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Individual Calculations April 2008 |
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| Roy Chowdhury, Saptarshi Total change: 15.90 | |   |
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| Commonwealth Chess Championships | Sirifort Sports Complex, Khel Gaon, New Delhi, India. | IND | 2007-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2418 | 6.00 | 10 | -1.67 | 10 | -16.70 | |
|  Deepthamsh, Reddy M | | | 2068 | IND | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Padmini, Rout | | | 2226 | IND | 0.00 | 1 | -0.75 | 10 | -7.50 | | | Negi, D S | | | 2068 | IND | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Singh, Pritam | | | 2226 | IND | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Debashis, Das | | | 2286 | IND | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Matta, Vinay Kumar | | | 2281 | IND | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Gomes, Mary Ann | | wm | 2262 | IND | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Thakur, Akash | | | 2243 | IND | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Vaibhav, Suri | | | 2068 | IND | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Balasubramaniun, Ramnathan | m | | 2266 | IND | 0.50 | 1 | -0.20 | 10 | -2.00 | |
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) | | | | Warsaw - Buenos Aires - Kolkata Chess Match | Warszawa | POL | 2007-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2464 | 2418 | 2.00 | 3 | 0.68 | 10 | 6.80 | |
| | Kempinski, Robert | g | | 2596 | POL | 0.50 | 1 | 0.23 | 10 | 2.30 | | | Brzeski, Maciej | | | 2307 | POL | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Lafuente, Pablo | m | | 2489 | ARG | 0.50 | 1 | 0.10 | 10 | 1.00 | |
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) | | | | Hastings Masters | Hastings | ENG | 2007-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2361 | 2418 | 6.00 | 10 | 0.30 | 10 | 3.00 | |
| | Kwiatkowski, Feliks J | c | | 2237 | ENG | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Conquest, Stuart C | g | | 2540 | ENG | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Georgiev, Vladimir | g | | 2576 | MKD | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Heinis, Vincent | | | 2202 | FRA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Jackson, Oliver A | | | 2219 | ENG | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Bindrich, Falko | g | | 2512 | GER | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Marusenko, Petr | m | | 2304 | UKR | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Sugden, John N | | | 2116 | ENG | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Jones, Gawain C B | g | | 2567 | ENG | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Rudd, Jack | f | | 2332 | ENG | 0.50 | 1 | -0.12 | 10 | -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) | | | | Open Praha 2008 - tournament A | Prague | CZE | 2008-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2418 | 7.00 | 9 | 1.04 | 10 | 10.40 | |
| | Heikkila, Antti | | | 2068 | FIN | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Bures, Jaroslav | | | 2203 | CZE | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Johansson, Thomas | | | 2155 | SWE | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Khantuev, Alexander | f | | 2324 | RUS | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Gross, Georg | f | | 2303 | GER | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Skjoldborg, Jesper | f | | 2294 | DEN | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Trichkov, Vasil | m | | 2356 | CZE | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Marholev, Dimitar | m | | 2401 | BUL | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Ivanov, Mikhail M | g | | 2483 | RUS | 1.00 | 1 | 0.59 | 10 | 5.90 | |
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) | | | | Velammal 45th National A Chess Chamionship | Chennai, India | IND | 2008-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2430 | 2418 | 7.50 | 13 | 1.24 | 10 | 12.40 | |
| | Arun, Karthik R | | | 2313 | IND | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Barua, Dibyendu | g | | 2491 | IND | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Gopal, G N | g | | 2528 | IND | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Ramesh, R B | g | | 2473 | IND | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Shetty, Rahul | m | | 2320 | IND | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Negi, Parimarjan | g | | 2526 | IND | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Deepan, Chakkravarthy J | g | | 2491 | IND | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Venkatesh, M R | m | | 2444 | IND | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Bakre, Tejas | g | | 2459 | IND | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Thipsay, Praveen M | g | | 2473 | IND | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Babu, N Sudhakar | m | | 2333 | IND | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Shashikant, Kutwal | | | 2316 | IND | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Sethuraman, S P | m | | 2424 | IND | 0.50 | 1 | 0.01 | 10 | 0.10 | |
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) | | |
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