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

1081.2

Item	Main	Standard	Rapid	Blitz
Rating	1232.8	1199.7	1286	1200
Raw rating	1194.6	1156.7	1286	1200
Weighted rating	1232.8	1199.7	1263.6	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	-2.4	-3.6	0	0
New rating	1230.5	1196.1	1286	1200
Analysis
Rating	1232.8	1199.7	1286	1200
Raw rating	1194.6	1156.7	1286	1200
Weighted rating	1232.8	1199.7	1263.6
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	1230.5	1196.1	1267.1	1200
New weighted performance	0	0	0	0
Temp new rating	1230.5	1196.1	1286	1200
Temp new rating +/-	-2.4	-3.6	0	0
Final new rating +/-	-2.4	-3.6	0	0
New rating	1230.5	1196.1	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
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
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	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

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

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms