Chess South Africa Ratings Database

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Personal

Williams, Z (Zane)

Chess SA id

1140313188

FIDE id

Date of birth

2014-09-28 (U12)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-18

Personal details last changed

1900-01-01

Junior GPX Games

12.7

Junior GPX Points

1153

Item	Main	Standard	Rapid	Blitz
Rating	1218.6	1206.9	1199.1	1200
Raw rating	1218.6	1206.9	1199.1	1200
Weighted rating	1210.6	1205.5	1199	1200
Weighted performance	0	0	0	0
Floor	724.2	721.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.5	164.2	166	165.8
Highest rating	1224.2 2025-04-01	1221.3 2025-04-01	1200 2024-11-01	1200 2024-11-01
Highest raw rating	1224.2 2025-04-01	1221.3 2025-04-01	1200 2024-11-01	1200 2024-11-01
Highest weighted rating	1207.3 2025-08-01	1204.5 2025-08-01	1200 2024-11-01	1200 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-11-01	1200 2024-12-01	1200 2024-11-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1218.6	1206.9	1199.1	1200
Analysis
Rating	1218.6	1206.9	1199.1	1200
Raw rating	1218.6	1206.9	1199.1	1200
Weighted rating	1210.6	1205.5	1199
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	724.2	721.3	700	700
Max/Min rating change allowed	161.5	164.2	166	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	1218.6	1206.9	1199.1	1200
New weighted rating	1211.6	1205.7	1199	1200
New weighted performance	0	0	0	0
Temp new rating	1218.6	1206.9	1199.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1218.6	1206.9	1199.1	1200
New K-factor	36	36	36	36
New floor	724.2	721.3	700	700

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

Games since
	Main 16	Standard 11		Rapid 5		Blitz 0
Gender	Male
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	11	5	45.45	-38.6	1298.1	1259.5
Standard	11	5	45.45	-38.6	1298.1	1259.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	7.5	46.88	-26.6	1260.2	1233.6
Standard	11	5	45.45	-38.6	1298.1	1259.5
Rapid	5	2.5	50	0	1176.7	1176.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1218.6	1206.9	1199.1	1200
2025-09-30	1218.6	1206.9	1199.1	1200
2025-09-01	1218.6	1206.9	1199.1	1200
2025-08-01	1218.6	1206.9	1199.1	1200
2025-07-01	1218.6	1206.9	1199.1	1200
2025-06-01	1218.6	1206.9	1199.1	1200
2025-05-01	1224.2	1221.3	1199.1	1200
2025-04-01	1224.2	1221.3	1199.1	1200
2025-03-01	1199.7	1200	1199.1	1200
2025-02-01	1199.6	1200	1198.9	1200
2025-01-01	1198.3	1200	1195.2	1200
2024-12-01	1198.3	1200	1195.2	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	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

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
2	West Coast Schools Chess Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	3	Yes	Analysis
3	Lower West Coast Prestige 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
2	West Coast Schools Chess Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	3	Yes	Analysis
3	Lower West Coast Prestige 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	0	0	No	Analysis
4	West Coast Grand Challange League 2024 (PS Development)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-05-18	rnd 6	type Standard	result 1
		Opponent Titus, M (Michael John)				Opponent Arendse, H (Haygen)
2	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Mqengwana, A (Asonge)				Opponent Don, E (El Deano)
3	2	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Bester, N (Neyma)				Opponent Christiaans, R (Ruwaan)

#	Games	Start				End
1	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-05-18	rnd 6	type Standard	result 1
		Opponent Titus, M (Michael John)				Opponent Arendse, H (Haygen)
2	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Mqengwana, A (Asonge)				Opponent Don, E (El Deano)
3	1	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 6	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Tieties, J (Jomal)				Opponent Tieties, J (Jomal)

#	Games	Start				End
1	2	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Bester, N (Neyma)				Opponent Christiaans, R (Ruwaan)
2	1	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 4	type Rapid	result 0.5	date 2024-10-26	rnd 4	type Rapid	result 0.5
		Opponent Sikhulu, L (Lunje)				Opponent Sikhulu, L (Lunje)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-05-18	rnd 6	type Standard	result 1
		Opponent Titus, M (Michael John)				Opponent Arendse, H (Haygen)
2	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Mqengwana, A (Asonge)				Opponent Don, E (El Deano)
3	2	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Bester, N (Neyma)				Opponent Christiaans, R (Ruwaan)

#	Games	Start				End
1	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-05-18	rnd 6	type Standard	result 1
		Opponent Titus, M (Michael John)				Opponent Arendse, H (Haygen)
2	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Mqengwana, A (Asonge)				Opponent Don, E (El Deano)
3	1	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 6	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Tieties, J (Jomal)				Opponent Tieties, J (Jomal)

#	Games	Start				End
1	2	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Bester, N (Neyma)				Opponent Christiaans, R (Ruwaan)

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	Don ,E (El-Deano)	1	1	425	1	1	425	0	0	0	0	0	0
1	Don ,E (El-Deano)	1	1319.1	1744.1	1	1249.5	1744.1	0	0	0	0	0	0
2	Snyman ,V (Van Zyl)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Snyman ,V (Van Zyl)	1	1505.1	1080.1	1	1382.2	1080.1	0	0	0	0	0	0
3	Titus ,M (Michael John)	1	1	425	1	1	425	0	0	0	0	0	0
3	Titus ,M (Michael John)	1	1260.6	1685.6	1	1198.3	1685.6	0	0	0	0	0	0
4	Wildskut ,R (Reece)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Wildskut ,R (Reece)	1	1216.3	791.3	1	1200	791.3	0	0	0	0	0	0
5	Tieties ,J (Jomal)	1	1	425	1	1	425	0	0	0	0	0	0
5	Tieties ,J (Jomal)	1	1223.1	1648.1	1	1200	1648.1	0	0	0	0	0	0
6	Johnson ,C (Christiano)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Johnson ,C (Christiano)	1	1278.3	853.3	1	1194.2	853.3	0	0	0	0	0	0
7	Mqengwana ,A (Asonge)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mqengwana ,A (Asonge)	1	1199.9	1624.9	1	1200	1624.9	0	0	0	0	0	0
8	Arendse ,H (Haygen)	1	1	425	1	1	425	0	0	0	0	0	0
8	Arendse ,H (Haygen)	1	1261.6	1686.6	1	1215.1	1686.6	0	0	0	0	0	0
9	Arries ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Arries ,E (Ethan)	1	1358.8	933.8	1	1363.4	933.8	0	0	0	0	0	0
10	Verster ,J (Juan Marais)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Verster ,J (Juan Marais)	1	1452.3	1027.3	1	1451.9	1027.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Williams, Z (Zane)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms