Wickramaarachchi, Nayanaka Insara February 2023 FIDE Individual Chess Calculations

Individual Calculations February 2023

Wickramaarachchi, Nayanaka Insara Total change: -74.40

Ethugalpura Open International Rating Chess Championships 2022			Kurunegala		SRI	2022-12-20
Rc	Ro			w	n	change	K	*Kchg**	Game
1293	1440			5.00	8	-0.50	31	-15.50

Wadduwage, Thamindu Upeksha		1135	SRI	1.00	1	0.14	31	4.34
Fernando, W K B Thumula Theekshan		1213	SRI	1.00	1	0.21	31	6.51
Adansooriya, B A		1326	SRI	1.00	1	0.34	31	10.54
De Silva, Osheen		1763	SRI	0.00	1	-0.13	31	-4.03
De Silva, Wijemuni Yomesh Lakshan		1237	SRI	0.50	1	-0.26	31	-8.06
Hansada, J G Disindu		1335	SRI	0.50	1	-0.14	31	-4.34
Thilakaratna, B A Thevindu Kenula		1202	SRI	0.50	1	-0.30	31	-9.30
Wickramarathne, D Jehan Randil		1133	SRI	0.50	1	-0.36	31	-11.16
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)

Kandy Open International Rating Chess Championships 2022			Kandy		SRI	2022-12-27
Rc	Ro			w	n	change	K	*Kchg**	Game
1306	1440			5.50	8	0.17	31	5.27

Kularathne, Induni Ushadi		1148	SRI	1.00	1	0.15	31	4.65
Sugathadasa, Sasiru Hansana		1132	SRI	0.50	1	-0.36	31	-11.16
Weerathunga, W A S H		1137	SRI	0.50	1	-0.36	31	-11.16
Rajanayake, Damsara Bandara		1160	SRI	1.00	1	0.16	31	4.96
Pathirage, Yukitha Kenula Perera		1153	SRI	1.00	1	0.16	31	4.96
Dahanayake, Isara Banidu	c	1852	SRI	0.00	1	-0.07	31	-2.17
Siriwardene, R B Bihandu Janandit		1040 *	SRI	1.00	1	0.08	31	2.48
Wijekoon, Chandana	c	1823	SRI	0.50	1	0.41	31	12.71
* 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)

Kaluthara International Chess Festival 2023			Kaluthara		SRI	2023-01-20
Rc	Ro			w	n	change	K	*Kchg**	Game
1374	1440			1.50	6	-2.07	31	-64.17

Perera, B Jayod Yasindu Rashmika		1153	SRI	0.50	1	-0.34	31	-10.54
Alahakoon, Isuru	f	1925	SRI	0.50	1	0.46	31	14.26
Jayaweera, Y		1709	SRI	0.00	1	-0.17	31	-5.27
Nanayakkara, M M		1169	SRI	0.50	1	-0.33	31	-10.23
Thalgaswatta, Adeesha Denuwan		1203	SRI	0.00	1	-0.80	31	-24.80
Premathilaka, W P P G Sampath		1083	SRI	0.00	1	-0.89	31	-27.59
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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