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Individual Calculations April 2009 |
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| Wettasinghe, Vasanta Total change: -40.30 | |   |
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| 2nd JUGAL KISHORE NEWATIA MEMORIAL INTERNTIONAL OPEN RATING CHESS TOURNAMENT 2008 | TERPAPANTH BHAWAN, FANCY BAZAR, GUWAHATI 781001, ASSAM INDIA | IND | 2008-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 1929 | 1.00 | 4 | 0.14 | 25 | 3.50 | |
|  Rajkumar, Apollosana Mangang | | | 2170 | IND | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Chattarjee, Laltu | | | 2236 | IND | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Dhar, Rajib | | | 2131 | IND | 1.00 | 1 | 0.76 | 25 | 19.00 | |  T.g.m., Peiris | | | 2099 | SRI | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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) | | | | 7th Parsvnath International Open Chess Tournament 2009 | Modern School, Barakhamba Road, New Delhi, India | IND | 2009-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2073 | 1929 | 1.00 | 5 | -0.62 | 25 | -15.50 | |
| | Negi, Parimarjan | g | | 2279 | IND | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Choudhary, Jitendra Kumar | | | 2187 | IND | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Ramaraju, N | | | 2131 | IND | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Rajeev, Singh | | | 1660 | IND | 1.00 | 1 | 0.17 | 25 | 4.25 | | | Bhattacharya, Niladri Shekhar | | | 2109 | IND | 0.00 | 1 | -0.26 | 25 | -6.50 | |
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) | | | | 1st Gurgaon International Open Chess Tournament - India | Suncity World School, Sector-54, Gurgaon, India | IND | 2009-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 1929 | 0.00 | 4 | -0.67 | 25 | -16.75 | |
| | Laxman, R R | m | | 2279 | IND | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Singh, D P | m | | 2279 | IND | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Khasim, Sk | | | 2120 | IND | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Soni, Krishan | | | 2167 | IND | 0.00 | 1 | -0.20 | 25 | -5.00 | |
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) | | | NOTE: K factor changed | | 2nd Colombo Chess Festival '09 | Colombo | SRI | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 1929 | 0.00 | 2 | -1.03 | 15 | -15.45 | |
| | Peiris, T.g.m. | | | 2133 | SRI | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Premanath, Dinushki | | | 1703 | SRI | 0.00 | 1 | -0.79 | 15 | -11.85 | |
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) | | | NOTE: K factor changed | | Sri Lanka Open International Rating Chess Tournament 2009 | Kandy | SRI | 2009-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 1929 | 1.50 | 4 | 0.26 | 15 | 3.90 | |
| | Madugalle, Y.d.b. | | | 2045 | SRI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Navalgund, Niranjan | | | 2056 | IND | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Manish, Hamal | f | | 2089 | NEP | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Kurukulasuriya, Prasanna | | | 2092 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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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