Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ryk, S (Sergio)

Chess SA id

1040108693

FIDE id

Date of birth

2004-11-22 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1169.3	1200	1155.6	1200
Raw rating	1169.3	1200	1155.6	1200
Weighted rating	1169.3	1200	1155.6	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.2	165.8	176.6	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2024-03-01	1200 2018-02-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2024-03-01	1200 2018-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1169.3	1200	1155.6	1200
Analysis
Rating	1169.3	1200	1155.6	1200
Raw rating	1169.3	1200	1155.6	1200
Weighted rating	1169.3	1200	1155.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173.2	165.8	176.6	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1169.3	1200	1155.6	1200
New weighted rating	1169.3	1200	1155.6	1200
New weighted performance	0	0	0	0
Temp new rating	1169.3	1200	1155.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1169.3	1200	1155.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	17	17

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	17	8	47.06	-25	1136.7	1111.7
Standard	0	0	0	0	0	0
Rapid	17	8	47.06	-25	1136.7	1111.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1169.3	1200	1155.6	1200
2025-09-01	1169.3	1200	1155.6	1200
2025-08-01	1169.3	1200	1155.6	1200
2025-07-01	1169.3	1200	1155.6	1200
2025-06-01	1169.3	1200	1155.6	1200
2025-05-01	1169.3	1200	1155.6	1200
2025-04-01	1169.3	1200	1155.6	1200
2025-03-01	1169.3	1200	1155.6	1200
2025-02-01	1169.3	1200	1155.6	1200
2025-01-01	1169.3	1200	1155.6	1200
2024-12-01	1169.3	1200	1155.6	1200
2024-11-01	1169.3	1200	1155.6	1200
2024-10-01	1169.3	1200	1155.6	1200
2024-09-01	1169.3	1200	1155.6	1200
2024-08-01	1169.3	1200	1155.6	1200
2024-07-01	1169.3	1200	1155.6	1200
2024-06-01	1169.3	1200	1155.6	1200
2024-08-01	1169.3	1200	1155.6	1200
2024-04-01	1169.3	1200	1155.6	1200
2024-03-01	1169.3	1200	1155.6	1200
2024-02-01	1169.3	1200	1155.6	1200
2024-01-01	1169.3	1200	1155.6	1200
2023-12-01	1169.3	1200	1155.6	1200
2023-11-01	1169.3	1200	1155.6	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Robertson Chess 2020 (U19)	2020-03-07	2020-03-07	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Cape Winelands Schools Trials 1 2020 (U18 Boys)	2020-02-15	2020-02-15	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
3	CW Schools Open 2019 (U15 Boys)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Robertson Chess 2020
		date 2020-02-15	rnd 5	type Rapid	result 1	date 2020-03-07	rnd 1	type Rapid	result 1
		Opponent Du Plessis, A (Aj)				Opponent Friesland, A (Ashwin)
2	2	Tournament Robertson Chess 2020				Tournament Robertson Chess 2020
		date 2020-03-07	rnd 3	type Rapid	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent George, C (Cornelius)				Opponent Kuhn, J (Jp)
3	2	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Lakey, D (Danillo)				Opponent Falla, C (Cole)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Robertson Chess 2020
		date 2020-02-15	rnd 5	type Rapid	result 1	date 2020-03-07	rnd 1	type Rapid	result 1
		Opponent Du Plessis, A (Aj)				Opponent Friesland, A (Ashwin)
2	2	Tournament Robertson Chess 2020				Tournament Robertson Chess 2020
		date 2020-03-07	rnd 3	type Rapid	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent George, C (Cornelius)				Opponent Kuhn, J (Jp)
3	2	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Lakey, D (Danillo)				Opponent Falla, C (Cole)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Robertson Chess 2020
		date 2020-02-15	rnd 5	type Rapid	result 1	date 2020-03-07	rnd 1	type Rapid	result 1
		Opponent Du Plessis, A (Aj)				Opponent Friesland, A (Ashwin)
2	2	Tournament Robertson Chess 2020				Tournament Robertson Chess 2020
		date 2020-03-07	rnd 3	type Rapid	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent George, C (Cornelius)				Opponent Kuhn, J (Jp)
3	2	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Lakey, D (Danillo)				Opponent Falla, C (Cole)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Robertson Chess 2020
		date 2020-02-15	rnd 5	type Rapid	result 1	date 2020-03-07	rnd 1	type Rapid	result 1
		Opponent Du Plessis, A (Aj)				Opponent Friesland, A (Ashwin)
2	2	Tournament Robertson Chess 2020				Tournament Robertson Chess 2020
		date 2020-03-07	rnd 3	type Rapid	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent George, C (Cornelius)				Opponent Kuhn, J (Jp)
3	2	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Lakey, D (Danillo)				Opponent Falla, C (Cole)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Lakey ,D (Danillo)	1	1	425	0	0	0	1	1	425	0	0	0
1	Lakey ,D (Danillo)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
2	Mitchell ,R (Raynard)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Mitchell ,R (Raynard)	1	1313.5	888.5	0	0	0	1	1297.8	888.5	0	0	0
3	Oerson ,M (Marcello)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Oerson ,M (Marcello)	1	1112.9	687.9	0	0	0	1	1122.4	687.9	0	0	0
4	Cupido ,D (Dominique)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Cupido ,D (Dominique)	1	1200	775	0	0	0	1	1200	775	0	0	0
5	Speelman ,M (Marcelino)	1	1	425	0	0	0	1	1	425	0	0	0
5	Speelman ,M (Marcelino)	1	1218.9	1643.9	0	0	0	1	1188.8	1643.9	0	0	0
6	Mvulo ,L (Lulamile)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Mvulo ,L (Lulamile)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Snyman ,A (Alex)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Snyman ,A (Alex)	1	966.5	541.5	0	0	0	1	904	541.5	0	0	0
8	Du Plessis ,A (Aj)	1	1	425	0	0	0	1	1	425	0	0	0
8	Du Plessis ,A (Aj)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Fortuin ,P (Pierre-Reid)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Fortuin ,P (Pierre-Reid)	1	838.2	413.2	0	0	0	1	833.2	413.2	0	0	0
10	Falla ,C (Cole)	1	1	425	0	0	0	1	1	425	0	0	0
10	Falla ,C (Cole)	1	1149.1	1574.1	0	0	0	1	1116.8	1574.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Ryk, S (Sergio)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms