Chess South Africa Ratings Database

PLAYER PAGE

Personal

Clarke, G (Gerrith)

Chess SA id

1110311865

FIDE id

Date of birth

2011-06-11 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1225.7	1189.4	1286	1200
Raw rating	1194.6	1156.7	1286	1200
Weighted rating	1225.7	1189.4	1273.1	1200
Weighted performance	0	0	0	0
Floor	770	714	786	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.1	176.4	146.7	165.8
Highest rating	1353.2 2024-10-01	1268.9 2024-10-01	1549.6 2024-10-01	1200 2024-10-01
Highest raw rating	1270 2024-11-01	1214 2024-11-01	1286 2024-11-01	1200 2024-10-01
Highest weighted rating	1270 2025-05-05	1214 2025-05-05	1255.9 2025-08-01	1200 2024-10-01
Highest weighted performance	1353.2 2024-10-01	1268.9 2024-10-01	1549.6 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.3	-3.1	0	0
New rating	1223.4	1186.3	1286	1200
Analysis
Rating	1225.7	1189.4	1286	1200
Raw rating	1194.6	1156.7	1286	1200
Weighted rating	1225.7	1189.4	1273.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	770	714	786	700
Max/Min rating change allowed	167.1	176.4	146.7	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	1194.6	1156.7	1286	1200
New weighted rating	1223.4	1186.3	1275.7	1200
New weighted performance	0	0	0	0
Temp new rating	1223.4	1186.3	1286	1200
Temp new rating +/-	-2.3	-3.1	0	0
Final new rating +/-	-2.3	-3.1	0	0
New rating	1223.4	1186.3	1286	1200
New K-factor	36	36	36	36
New floor	770	714	786	700

Item	Main	Standard	Rapid
	0	0	0
	10	10	0
	10	5	5
	0	0	0
	0	0	0
	0	0	0
History	20	15	5

Games since
	Main 20	Standard 15		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	10	2	20	-255	1237.8	982.8
Standard	10	2	20	-255	1237.8	982.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	9	45	-42.5	1252	1209.5
Standard	15	4.5	30	-170	1249.7	1079.7
Rapid	5	4.5	90	340	1258.9	1598.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1194.6	1156.7	1286	1200
2025-11-30	1194.6	1156.7	1286	1200
2025-11-01	1194.6	1156.7	1286	1200
2025-09-30	1194.6	1156.7	1286	1200
2025-09-01	1194.6	1156.7	1286	1200
2025-08-01	1237.6	1207.2	1286	1200
2025-07-01	1236.3	1206.7	1286	1200
2025-06-01	1233.9	1203.3	1286	1200
2025-05-01	1270	1214	1286	1200
2025-04-01	1270	1214	1286	1200
2025-03-01	1270	1214	1286	1200
2025-02-01	1270	1214	1286	1200
2025-01-01	1270	1214	1286	1200
2024-12-01	1270	1214	1286	1200
2024-11-01	1270	1214	1286	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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	Ekurhuleni North Schools Teams 2025 (U17 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
2	Benoni High School Cluster 2025 (U17)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
3	Wits Young Kudu 2024 (Primary School)	2024-09-14	2024-09-14	Rapid	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
4	Gauteng Top Schools 2024 (U13 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Wits Young Kudu 2024				Tournament Gauteng Top Schools 2024
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-10-04	rnd 2	type Standard	result 1
		Opponent Mbatha, L (Leona)				Opponent Viviers, W (Wiaan)
2	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Stritter, R (Robert)				Opponent Stritter, R (Robert)
3	1	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Motsopi, P (Pitso)				Opponent Motsopi, P (Pitso)

#	Games	Start				End
1	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 1	type Standard	result 0.5	date 2024-10-04	rnd 2	type Standard	result 1
		Opponent Chitsamba, L (Liezel)				Opponent Viviers, W (Wiaan)
2	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Stritter, R (Robert)				Opponent Stritter, R (Robert)
3	1	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Motsopi, P (Pitso)				Opponent Motsopi, P (Pitso)

#	Games	Start				End
1	5	Tournament Wits Young Kudu 2024				Tournament Wits Young Kudu 2024
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 5	type Rapid	result 1
		Opponent Mbatha, L (Leona)				Opponent Mashigo, R (Relebohile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Wits Young Kudu 2024				Tournament Wits Young Kudu 2024
		date 2024-09-14	rnd 4	type Rapid	result 1	date 2024-09-14	rnd 5	type Rapid	result 1
		Opponent Padi, K (Karabo)				Opponent Mashigo, R (Relebohile)
2	2	Tournament Wits Young Kudu 2024				Tournament Wits Young Kudu 2024
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 2	type Rapid	result 1
		Opponent Mbatha, L (Leona)				Opponent Madi, N (Nokukhany)
3	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Stritter, R (Robert)				Opponent Stritter, R (Robert)

#	Games	Start				End
1	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Stritter, R (Robert)				Opponent Stritter, R (Robert)
2	1	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Motsopi, P (Pitso)				Opponent Motsopi, P (Pitso)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 5	type Standard	result 1	date 2024-10-04	rnd 5	type Standard	result 1
		Opponent Agbugba, M (Michael)				Opponent Agbugba, M (Michael)

#	Games	Start				End
1	2	Tournament Wits Young Kudu 2024				Tournament Wits Young Kudu 2024
		date 2024-09-14	rnd 4	type Rapid	result 1	date 2024-09-14	rnd 5	type Rapid	result 1
		Opponent Padi, K (Karabo)				Opponent Mashigo, R (Relebohile)
2	2	Tournament Wits Young Kudu 2024				Tournament Wits Young Kudu 2024
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 2	type Rapid	result 1
		Opponent Mbatha, L (Leona)				Opponent Madi, N (Nokukhany)

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	Agbugba ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
1	Agbugba ,M (Michael)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Stritter ,R (Robert)	1	1	425	1	1	425	0	0	0	0	0	0
2	Stritter ,R (Robert)	1	1166.6	1591.6	1	1178.7	1591.6	0	0	0	0	0	0
3	Huebsch ,J (Jessica)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Huebsch ,J (Jessica)	1	1262.5	837.5	1	1277.6	837.5	0	0	0	0	0	0
4	Motsopi ,P (Pitso)	1	1	425	1	1	425	0	0	0	0	0	0
4	Motsopi ,P (Pitso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Makhubalo ,OT (Olwethu Thembelihle)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Makhubalo ,OT (Olwethu Thembelihle)	1	1187.9	762.9	1	1181.2	762.9	0	0	0	0	0	0
6	Marais ,J (Janike)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Marais ,J (Janike)	1	1262.1	837.1	1	1241.3	837.1	0	0	0	0	0	0
7	Van der Merwe ,D (Dylan Roelof)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van der Merwe ,D (Dylan Roelof)	1	1199.9	774.9	1	1199.8	774.9	0	0	0	0	0	0
8	Petersen ,J (Jamie)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Petersen ,J (Jamie)	1	1169.8	744.8	1	1159.2	744.8	0	0	0	0	0	0
9	Chitsamba ,L (Liezel)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Chitsamba ,L (Liezel)	1	1403.2	1403.2	1	1399.1	1403.2	0	0	0	0	0	0
10	Viviers ,W (Wiaan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Viviers ,W (Wiaan)	1	1265.5	1690.5	1	1249.3	1690.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Clarke, G (Gerrith)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms