Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Zyl, J (Janu)

Chess SA id

1040131909

FIDE id

Date of birth

2004-01-01 (Adult)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-07-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1106.2	1149.6	1080	1200
Raw rating	1106.2	1149.6	1080	1200
Weighted rating	1106.2	1149.6	1080	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	189.5	178.2	196.7	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	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 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1106.2	1149.6	1080	1200
Analysis
Rating	1106.2	1149.6	1080	1200
Raw rating	1106.2	1149.6	1080	1200
Weighted rating	1106.2	1149.6	1080
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	189.5	178.2	196.7	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	1106.2	1149.6	1080	1200
New weighted rating	1106.2	1149.6	1080	1200
New weighted performance	0	0	0	0
Temp new rating	1106.2	1149.6	1080	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1106.2	1149.6	1080	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	7	3	4
	0	0	0
History	17	9	8

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	17	6	35.29	-125	1094.2	969.2
Standard	9	4.5	50	0	1064.3	1064.3
Rapid	8	1.5	18.75	-265.6	1127.8	862.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1106.2	1149.6	1080	1200
2025-09-30	1106.2	1149.6	1080	1200
2025-09-01	1106.2	1149.6	1080	1200
2025-08-01	1106.2	1149.6	1080	1200
2025-07-01	1106.2	1149.6	1080	1200
2025-06-01	1106.2	1149.6	1080	1200
2025-05-01	1106.2	1149.6	1080	1200
2025-04-01	1106.2	1149.6	1080	1200
2025-03-01	1106.2	1149.6	1080	1200
2025-02-01	1106.2	1149.6	1080	1200
2025-01-01	1106.2	1149.6	1080	1200
2024-12-01	1106.2	1149.6	1080	1200
2024-11-01	1106.2	1149.6	1080	1200
2024-10-01	1106.2	1149.6	1080	1200
2024-09-01	1106.2	1149.6	1080	1200
2024-08-01	1106.2	1149.6	1080	1200
2024-07-01	1106.2	1149.6	1080	1200
2024-09-01	1106.2	1149.6	1080	1200
2024-05-01	1106.2	1149.6	1080	1200
2024-04-01	1106.2	1149.6	1080	1200
2024-03-01	1106.2	1149.6	1080	1200
2024-02-01	1106.2	1149.6	1080	1200
2024-01-01	1106.2	1149.6	1080	1200
2023-12-01	1106.2	1149.6	1080	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	Pedro Booyse Top Schools 2022 (U18 Open)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	6	3	2	Yes	Analysis
2	Bo-Weskus Top Skole 2022 (Hoerskool)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	5	4	1.5	Yes	Analysis
3	West Coast Schools Prestige 2020 (U18+U20 Boys)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
4	Bo-Weskus Skole Prestige 2020 (O18+O20 Seuns)	2020-02-15	2020-02-15	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Bo-Weskus Top Skole 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-07-23	rnd 1	type Standard	result 1
		Opponent Beyers, S (Shireen)				Opponent Williams, V (Vogan)
2	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 0.5
		Opponent Maarman, E (Elverno)				Opponent Lane, T (Teshwil)
3	1	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 3	type Standard	result 1	date 2022-07-23	rnd 3	type Standard	result 1
		Opponent Melloy, G (Graham)				Opponent Melloy, G (Graham)

#	Games	Start				End
1	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 0.5
		Opponent Maarman, E (Elverno)				Opponent Lane, T (Teshwil)
2	1	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 3	type Standard	result 1	date 2022-07-23	rnd 3	type Standard	result 1
		Opponent Melloy, G (Graham)				Opponent Melloy, G (Graham)
3	1	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 1	type Standard	result 1	date 2022-07-23	rnd 1	type Standard	result 1
		Opponent Williams, V (Vogan)				Opponent Williams, V (Vogan)

#	Games	Start				End
1	1	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 4	type Rapid	result 1
		Opponent Beyers, S (Shireen)				Opponent Beyers, S (Shireen)
2	1	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-06-11	rnd 2	type Rapid	result 0.5	date 2022-06-11	rnd 2	type Rapid	result 0.5
		Opponent Hendriks, G (Guavante)				Opponent Hendriks, G (Guavante)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bo-Weskus Top Skole 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-07-23	rnd 1	type Standard	result 1
		Opponent Beyers, S (Shireen)				Opponent Williams, V (Vogan)
2	1	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 3	type Standard	result 1	date 2022-07-23	rnd 3	type Standard	result 1
		Opponent Melloy, G (Graham)				Opponent Melloy, G (Graham)
3	1	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 4	type Standard	result 1
		Opponent Maarman, E (Elverno)				Opponent Maarman, E (Elverno)

#	Games	Start				End
1	1	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 3	type Standard	result 1	date 2022-07-23	rnd 3	type Standard	result 1
		Opponent Melloy, G (Graham)				Opponent Melloy, G (Graham)
2	1	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 1	type Standard	result 1	date 2022-07-23	rnd 1	type Standard	result 1
		Opponent Williams, V (Vogan)				Opponent Williams, V (Vogan)
3	1	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 4	type Standard	result 1
		Opponent Maarman, E (Elverno)				Opponent Maarman, E (Elverno)

#	Games	Start				End
1	1	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 4	type Rapid	result 1
		Opponent Beyers, S (Shireen)				Opponent Beyers, S (Shireen)

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	Maarman ,E (Elverno)	1	1	425	1	1	425	0	0	0	0	0	0
1	Maarman ,E (Elverno)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Skippers ,M (Mario)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Skippers ,M (Mario)	1	1189.1	764.1	1	1181.2	764.1	0	0	0	0	0	0
3	Melloy ,G (Graham)	1	1	425	1	1	425	0	0	0	0	0	0
3	Melloy ,G (Graham)	1	618.1	1043.1	1	522.8	1043.1	0	0	0	0	0	0
4	Lane ,T (Teshwil)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Lane ,T (Teshwil)	1	736.4	736.4	1	773.6	736.4	0	0	0	0	0	0
5	September ,C (Carltin)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	September ,C (Carltin)	1	1110.9	685.9	1	1058	685.9	0	0	0	0	0	0
6	Hogan ,L (Lee)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Hogan ,L (Lee)	1	1148.3	723.3	1	1114.4	723.3	0	0	0	0	0	0
7	Landu ,S (Somila)	1	1	425	1	1	425	0	0	0	0	0	0
7	Landu ,S (Somila)	1	1127.1	1552.1	1	1142.4	1552.1	0	0	0	0	0	0
8	Williams ,V (Vogan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Williams ,V (Vogan)	1	1234.5	1659.5	1	1228.6	1659.5	0	0	0	0	0	0
9	De Bruin ,J (Juan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	De Bruin ,J (Juan)	1	1214.5	789.5	1	1189.2	789.5	0	0	0	0	0	0
10	Hendriks ,G (Guavante)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Hendriks ,G (Guavante)	1	1200	1200	0	0	0	1	1200	1200	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Van Zyl, J (Janu)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms