Piyathilaka, Oshadhi Ruwanya May 2019 FIDE Individual Chess Calculations

Rapid: Individual Calculations May 2019

Piyathilaka, Oshadhi Ruwanya Total change: 44.20

Sri Lanka National Youth Rapid Chess Championship 2019 - Under 12 Girls				Colombo		SRI	2019-03-23
Rc	Ro				w	n	change	K	*Kchg**	Game
1169	1048				4.00	6	1.97	20	39.40

Gallage, Chathumi Tharika			1162	SRI	1.00	1	0.66	20	13.20
Weerawardana, Oneli Vihanga			1219	SRI	0.00	1	-0.27	20	-5.40
Wimalasiri, Y G C Kavindi			1150	SRI	0.00	1	-0.36	20	-7.20
Pallie, Ehsha Mishela		wc	1258	SRI	1.00	1	0.77	20	15.40
Amarasena, Senuli Saranya			1057	SRI	1.00	1	0.51	20	10.20
Sandanayake, Dehansa Nisanduni			1167	SRI	1.00	1	0.66	20	13.20
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)

Asian Youth Rapid Chess Championship 2019 - Under 12 Girls				Colombo		SRI	2019-04-02
Rc	Ro				w	n	change	K	*Kchg**	Game
1292	1048				1.50	6	0.24	20	4.80

Huang, Yuen Tung			1288	HKG	1.00	1	0.80	20	16.00
Hajatniya, Reyhaneh			1320	IRI	0.00	1	-0.17	20	-3.40
Sai, Mahati A			1345	IND	0.00	1	-0.15	20	-3.00
Toktobekova, Azema			1168	KGZ	0.00	1	-0.34	20	-6.80
Jannatul, Ferdousi			1448 *	BAN	0.50	1	0.42	20	8.40
Akuratiya, A G Javindi Avarjana			1180	SRI	0.00	1	-0.32	20	-6.40
* 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)

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