Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jannetjies, Z (Zion)

Chess SA id

1090117534

FIDE id

Date of birth

2009-09-14 (U18)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1145.8	1163.6	1120.4	1200
Raw rating	1145.8	1163.6	1120.4	1200
Weighted rating	1145.8	1163.6	1120.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.1	174.6	185.7	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2020-01-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2020-01-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1145.8	1163.6	1120.4	1200
Analysis
Rating	1145.8	1163.6	1120.4	1200
Raw rating	1145.8	1163.6	1120.4	1200
Weighted rating	1145.8	1163.6	1120.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	179.1	174.6	185.7	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	1145.8	1163.6	1120.4	1200
New weighted rating	1145.8	1163.6	1120.4	1200
New weighted performance	0	0	0	0
Temp new rating	1145.8	1163.6	1120.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1145.8	1163.6	1120.4	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
	0	0	0
	0	0	0
History	10	5	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	10	2.5	25	-212.5	1237.2	1024.8
Standard	5	1.5	30	-170	1224.4	1054.4
Rapid	5	1	20	-255	1250.1	995.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1145.8	1163.6	1120.4	1200
2025-09-01	1145.8	1163.6	1120.4	1200
2025-08-01	1145.8	1163.6	1120.4	1200
2025-07-01	1145.8	1163.6	1120.4	1200
2025-06-01	1145.8	1163.6	1120.4	1200
2025-05-01	1145.8	1163.6	1120.4	1200
2025-04-01	1145.8	1163.6	1120.4	1200
2025-03-01	1145.8	1163.6	1120.4	1200
2025-02-01	1145.8	1163.6	1120.4	1200
2025-01-01	1145.8	1163.6	1120.4	1200
2024-12-01	1145.8	1163.6	1120.4	1200
2024-11-01	1145.8	1163.6	1120.4	1200
2024-10-01	1145.8	1163.6	1120.4	1200
2024-09-01	1145.8	1163.6	1120.4	1200
2024-08-01	1145.8	1163.6	1120.4	1200
2024-07-01	1145.8	1163.6	1120.4	1200
2024-06-01	1145.8	1163.6	1120.4	1200
2024-08-01	1145.8	1163.6	1120.4	1200
2024-04-01	1145.8	1163.6	1120.4	1200
2024-03-01	1145.8	1163.6	1120.4	1200
2024-02-01	1145.8	1163.6	1120.4	1200
2024-01-01	1145.8	1163.6	1120.4	1200
2023-12-01	1145.8	1163.6	1120.4	1200
2023-11-01	1145.8	1163.6	1120.4	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	Onder Weskus Prestige 2020 (U11 Boys)	2020-02-15	2020-02-22	Standard	West Coast (WCU)	6	5	1.5	Yes	Analysis
2	Weskus Topskole 2019 (U11)	2019-07-20	2019-07-20	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 0.5
		Opponent Heckor, C (Cairo)				Opponent Murray, M (Matt)
2	1	Tournament Weskus Topskole 2019				Tournament Weskus Topskole 2019
		date 2019-07-20	rnd 2	type Rapid	result 1	date 2019-07-20	rnd 2	type Rapid	result 1
		Opponent Bester, K (Kericheni)				Opponent Bester, K (Kericheni)

#	Games	Start				End
1	2	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 0.5
		Opponent Heckor, C (Cairo)				Opponent Murray, M (Matt)

#	Games	Start				End
1	1	Tournament Weskus Topskole 2019				Tournament Weskus Topskole 2019
		date 2019-07-20	rnd 2	type Rapid	result 1	date 2019-07-20	rnd 2	type Rapid	result 1
		Opponent Bester, K (Kericheni)				Opponent Bester, K (Kericheni)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Heckor, C (Cairo)				Opponent Heckor, C (Cairo)
2	1	Tournament Weskus Topskole 2019				Tournament Weskus Topskole 2019
		date 2019-07-20	rnd 2	type Rapid	result 1	date 2019-07-20	rnd 2	type Rapid	result 1
		Opponent Bester, K (Kericheni)				Opponent Bester, K (Kericheni)

#	Games	Start				End
1	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Heckor, C (Cairo)				Opponent Heckor, C (Cairo)

#	Games	Start				End
1	1	Tournament Weskus Topskole 2019				Tournament Weskus Topskole 2019
		date 2019-07-20	rnd 2	type Rapid	result 1	date 2019-07-20	rnd 2	type Rapid	result 1
		Opponent Bester, K (Kericheni)				Opponent Bester, K (Kericheni)

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	Solomons ,J (Javhian)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Solomons ,J (Javhian)	1	1203	778	1	1204.8	778	0	0	0	0	0	0
2	Davids ,C (Cleverton)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Davids ,C (Cleverton)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Brooks ,L (Lehane)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Brooks ,L (Lehane)	1	1319	894	1	1306.5	894	0	0	0	0	0	0
4	Heckor ,C (Cairo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Heckor ,C (Cairo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Murray ,M (Matt)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Murray ,M (Matt)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	De Klerk ,J (Jason)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	De Klerk ,J (Jason)	1	1260.6	835.6	0	0	0	1	1245.4	835.6	0	0	0
7	Kilroe-Smith ,G (Gabriella)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Kilroe-Smith ,G (Gabriella)	1	1252.3	827.3	0	0	0	1	905.8	827.3	0	0	0
8	Schroeder ,L (Liam)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Schroeder ,L (Liam)	1	1280.7	855.7	0	0	0	1	1258	855.7	0	0	0
9	Bester ,K (Kericheni)	1	1	425	0	0	0	1	1	425	0	0	0
9	Bester ,K (Kericheni)	1	1187	1612	0	0	0	1	1155.6	1612	0	0	0
10	Lu ,DTX (Daniel Ting Xu)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Lu ,DTX (Daniel Ting Xu)	1	1270	845	0	0	0	1	1042.6	845	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Jannetjies, Z (Zion)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms