Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Zyl, J (Juane)

Chess SA id

205044741

FIDE id

Date of birth

2005-07-24 (Adult)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-06-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1300.5	1277.4	1100.4	1065.2
Raw rating	1300.5	1277.4	1100.4	1065.2
Weighted rating	1300.5	1277.4	1100.4	1065.2
Weighted performance	540	539.1	0	0
Floor	908.8	899.8	600.4	565.2
K-factor	32	40	40	40
Min/Max rating change allowed	143.7	148.5	191.1	200.9
Highest rating	1423.9 2019-10-01	1414.9 2019-10-01	1200 2018-01-01	1200 2024-02-01
Highest raw rating	1408.8 2019-12-01	1399.8 2019-12-01	1100.4 2024-02-01	1065.2 2024-02-01
Highest weighted rating	1408.8 2021-06-01	1399.8 2021-05-01	1100.4 2024-11-01	1065.2 2024-11-01
Highest weighted performance	1423.9 2019-10-01	1414.9 2019-10-01	1200 2018-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1300.5	1277.4	1100.4	1065.2
Analysis
Rating	1300.5	1277.4	1100.4	1065.2
Raw rating	1300.5	1277.4	1100.4	1065.2
Weighted rating	1300.5	1277.4	1100.4
Weighted performance	540	539.1	0
K-factor	32	40	40	40
Floor	908.8	899.8	600.4	565.2
Max/Min rating change allowed	143.7	148.5	191.1	200.9
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	1300.5	1277.4	1100.4	1065.2
New weighted rating	1300.5	1277.4	1100.4	1065.2
New weighted performance	539.6	538.7	0	0
Temp new rating	1300.5	1277.4	1100.4	1065.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1300.5	1277.4	1100.4	1065.2
New K-factor	32	40	40	40
New floor	908.8	899.8	600.4	565.2

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	10	10	0
	0	0	0
History	437	411	26

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-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	185	122.5	66.22	137.8	1092.9	1230.7
Standard	180	117.5	65.28	129.9	1099.3	1229.2
Rapid	5	5	100	425	862.7	1287.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1300.5	1277.4	1100.4	1065.2
2025-09-01	1300.5	1277.4	1100.4	1065.2
2025-08-01	1300.5	1277.4	1100.4	1065.2
2025-07-01	1300.5	1277.4	1100.4	1065.2
2025-06-01	1300.5	1277.4	1100.4	1065.2
2025-05-01	1300.5	1277.4	1100.4	1065.2
2025-04-01	1300.5	1277.4	1100.4	1065.2
2025-03-01	1300.5	1277.4	1100.4	1065.2
2025-02-01	1300.5	1277.4	1100.4	1065.2
2025-01-01	1300.5	1277.4	1100.4	1065.2
2024-12-01	1300.5	1277.4	1100.4	1065.2
2024-11-01	1300.5	1277.4	1100.4	1065.2
2024-10-01	1300.5	1277.4	1100.4	1065.2
2024-09-01	1300.5	1277.4	1100.4	1065.2
2024-08-01	1300.5	1277.4	1100.4	1065.2
2024-07-01	1300.5	1277.4	1100.4	1065.2
2024-06-01	1300.5	1277.4	1100.4	1065.2
2024-08-01	1300.5	1277.4	1100.4	1065.2
2024-04-01	1300.5	1277.4	1100.4	1065.2
2024-03-01	1300.5	1277.4	1100.4	1065.2
2024-02-01	1300.5	1277.4	1100.4	1065.2
2024-01-01	1300.5	1277.4	1100.4	1065.2
2023-12-01	1300.5	1277.4	1100.4	1065.2
2023-11-01	1300.5	1277.4	1100.4	1065.2

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	Sparticus 2 2022 (A)	2022-06-17	2022-06-17	Standard	Gert Sibande (MGS)	5	5	3	Yes	Analysis
2	Sparticus 1 2022 (A)	2022-04-09	2022-04-09	Standard	Gert Sibande (MGS)	5	5	3.5	Yes	Analysis
3	Springs Chess Club Open 2020 (B)	2020-01-25	2020-01-25	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
4	2019 Wild Card Chess Championship (U16 Girls)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
5	2019 South African Junior Team Championships (U16-U20 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
6	Trichardt 3 2019 (A)	2019-10-12	2019-10-12	Standard	Gert Sibande (MGS)	5	5	3	Yes	Analysis
7	GE vs GSV Inter Regional 2019 (U16B)	2019-10-26	2019-10-26	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
8	Ekurhuleni Grand Prix 2019 (B)	2019-09-14	2019-09-14	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
9	COMMONWEALTH CHESS CHAMPIONSHIP-2019	2019-07-01	2019-07-07	Standard	India (IND)	7	6	2	Yes	Analysis
10	Sparticus 4 2019 (A)	2019-07-20	2019-07-20	Standard	Gert Sibande (MGS)	5	4	2	Yes	Analysis
11	Boksburg Chess Club Open 2019 (B)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
12	Ekurhuleni Trials (3)	2019-06-08	2019-06-08	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
13	Primrose Chess Club Open 2019 (B)	2019-04-13	2019-04-13	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
14	Ekurhuleni Trials 2 2019 (U16)	2019-04-27	2019-04-27	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
15	Ekurhuleni Trials 1 2019 (U16)	2019-03-09	2019-03-09	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
16	2019 South African Junior Closed Chess Championship (U14 Girls)	2019-03-17	2019-03-22	Standard	Chess South Africa (CSA)	9	9	5	Yes	Analysis
17	Springs Chess Club Open 2019 (B)	2019-02-09	2019-02-09	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
18	Sparticus 1 2019 (A)	2019-01-26	2019-01-26	Standard	Gert Sibande (MGS)	5	5	4.5	Yes	Analysis
19	South African Junior Team Championships 2018 (U16-U20 Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	3	Yes	Analysis
20	Sasol Highveld Open 3 of 2018 (U13)	2018-10-27	2018-10-27	Standard	Gert Sibande (MGS)	5	5	4.5	Yes	Analysis
21	Sparticus 6 2018 (A)	2018-07-21	2018-07-21	Standard	Gert Sibande (MGS)	5	5	4.5	Yes	Analysis
22	Boksburg Chess Club Open 2018 (U16-U20)	2018-07-14	2018-07-14	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
23	Sparticus 5 2018 (A)	2018-06-02	2018-06-02	Standard	Gert Sibande (MGS)	5	5	3	Yes	Analysis
24	Sparticus 4 2018	2018-05-12	2018-05-12	Standard	Gert Sibande (MGS)	5	5	5	Yes	Analysis
25	2018 Super 12 (Senior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	5	Yes	Analysis
26	Sparticus 3 2018 (A)	2018-04-14	2018-04-14	Standard	Gert Sibande (MGS)	5	5	3.5	Yes	Analysis
27	2018 Capablanca Swiss (C)	2018-04-27	2018-04-29	Standard	Tshwane (GTP)	7	7	5	Yes	Analysis
28	Standerton Chess Club 1st Tournament 2018 (A)	2018-03-17	2018-03-17	Standard	Gert Sibande (MGS)	5	5	3.5	Yes	Analysis
29	Sparticus 2 2018 (A)	2018-03-10	2018-03-10	Standard	Gert Sibande (MGS)	5	5	4.5	Yes	Analysis
30	2018 Waterkloof Open (C)	2018-03-03	2018-03-04	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
31	Sparticus 1 2018 (A)	2018-02-17	2018-02-17	Standard	Gert Sibande (MGS)	5	5	5	Yes	Analysis
32	Elspark Open 2018 (C)	2018-02-10	2018-02-10	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
33	South African Junior Wildcard Championships 2017 (U14 Girls)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
34	South African Junior Team Championships 2017 (U14C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	15	Tournament 2018 Capablanca Swiss				Tournament Sparticus 5 2018
		date 2018-04-28	rnd 5	type Standard	result 1	date 2018-06-02	rnd 2	type Standard	result 1
		Opponent Nel, Z (Zander)				Opponent Moloisane, T (Thato)
2	12	Tournament Boksburg Chess Club Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-07-14	rnd 5	type Standard	result 0.5	date 2018-12-16	rnd 1	type Standard	result 1
		Opponent Tarafdar, S (Shamama)				Opponent Fourie, EM (Elzette)
3	12	Tournament Elspark Open 2018				Tournament 2018 Waterkloof Open
		date 2018-02-10	rnd 2	type Standard	result 1	date 2018-03-03	rnd 3	type Standard	result 1
		Opponent Cronje, H (Hanrique)				Opponent Potgieter, E (Edward)

#	Games	Start				End
1	12	Tournament Boksburg Chess Club Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-07-14	rnd 5	type Standard	result 0.5	date 2018-12-16	rnd 1	type Standard	result 1
		Opponent Tarafdar, S (Shamama)				Opponent Fourie, EM (Elzette)
2	12	Tournament Elspark Open 2018				Tournament 2018 Waterkloof Open
		date 2018-02-10	rnd 2	type Standard	result 1	date 2018-03-03	rnd 3	type Standard	result 1
		Opponent Cronje, H (Hanrique)				Opponent Potgieter, E (Edward)
3	11	Tournament 2019 South African Junior Team Championships				Tournament Springs Chess Club Open 2020
		date 2020-01-08	rnd 7	type Standard	result 0.5	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Thamaga, O (Olerato)				Opponent Labuschagne, I (Ivan)

#	Games	Start				End
1	5	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Olivier, R (Ruben)				Opponent Winter, AAA (Abraham Adriaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	15	Tournament 2018 Capablanca Swiss				Tournament Sparticus 5 2018
		date 2018-04-28	rnd 5	type Standard	result 1	date 2018-06-02	rnd 2	type Standard	result 1
		Opponent Nel, Z (Zander)				Opponent Moloisane, T (Thato)
2	9	Tournament Elspark Open 2018				Tournament 2018 Waterkloof Open
		date 2018-02-10	rnd 5	type Standard	result 1	date 2018-03-03	rnd 3	type Standard	result 1
		Opponent Hanekom, D (Dewan)				Opponent Potgieter, E (Edward)
3	7	Tournament Sparticus 6 2018				Tournament Sasol Highveld Open 3 of 2018
		date 2018-07-21	rnd 3	type Standard	result 1	date 2018-10-27	rnd 4	type Standard	result 1
		Opponent Bester, FS (Franco)				Opponent Dludlu, NS (Nkululeko)

#	Games	Start				End
1	10	Tournament 2018 Capablanca Swiss				Tournament Sparticus 5 2018
		date 2018-04-28	rnd 5	type Standard	result 1	date 2018-06-02	rnd 2	type Standard	result 1
		Opponent Nel, Z (Zander)				Opponent Moloisane, T (Thato)
2	9	Tournament Elspark Open 2018				Tournament 2018 Waterkloof Open
		date 2018-02-10	rnd 5	type Standard	result 1	date 2018-03-03	rnd 3	type Standard	result 1
		Opponent Hanekom, D (Dewan)				Opponent Potgieter, E (Edward)
3	7	Tournament Sparticus 6 2018				Tournament Sasol Highveld Open 3 of 2018
		date 2018-07-21	rnd 3	type Standard	result 1	date 2018-10-27	rnd 4	type Standard	result 1
		Opponent Bester, FS (Franco)				Opponent Dludlu, NS (Nkululeko)

#	Games	Start				End
1	5	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Olivier, R (Ruben)				Opponent Winter, AAA (Abraham Adriaan)

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	Agre ,SS (Shraddha)	5	1.5	-170	5	1.5	-170	0	0	0	0	0	0
1	Agre ,SS (Shraddha)	5	1176.4	1006.4	5	1181.5	1006.4	0	0	0	0	0	0
2	Bester ,FS (Franco)	5	5	425	5	5	425	0	0	0	0	0	0
2	Bester ,FS (Franco)	5	948.1	1373.1	5	957.2	1373.1	0	0	0	0	0	0
3	Govindasamy ,K (Kyle)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
3	Govindasamy ,K (Kyle)	3	1054.1	912.4	3	1051.5	912.4	0	0	0	0	0	0
4	Loring ,M (Michael James)	3	3	425	3	3	425	0	0	0	0	0	0
4	Loring ,M (Michael James)	3	1110.4	1535.4	3	1094.7	1535.4	0	0	0	0	0	0
5	Higgins ,F (Franco)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
5	Higgins ,F (Franco)	3	1271.3	1271.3	3	1268.8	1271.3	0	0	0	0	0	0
6	Masemeni ,K (Keabetswe)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
6	Masemeni ,K (Keabetswe)	3	1111.2	827.9	3	1104.1	827.9	0	0	0	0	0	0
7	Dreyer ,WJ (Wynand Johannes)	3	3	425	3	3	425	0	0	0	0	0	0
7	Dreyer ,WJ (Wynand Johannes)	3	973	1398	3	972.7	1398	0	0	0	0	0	0
8	Pieters ,QL (Quintin Lodewyk)	3	3	425	3	3	425	0	0	0	0	0	0
8	Pieters ,QL (Quintin Lodewyk)	3	887.8	1312.8	3	892.3	1312.8	0	0	0	0	0	0
9	Schoeman ,S (Sane)	2	1	0	2	1	0	0	0	0	0	0	0
9	Schoeman ,S (Sane)	2	1150.9	1150.9	2	1152.9	1150.9	0	0	0	0	0	0
10	Viljoen ,CT (Cailtin Tiffany)	2	2	425	2	2	425	0	0	0	0	0	0
10	Viljoen ,CT (Cailtin Tiffany)	2	516.2	941.2	2	519.6	941.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Van Zyl, J (Juane)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms