Piyathilaka, Oshadhi Ruwanya January 2020 FIDE Individual Chess Calculations

Individual Calculations January 2020

Piyathilaka, Oshadhi Ruwanya Total change: -6.00

11th Ethugalpura International Chess Championship 2019			Kurunegala		SRI	2019-11-30
Rc	Ro			w	n	change	K	*Kchg**	Game
1438	1103			1.50	5	0.87	40	34.80

Weerasekara, Dishal Nimsara		1428	SRI	1.00	1	0.87	40	34.80
Thenuwara, Rashmika		1503 *	SRI	0.00	1	-0.08	40	-3.20
Thilakarathne, H M G G		1471	SRI	0.50	1	0.40	40	16.00
Chandrasiri, P K		1471	SRI	0.00	1	-0.10	40	-4.00
Piyarthne, Movindu Lushan		1319	SRI	0.00	1	-0.22	40	-8.80
* 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)

Sri Lanka Women's National Amateur Chess Championship 2019			Colombo		SRI	2019-12-19
Rc	Ro			w	n	change	K	*Kchg**	Game
1237	1103			1.00	6	-1.02	40	-40.80

Dassanayake, Tharusha Samadhi		1373	SRI	0.00	1	-0.17	40	-6.80
Jayatilaka, W M M Amodya		1422	SRI	0.50	1	0.37	40	14.80
Jayasinghe, Miyuni Thisanya		1090	SRI	0.50	1	-0.02	40	-0.80
Jayasinghe, Thenugi Dilanya		1256	SRI	0.00	1	-0.30	40	-12.00
Sandanayake, Nimansa Sasanduni		1217	SRI	0.00	1	-0.34	40	-13.60
Gamage, B K Sayumi Hasithma		1061	SRI	0.00	1	-0.56	40	-22.40
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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