Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Rooyen, J (Johannes Christiaan)

Chess SA id

1120193251

FIDE id

Date of birth

2012-09-11 (U14)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-06-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1159.1	1189.5	1143	1200
Raw rating	1159.1	1189.5	1143	1200
Weighted rating	1154.1	1188.3	1136	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	175.8	168.3	179.8	165.8
Highest rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1159.1	1189.5	1143	1200
Analysis
Rating	1159.1	1189.5	1143	1200
Raw rating	1159.1	1189.5	1143	1200
Weighted rating	1154.1	1188.3	1136
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	175.8	168.3	179.8	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	1159.1	1189.5	1143	1200
New weighted rating	1154.1	1188.4	1136	1200
New weighted performance	0	0	0	0
Temp new rating	1159.1	1189.5	1143	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1159.1	1189.5	1143	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	16	5	11
	0	0	0
	0	0	0
	0	0	0
History	16	5	11

Games since
	Main 16	Standard 5		Rapid 11		Blitz 0
Gender	Male
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	16	5	31.25	-159.4	1211.2	1051.8
Standard	5	2	40	-85	1246.6	1161.6
Rapid	11	3	27.27	-193.2	1195.1	1001.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1159.1	1189.5	1143	1200
2025-09-30	1159.1	1189.5	1143	1200
2025-09-01	1159.1	1189.5	1143	1200
2025-08-01	1159.1	1189.5	1143	1200
2025-07-01	1159.1	1189.5	1143	1200
2025-06-01	1159.1	1189.5	1143	1200
2025-05-01	1159.1	1189.5	1143	1200
2025-04-01	1159.1	1189.5	1143	1200
2025-03-01	1159.1	1189.5	1143	1200
2025-02-01	1158.2	1189.4	1141.7	1200
2025-01-01	1131.5	1184.8	1103.2	1200
2024-12-01	1131.5	1184.8	1103.2	1200
2024-11-01	1131.5	1184.8	1103.2	1200
2024-10-01	1131.5	1184.8	1103.2	1200
2024-09-01	1131.5	1184.8	1103.2	1200
2024-08-01	1131.5	1184.8	1103.2	1200
2024-07-01	1131.5	1184.8	1103.2	1200
2024-09-01	1176.4	1184.8	1172.4	1200
2024-05-01	1176.4	1184.8	1172.4	1200
2024-04-01	1176.4	1184.8	1172.4	1200
2024-03-01	1182	1200	1172.4	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Boys)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	6	6	1	Yes	Analysis
2	Overberg Schools - PS Closed 2024 (U13 Boys)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
3	Overberg Swellendam Primary Schools Zone Trails Region 2 2024 (U13)	2024-02-10	2024-02-10	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 2	type Standard	result 1	date 2024-03-16	rnd 3	type Standard	result 1
		Opponent Boes, D (Daylan)				Opponent Horne, A (Armandt)
2	1	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Western Cape - Brian Raubenheimer Development Tournament 2024
		date 2024-06-08	rnd 5	type Rapid	result 1	date 2024-06-08	rnd 5	type Rapid	result 1
		Opponent Smith, L (Liam)				Opponent Smith, L (Liam)
3	1	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Oosthuizen, A (Alana)				Opponent Oosthuizen, A (Alana)

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 2	type Standard	result 1	date 2024-03-16	rnd 3	type Standard	result 1
		Opponent Boes, D (Daylan)				Opponent Horne, A (Armandt)

#	Games	Start				End
1	1	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Western Cape - Brian Raubenheimer Development Tournament 2024
		date 2024-06-08	rnd 5	type Rapid	result 1	date 2024-06-08	rnd 5	type Rapid	result 1
		Opponent Smith, L (Liam)				Opponent Smith, L (Liam)
2	1	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Oosthuizen, A (Alana)				Opponent Oosthuizen, A (Alana)
3	1	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 1	type Rapid	result 1
		Opponent Philander, F (Faith)				Opponent Philander, F (Faith)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 2	type Standard	result 1	date 2024-03-16	rnd 3	type Standard	result 1
		Opponent Boes, D (Daylan)				Opponent Horne, A (Armandt)
2	1	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Western Cape - Brian Raubenheimer Development Tournament 2024
		date 2024-06-08	rnd 5	type Rapid	result 1	date 2024-06-08	rnd 5	type Rapid	result 1
		Opponent Smith, L (Liam)				Opponent Smith, L (Liam)
3	1	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Oosthuizen, A (Alana)				Opponent Oosthuizen, A (Alana)

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 2	type Standard	result 1	date 2024-03-16	rnd 3	type Standard	result 1
		Opponent Boes, D (Daylan)				Opponent Horne, A (Armandt)

#	Games	Start				End
1	1	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Western Cape - Brian Raubenheimer Development Tournament 2024
		date 2024-06-08	rnd 5	type Rapid	result 1	date 2024-06-08	rnd 5	type Rapid	result 1
		Opponent Smith, L (Liam)				Opponent Smith, L (Liam)
2	1	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Oosthuizen, A (Alana)				Opponent Oosthuizen, A (Alana)
3	1	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 1	type Rapid	result 1
		Opponent Philander, F (Faith)				Opponent Philander, F (Faith)

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	Horne ,A (Armandt)	2	1	0	1	1	425	1	0	-425	0	0	0
1	Horne ,A (Armandt)	2	1234.4	1234.4	1	1182.8	1659.4	1	1291.8	809.4	0	0	0
2	Scholtz ,F (Francois)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Scholtz ,F (Francois)	1	1221.8	796.8	1	1225	796.8	0	0	0	0	0	0
3	Boes ,D (Daylan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Boes ,D (Daylan)	1	1207.8	1632.8	1	1152.8	1632.8	0	0	0	0	0	0
4	Prinsloo ,J (Jaco)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Prinsloo ,J (Jaco)	1	1282.7	857.7	1	1305	857.7	0	0	0	0	0	0
5	Nceka ,B (Brandon)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Nceka ,B (Brandon)	1	1275.6	850.6	1	1268	850.6	0	0	0	0	0	0
6	Swart ,T (Tayla)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Swart ,T (Tayla)	1	1104.7	679.7	0	0	0	1	1177.6	679.7	0	0	0
7	Van Loggerenberg ,M (Matthys)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Van Loggerenberg ,M (Matthys)	1	1275.3	850.3	0	0	0	1	1200	850.3	0	0	0
8	Philander ,F (Faith)	1	1	425	0	0	0	1	1	425	0	0	0
8	Philander ,F (Faith)	1	1134.5	1559.5	0	0	0	1	1108	1559.5	0	0	0
9	Grundlingh ,A (Andries Machiel)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Grundlingh ,A (Andries Machiel)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Oosthuizen ,A (Alana)	1	1	425	0	0	0	1	1	425	0	0	0
10	Oosthuizen ,A (Alana)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Rooyen, J (Johannes Christiaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms