Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oncke, R (Ralph)

Chess SA id

1010096237

FIDE id

Date of birth

2001-05-20 (Adult)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-02-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1037.3	1045.6	1111.2	1036
Raw rating	1037.3	1045.6	1111.2	1036
Weighted rating	1037.3	1045.6	1111.2	1036
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	209.1	206.6	188.2	209.5
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01
Highest weighted performance	1200 2024-12-01	1200 2018-02-01	1200 2018-02-01	1200 2024-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1037.3	1045.6	1111.2	1036
Analysis
Rating	1037.3	1045.6	1111.2	1036
Raw rating	1037.3	1045.6	1111.2	1036
Weighted rating	1037.3	1045.6	1111.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	209.1	206.6	188.2	209.5
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	1037.3	1045.6	1111.2	1036
New weighted rating	1037.3	1045.6	1111.2	1036
New weighted performance	0	0	0	0
Temp new rating	1037.3	1045.6	1111.2	1036
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1037.3	1045.6	1111.2	1036
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	23	5	8	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	West Coast (WCU)
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	23	5	21.74	-240.2	1058.6	818.4
Standard	5	0	0	-425	917.7	492.7
Rapid	8	3	37.5	-106.2	1097.7	991.4
Blitz	10	2	20	-255	1097.7	842.7

Date	Main	Standard	Rapid	Blitz
2025-11-01	1037.3	1045.6	1111.2	1036
2025-09-30	1037.3	1045.6	1111.2	1036
2025-09-01	1037.3	1045.6	1111.2	1036
2025-08-01	1037.3	1045.6	1111.2	1036
2025-07-01	1037.3	1045.6	1111.2	1036
2025-06-01	1037.3	1045.6	1111.2	1036
2025-05-01	1037.3	1045.6	1111.2	1036
2025-04-01	1037.3	1045.6	1111.2	1036
2025-03-01	1037.3	1045.6	1111.2	1036
2025-02-01	1037.3	1045.6	1111.2	1036
2025-01-01	1037.3	1045.6	1111.2	1036
2024-12-01	1037.3	1045.6	1111.2	1036
2024-11-01	1037.3	1045.6	1111.2	1036
2024-10-01	1037.3	1045.6	1111.2	1036
2024-09-01	1037.3	1045.6	1111.2	1036
2024-08-01	1037.3	1045.6	1111.2	1036
2024-07-01	1037.3	1045.6	1111.2	1036
2024-09-01	1037.3	1045.6	1111.2	1036
2024-05-01	1037.3	1045.6	1111.2	1036
2024-04-01	1037.3	1045.6	1111.2	1036
2024-03-01	1037.3	1045.6	1111.2	1036
2024-02-01	1037.3	1045.6	1111.2	1036
2024-01-01	1037.3	1045.6	1111.2	1036
2023-12-01	1037.3	1045.6	1111.2	1036

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	Onder-Weskus Skole Proewe 2019 (O18 Seuns)	2019-02-16	2019-02-23	Rapid	West Coast (WCU)	8	8	3	Yes	Analysis
2	West Coast Blits Invitational 2018 (Junior)	2018-10-27	2018-10-27	Blitz	West Coast (WCU)	5	5	1	Yes	Analysis
3	West Coast Schools Prestige Individual Championship 2018 (U18 Boys)	2018-03-10	2018-03-24	Standard	West Coast (WCU)	6	5	0	Yes	Analysis
4	Mykonos Blitz U8 (Adult)	2018-02-04	2018-02-04	Blitz	West Coast (WCU)	5	1	0	Yes	Analysis
5	Mykonos Blitz U8 (U14+U16)	2018-02-04	2018-02-04	Blitz	West Coast (WCU)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 5	type Rapid	result 1	date 2019-02-23	rnd 6	type Rapid	result 1
		Opponent Louw, J (Jayron)				Opponent Jonkers, D (Devan)
2	1	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 1	type Rapid	result 1	date 2019-02-16	rnd 1	type Rapid	result 1
		Opponent Hendricks, M (Marquin)				Opponent Hendricks, M (Marquin)
3	1	Tournament West Coast Blits Invitational 2018				Tournament West Coast Blits Invitational 2018
		date 2018-10-27	rnd 2	type Blitz	result 1	date 2018-10-27	rnd 2	type Blitz	result 1
		Opponent Farmer, J (Jaydean)				Opponent Farmer, J (Jaydean)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 5	type Rapid	result 1	date 2019-02-23	rnd 6	type Rapid	result 1
		Opponent Louw, J (Jayron)				Opponent Jonkers, D (Devan)
2	1	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 1	type Rapid	result 1	date 2019-02-16	rnd 1	type Rapid	result 1
		Opponent Hendricks, M (Marquin)				Opponent Hendricks, M (Marquin)

#	Games	Start				End
1	1	Tournament West Coast Blits Invitational 2018				Tournament West Coast Blits Invitational 2018
		date 2018-10-27	rnd 2	type Blitz	result 1	date 2018-10-27	rnd 2	type Blitz	result 1
		Opponent Farmer, J (Jaydean)				Opponent Farmer, J (Jaydean)
2	1	Tournament Mykonos Blitz U8				Tournament Mykonos Blitz U8
		date 2018-02-04	rnd 3	type Blitz	result 1	date 2018-02-04	rnd 3	type Blitz	result 1
		Opponent Swartz, C (Chrisneto)				Opponent Swartz, C (Chrisneto)

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 5	type Rapid	result 1	date 2019-02-23	rnd 6	type Rapid	result 1
		Opponent Louw, J (Jayron)				Opponent Jonkers, D (Devan)
2	1	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 1	type Rapid	result 1	date 2019-02-16	rnd 1	type Rapid	result 1
		Opponent Hendricks, M (Marquin)				Opponent Hendricks, M (Marquin)
3	1	Tournament West Coast Blits Invitational 2018				Tournament West Coast Blits Invitational 2018
		date 2018-10-27	rnd 2	type Blitz	result 1	date 2018-10-27	rnd 2	type Blitz	result 1
		Opponent Farmer, J (Jaydean)				Opponent Farmer, J (Jaydean)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 5	type Rapid	result 1	date 2019-02-23	rnd 6	type Rapid	result 1
		Opponent Louw, J (Jayron)				Opponent Jonkers, D (Devan)
2	1	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 1	type Rapid	result 1	date 2019-02-16	rnd 1	type Rapid	result 1
		Opponent Hendricks, M (Marquin)				Opponent Hendricks, M (Marquin)

#	Games	Start				End
1	1	Tournament West Coast Blits Invitational 2018				Tournament West Coast Blits Invitational 2018
		date 2018-10-27	rnd 2	type Blitz	result 1	date 2018-10-27	rnd 2	type Blitz	result 1
		Opponent Farmer, J (Jaydean)				Opponent Farmer, J (Jaydean)
2	1	Tournament Mykonos Blitz U8				Tournament Mykonos Blitz U8
		date 2018-02-04	rnd 3	type Blitz	result 1	date 2018-02-04	rnd 3	type Blitz	result 1
		Opponent Swartz, C (Chrisneto)				Opponent Swartz, C (Chrisneto)

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	Noemdoe ,E (Edgar)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Noemdoe ,E (Edgar)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Dirks ,D (Divan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Dirks ,D (Divan)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Lesch ,K (Keano)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Lesch ,K (Keano)	1	875.4	450.4	1	873.8	450.4	0	0	0	0	0	0
4	Carolus ,C (Chadwin)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Carolus ,C (Chadwin)	1	780.1	355.1	1	774.4	355.1	0	0	0	0	0	0
5	Claassen ,K (Keith)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Claassen ,K (Keith)	1	533.2	108.2	1	533.2	108.2	0	0	0	0	0	0
6	Jonkers ,D (Devan)	1	1	425	0	0	0	1	1	425	0	0	0
6	Jonkers ,D (Devan)	1	1125.3	1550.3	0	0	0	1	1200	1550.3	0	0	0
7	Eygelaar ,FC (Fc)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Eygelaar ,FC (Fc)	1	1044.5	619.5	0	0	0	1	844	619.5	0	0	0
8	Richards ,E (Elijah)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Richards ,E (Elijah)	1	1005.8	580.8	0	0	0	1	1099.2	580.8	0	0	0
9	Louw ,J (Jayron)	1	1	425	0	0	0	1	1	425	0	0	0
9	Louw ,J (Jayron)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Kok ,C (Craig)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Kok ,C (Craig)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Oncke, R (Ralph)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms