Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kerwath, Z (Zachary)

Chess SA id

1140193288

FIDE id

Date of birth

2014-08-04 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1188.5	1163.3	1258.4	1200
Raw rating	1188.5	1163.3	1258.4	1200
Weighted rating	1187.2	1158.8	1249.6	1200
Weighted performance	0	0	0	0
Floor	716.8	700	758.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	168.6	174.7	152.6	165.8
Highest rating	1368.4 2024-07-01	1200 2024-02-01	1639.5 2024-07-01	1200 2024-02-01
Highest raw rating	1216.8 2024-08-01	1200 2024-02-01	1258.4 2024-08-01	1200 2024-02-01
Highest weighted rating	1216.8 2024-02-01	1200 2024-02-01	1258.4 2024-10-01	1200 2024-02-01
Highest weighted performance	1368.4 2024-07-01	1200 2024-12-01	1639.5 2024-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1188.5	1163.3	1258.4	1200
Analysis
Rating	1188.5	1163.3	1258.4	1200
Raw rating	1188.5	1163.3	1258.4	1200
Weighted rating	1187.2	1158.8	1249.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	716.8	700	758.4	700
Max/Min rating change allowed	168.6	174.7	152.6	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	1188.5	1163.3	1258.4	1200
New weighted rating	1187.2	1158.6	1251.4	1200
New weighted performance	0	0	0	0
Temp new rating	1188.5	1163.3	1258.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1188.5	1163.3	1258.4	1200
New K-factor	36	36	36	36
New floor	716.8	700	758.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	14	11	3
	0	0	0
	0	0	0
	0	0	0
History	14	11	3

Games since
	Main 14	Standard 11		Rapid 3		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
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	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	14	6	42.86	-60.7	1232.1	1171.4
Standard	11	3	27.27	-193.2	1251.9	1058.7
Rapid	3	3	100	425	1159.6	1584.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1188.5	1163.3	1258.4	1200
2025-09-01	1188.5	1163.3	1258.4	1200
2025-08-01	1188.5	1163.3	1258.4	1200
2025-07-01	1188.5	1163.3	1258.4	1200
2025-06-01	1188.5	1163.3	1258.4	1200
2025-05-01	1188.5	1163.3	1258.4	1200
2025-04-01	1188.5	1163.3	1258.4	1200
2025-03-01	1188.5	1163.3	1258.4	1200
2025-02-01	1187.6	1161.4	1258.4	1200
2025-01-01	1171.7	1122	1258.4	1200
2024-12-01	1171.7	1122	1258.4	1200
2024-11-01	1171.7	1122	1258.4	1200
2024-10-01	1171.7	1122	1258.4	1200
2024-09-01	1216.8	1173.2	1258.4	1200
2024-08-01	1216.8	1173.2	1258.4	1200
2024-07-01	1183.7	1173.2	1200	1200
2024-06-01	1183.7	1173.2	1200	1200
2024-08-01	1183.7	1173.2	1200	1200
2024-04-01	1183.7	1173.2	1200	1200
2024-03-01	1183.7	1173.2	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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 Top Schools Championship 2024 (U11 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	1	Yes	Analysis
2	CT Metro Central District Top Schools 2024 (U11 Mixed)	2024-07-27	2024-07-27	Rapid	Cape Town (WCT)	5	3	3	Yes	Analysis
3	CT Metro Central District Schools Chess Individuals Trials 2024 (U11 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Williams, A (Anele)				Opponent Mthuti, M (Miyuyo)
2	1	Tournament Western Cape Top Schools Championship 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-08-30	rnd 2	type Standard	result 1	date 2024-08-30	rnd 2	type Standard	result 1
		Opponent Africa, F (Faithlynn)				Opponent Africa, F (Faithlynn)
3	1	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Zembete, L (Lunga)				Opponent Zembete, L (Lunga)

#	Games	Start				End
1	1	Tournament Western Cape Top Schools Championship 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-08-30	rnd 2	type Standard	result 1	date 2024-08-30	rnd 2	type Standard	result 1
		Opponent Africa, F (Faithlynn)				Opponent Africa, F (Faithlynn)
2	1	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Williams, A (Anele)				Opponent Williams, A (Anele)
3	1	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Zembete, L (Lunga)				Opponent Zembete, L (Lunga)

#	Games	Start				End
1	3	Tournament CT Metro Central District Top Schools 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Mashua, R (Rorisang)				Opponent Mthuti, M (Miyuyo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Williams, A (Anele)				Opponent Mthuti, M (Miyuyo)
2	1	Tournament Western Cape Top Schools Championship 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-08-30	rnd 2	type Standard	result 1	date 2024-08-30	rnd 2	type Standard	result 1
		Opponent Africa, F (Faithlynn)				Opponent Africa, F (Faithlynn)
3	1	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Zembete, L (Lunga)				Opponent Zembete, L (Lunga)

#	Games	Start				End
1	1	Tournament Western Cape Top Schools Championship 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-08-30	rnd 2	type Standard	result 1	date 2024-08-30	rnd 2	type Standard	result 1
		Opponent Africa, F (Faithlynn)				Opponent Africa, F (Faithlynn)
2	1	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Williams, A (Anele)				Opponent Williams, A (Anele)
3	1	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Zembete, L (Lunga)				Opponent Zembete, L (Lunga)

#	Games	Start				End
1	3	Tournament CT Metro Central District Top Schools 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Mashua, R (Rorisang)				Opponent Mthuti, M (Miyuyo)

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	Africa ,F (Faithlynn)	1	1	425	1	1	425	0	0	0	0	0	0
1	Africa ,F (Faithlynn)	1	1362.4	1787.4	1	1376	1787.4	0	0	0	0	0	0
2	Williams ,A (Anele)	1	1	425	1	1	425	0	0	0	0	0	0
2	Williams ,A (Anele)	1	1209.1	1634.1	1	1200	1634.1	0	0	0	0	0	0
3	Manentsa ,K (Kungawo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Manentsa ,K (Kungawo)	1	1173.8	748.8	1	1089.2	748.8	0	0	0	0	0	0
4	Zembete ,L (Lunga)	1	1	425	1	1	425	0	0	0	0	0	0
4	Zembete ,L (Lunga)	1	1195.9	1620.9	1	1200	1620.9	0	0	0	0	0	0
5	Mputing ,T (Thando)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mputing ,T (Thando)	1	1194.1	769.1	1	1158.3	769.1	0	0	0	0	0	0
6	Du Preez ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Du Preez ,C (Christiaan)	1	1307.3	882.3	1	1271.4	882.3	0	0	0	0	0	0
7	Mainprize ,R (Ramsey)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mainprize ,R (Ramsey)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Tesselaar ,M (Mc)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Tesselaar ,M (Mc)	1	1089.2	664.2	1	1115.6	664.2	0	0	0	0	0	0
9	Wiggill ,H (Handre)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Wiggill ,H (Handre)	1	1357.8	932.8	1	1302.2	932.8	0	0	0	0	0	0
10	James ,S (Sarah-Jane)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	James ,S (Sarah-Jane)	1	1404.9	979.9	1	1404.7	979.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Kerwath, Z (Zachary)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms