Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Bosch, J (Janlou)

Chess SA id

104087129

FIDE id

Date of birth

2004-01-23 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1165.7	1131.8	1215.2	1200
Raw rating	1165.7	1131.8	1215.2	1200
Weighted rating	1165.7	1131.8	1215.2	1200
Weighted performance	169.9	0	0	0
Floor	723.6	720	715.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	174.1	182.7	162.3	165.8
Highest rating	1281.5 2018-03-01	1280.8 2018-03-01	1215.2 2024-02-01	1200 2018-10-01
Highest raw rating	1223.6 2019-03-01	1220 2018-04-01	1215.2 2024-02-01	1200 2024-02-01
Highest weighted rating	1223.6 2019-04-01	1220 2019-04-01	1215.2 2024-02-01	1200 2018-10-01
Highest weighted performance	1281.5 2018-03-01	1280.8 2018-03-01	1210.4 2019-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1165.7	1131.8	1215.2	1200
Analysis
Rating	1165.7	1131.8	1215.2	1200
Raw rating	1165.7	1131.8	1215.2	1200
Weighted rating	1165.7	1131.8	1215.2
Weighted performance	169.9	0	0
K-factor	36	36	36	36
Floor	723.6	720	715.2	700
Max/Min rating change allowed	174.1	182.7	162.3	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	1165.7	1131.8	1215.2	1200
New weighted rating	1165.7	1131.8	1215.2	1200
New weighted performance	162.5	0	0	0
Temp new rating	1165.7	1131.8	1215.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1165.7	1131.8	1215.2	1200
New K-factor	36	36	36	36
New floor	723.6	720	715.2	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	40	27	13

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	29	15.5	53.45	29.3	1152.2	1181.5
Standard	21	10.5	50	0	1156.4	1156.4
Rapid	8	5	62.5	106.2	1141.3	1247.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1165.7	1131.8	1215.2	1200
2025-11-30	1165.7	1131.8	1215.2	1200
2025-11-01	1165.7	1131.8	1215.2	1200
2025-09-30	1165.7	1131.8	1215.2	1200
2025-09-01	1165.7	1131.8	1215.2	1200
2025-08-01	1165.7	1131.8	1215.2	1200
2025-07-01	1165.7	1131.8	1215.2	1200
2025-06-01	1165.7	1131.8	1215.2	1200
2025-05-01	1165.7	1131.8	1215.2	1200
2025-04-01	1165.7	1131.8	1215.2	1200
2025-03-01	1165.7	1131.8	1215.2	1200
2025-02-01	1165.7	1131.8	1215.2	1200
2025-01-01	1165.7	1131.8	1215.2	1200
2024-12-01	1165.7	1131.8	1215.2	1200
2024-11-01	1165.7	1131.8	1215.2	1200
2024-10-01	1165.7	1131.8	1215.2	1200
2024-09-01	1165.7	1131.8	1215.2	1200
2024-11-01	1165.7	1131.8	1215.2	1200
2024-07-01	1165.7	1131.8	1215.2	1200
2024-06-01	1165.7	1131.8	1215.2	1200
2024-05-01	1165.7	1131.8	1215.2	1200
2024-04-01	1165.7	1131.8	1215.2	1200
2024-03-01	1165.7	1131.8	1215.2	1200
2024-02-01	1165.7	1131.8	1215.2	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 Schools Individuals 2019 (U15 Boys)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	5	1	Yes	Analysis
2	West Coast Open 2019 (C)	2019-04-27	2019-04-27	Standard	West Coast (WCU)	5	4	3	Yes	Analysis
3	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O15 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
4	Onder-Weskus Skole Proewe 2019 (O15 Seuns)	2019-02-16	2019-02-23	Rapid	West Coast (WCU)	8	8	5	Yes	Analysis
5	West Coast Schools Prestige Individual Championship 2018 (U15 Boys)	2018-03-10	2018-03-24	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament Onder-Weskus Skole Proewe 2019
		date 2018-03-10	rnd 4	type Standard	result 1	date 2019-02-16	rnd 2	type Rapid	result 1
		Opponent Jacobs, D (Duwayne)				Opponent Van Der Ventel, T (Thurston)
2	3	Tournament Onder-Weskus Skole Proewe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-02-23	rnd 7	type Rapid	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Prins, J (Jemile)				Opponent Shoshola, J (Jesurun)
3	2	Tournament West Coast Open 2019				Tournament West Coast Open 2019
		date 2019-04-27	rnd 4	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Carolus, C (Chadwin)				Opponent Ocks, K (Keano)

#	Games	Start				End
1	4	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2018-03-10	rnd 4	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Jacobs, D (Duwayne)				Opponent Shoshola, J (Jesurun)
2	2	Tournament West Coast Open 2019				Tournament West Coast Open 2019
		date 2019-04-27	rnd 4	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Carolus, C (Chadwin)				Opponent Ocks, K (Keano)
3	2	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 3	type Standard	result 1	date 2019-04-06	rnd 4	type Standard	result 1
		Opponent Lenee, M (Mel-Lee)				Opponent Ghall, D (Devan)

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 7	type Rapid	result 1	date 2019-02-23	rnd 8	type Rapid	result 1
		Opponent Prins, J (Jemile)				Opponent Billet, E (Ethan)
2	2	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 2	type Rapid	result 1
		Opponent Pieters, A (Aiden)				Opponent Van Der Ventel, T (Thurston)
3	1	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 4	type Rapid	result 1	date 2019-02-16	rnd 4	type Rapid	result 1
		Opponent Saal, J (Jadan)				Opponent Saal, J (Jadan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Onder-Weskus Skole Proewe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-02-23	rnd 7	type Rapid	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Prins, J (Jemile)				Opponent Shoshola, J (Jesurun)
2	3	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament Onder-Weskus Skole Proewe 2019
		date 2018-03-24	rnd 6	type Standard	result 1	date 2019-02-16	rnd 2	type Rapid	result 1
		Opponent Wildschut, B (Bradley)				Opponent Van Der Ventel, T (Thurston)
3	2	Tournament West Coast Open 2019				Tournament West Coast Open 2019
		date 2019-04-27	rnd 4	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Carolus, C (Chadwin)				Opponent Ocks, K (Keano)

#	Games	Start				End
1	2	Tournament West Coast Open 2019				Tournament West Coast Open 2019
		date 2019-04-27	rnd 4	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Carolus, C (Chadwin)				Opponent Ocks, K (Keano)
2	2	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 3	type Standard	result 1	date 2019-04-06	rnd 4	type Standard	result 1
		Opponent Lenee, M (Mel-Lee)				Opponent Ghall, D (Devan)
3	2	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2018-03-24	rnd 6	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Wildschut, B (Bradley)				Opponent Shoshola, J (Jesurun)

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 7	type Rapid	result 1	date 2019-02-23	rnd 8	type Rapid	result 1
		Opponent Prins, J (Jemile)				Opponent Billet, E (Ethan)
2	2	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 2	type Rapid	result 1
		Opponent Pieters, A (Aiden)				Opponent Van Der Ventel, T (Thurston)
3	1	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 4	type Rapid	result 1	date 2019-02-16	rnd 4	type Rapid	result 1
		Opponent Saal, J (Jadan)				Opponent Saal, J (Jadan)

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	Van Nelson ,M (Melchizedek)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Van Nelson ,M (Melchizedek)	2	1193.1	768.1	1	1189.2	768.1	1	1059.2	768.1	0	0	0
2	Cloete ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Cloete ,K (Kyle)	1	1052.5	627.5	1	991	627.5	0	0	0	0	0	0
3	Van Wyk ,L (Layron)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Wyk ,L (Layron)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Duiker ,P (Phillip)	1	1	425	1	1	425	0	0	0	0	0	0
4	Duiker ,P (Phillip)	1	1212.1	1637.1	1	1166.9	1637.1	0	0	0	0	0	0
5	Carolus ,C (Chadwin)	1	1	425	1	1	425	0	0	0	0	0	0
5	Carolus ,C (Chadwin)	1	865.8	1290.8	1	878.4	1290.8	0	0	0	0	0	0
6	Lenee ,M (Mel-Lee)	1	1	425	1	1	425	0	0	0	0	0	0
6	Lenee ,M (Mel-Lee)	1	1187	1612	1	1200	1612	0	0	0	0	0	0
7	Witbooi ,C (Cobie)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Witbooi ,C (Cobie)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Wildschut ,B (Bradley)	1	1	425	1	1	425	0	0	0	0	0	0
8	Wildschut ,B (Bradley)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Marais ,C (Cobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Marais ,C (Cobus)	1	1082.5	657.5	1	1102	657.5	0	0	0	0	0	0
10	Skippers ,C (Christiaan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Skippers ,C (Christiaan)	1	1200	1200	1	1200	1200	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Van Bosch, J (Janlou)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms