles, Barry S Total change: -2.00 | |   |
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| Coulsdon Chess Daytime Chess Club Summer Term 2023 July | Coulsdon | ENG | 2023-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1308 | 1350 | 3.00 | 4 | 0.76 | 20 | 15.20 | |
|  Shoulders, Andrew M | | | 1031 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Kaddu, Mukasa (fred) | | | 1690 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Fazia, Salvatore | | | 1142 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Bermudez, Venerando | | | 1367 | ENG | 1.00 | 1 | 0.52 | 20 | 10.40 | |
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) | | | | Coulsdon Chess Summer Cup 2023 - U1500 Round 2 - July | Coulsdon | ENG | 2023-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1201 | 1334 | 0.00 | 3 | -2.03 | 20 | -40.60 | |
| | Marsden, Oscar | | | 1207 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Thorpe, Mason | | | 1132 | ENG | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Mahadevan, Rohit | | | 1263 | ENG | 0.00 | 1 | -0.60 | 20 | -12.00 | |
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) | | | | 2023 British Championship: Weekender - Yates | Leicester | ENG | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1332 | 1334 | 1.00 | 1 | 0.50 | 20 | 10.00 | |
| | Boztas, Lana | | | 1332 | ENG | 1.00 | 1 | 0.50 | 20 | 10.00 | |
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) | | | | 2023 British Championship: AM Under 1600 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1361 | 1334 | 1.50 | 3 | 0.10 | 20 | 2.00 | |
| | Brown, Stephanie | | | 1242 | ENG | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Fraser, Chris | | | 1373 | ENG | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Joseph, Tomy | | | 1469 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | |
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) | | | | 2023 British Championship: PM Under 1450 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1255 | 1334 | 3.00 | 4 | 0.57 | 20 | 11.40 | |
| | Singh, Avyanna | | | 1247 | ENG | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Cox, David | | | 1319 | ENG | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Walker, Heather Enid | | | 1213 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Brown, Stephanie | | | 1242 | ENG | 1.00 | 1 | 0.37 | 20 | 7.40 | |
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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