Riedstra, Symon February 2023 FIDE Individual Chess Calculations

Individual Calculations February 2023

Riedstra, Symon Total change: 13.60

Chessfestival Groningen 2022 Compact				Groningen		NED	2022-12-26
Rc	Ro				w	n	change	K	*Kchg**	Game
1623	1606				2.50	4	0.59	40	23.60

De Ridder, Henk			1656	NED	0.50	1	0.07	40	2.80
Hoogeveen, Luuk			1645	NED	0.00	1	-0.45	40	-18.00
Gijsbers, Joop			1553	NED	1.00	1	0.43	40	17.20
Hofstee, Piet			1636	NED	1.00	1	0.54	40	21.60
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)

CN 2. divisao 2022-23 r.1				Clubes		POR	2023-01-07
Rc	Ro				w	n	change	K	*Kchg**	Game
1802	1524				0.00	1	-0.17	40	-6.80

Silva, Ana Ines Teixeira Da		wf	1802	POR	0.00	1	-0.17	40	-6.80
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
Taca de Portugal 2022-23 r.2				clubes		POR	2023-01-14
Rc	Ro				w	n	change	K	*Kchg**	Game
2048	1524				0.00	1	-0.03	20	-0.60

Pintor, Simao Maciel Abranches			2048	POR	0.00	1	-0.03	20	-0.60
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
Taca AXP 2022-23 qf				dist. Porto		POR	2023-01-22
Rc	Ro				w	n	change	K	*Kchg**	Game
1843	1524				0.00	1	-0.13	20	-2.60

Fernandes, Francisco Justo Dos			1843	POR	0.00	1	-0.13	20	-2.60
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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