Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kotze, E (Estian)

Chess SA id

1160302601

FIDE id

Date of birth

2016-05-04 (U10)

Gender

Male

Region

Ekurhuleni (GE)

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	1286.5	1205.7	1338.9	1200
Raw rating	1286.5	1205.5	1338.9	1200
Weighted rating	1251.6	1205.7	1283.4	1200
Weighted performance	0	0	0	0
Floor	786.5	707.6	838.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	146.6	164.5	136	165.8
Highest rating	1424.8 2024-04-01	1230.2 2024-09-01	1496.3 2024-04-01	1200 2024-05-01
Highest raw rating	1286.5 2025-09-01	1207.6 2024-10-01	1338.9 2025-09-01	1200 2024-05-01
Highest weighted rating	1258.7 2024-10-01	1205.5 2025-09-01	1293.3 2024-10-01	1200 2024-05-01
Highest weighted performance	1424.8 2024-04-01	1230.2 2024-09-01	1496.3 2024-04-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0.1	0	0
New rating	1286.5	1205.8	1338.9	1200
Analysis
Rating	1286.5	1205.7	1338.9	1200
Raw rating	1286.5	1205.5	1338.9	1200
Weighted rating	1251.6	1205.7	1283.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	786.5	707.6	838.9	700
Max/Min rating change allowed	146.6	164.5	136	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	1286.5	1205.5	1338.9	1200
New weighted rating	1255.3	1205.8	1289.4	1200
New weighted performance	0	0	0	0
Temp new rating	1286.5	1205.8	1338.9	1200
Temp new rating +/-	0	0.1	0	0
Final new rating +/-	0	0.1	0	0
New rating	1286.5	1205.8	1338.9	1200
New K-factor	36	36	36	36
New floor	786.5	707.6	838.9	700

Item	Main	Standard	Rapid
	0	0	0
	12	4	8
	9	4	5
	0	0	0
	0	0	0
	0	0	0
History	21	8	13

Games since
	Main 21	Standard 8		Rapid 13		Blitz 0
Gender	Male
Age group	U10
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	12	8	66.67	141.7	1258.1	1399.8
Standard	4	1.5	37.5	-106.2	1308.4	1202.2
Rapid	8	6.5	81.25	265.6	1233	1498.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	21	14	66.67	141.7	1250.6	1392.3
Standard	8	3.5	43.75	-53.1	1275.7	1222.5
Rapid	13	10.5	80.77	261.5	1235.2	1496.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1286.5	1205.5	1338.9	1200
2025-09-30	1286.5	1205.5	1338.9	1200
2025-09-01	1286.5	1205.5	1338.9	1200
2025-08-01	1258.7	1207.6	1293.3	1200
2025-07-01	1258.7	1207.6	1293.3	1200
2025-06-01	1240.6	1207.6	1266.4	1200
2025-05-01	1240.6	1207.6	1266.4	1200
2025-04-01	1240.6	1207.6	1266.4	1200
2025-03-01	1240.6	1207.6	1266.4	1200
2025-02-01	1240.6	1207.6	1266.4	1200
2025-01-01	1240.6	1207.6	1266.4	1200
2024-12-01	1240.6	1207.6	1266.4	1200
2024-11-01	1240.6	1207.6	1266.4	1200
2024-10-01	1240.6	1207.6	1266.4	1200
2024-09-01	1240.3	1200	1266.4	1200
2024-08-01	1240.3	1200	1266.4	1200
2024-07-01	1240.3	1200	1266.4	1200
2024-09-01	1240.3	1200	1266.4	1200
2024-05-01	1240.3	1200	1266.4	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	Ekurhuleni North Schools Teams 2025 (U9)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis
2	Kempton Park Team Clusters LS 2025 (U9)	2025-07-26	2025-07-26	Rapid	Ekurhuleni (GE)	5	3	3	Yes	Analysis
3	Kemptonpark School Cluster 2025 (U9)	2025-06-07	2025-06-07	Rapid	Ekurhuleni (GE)	5	5	3.5	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 (U9)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis
2	Kempton Park Team Clusters LS 2025 (U9)	2025-07-26	2025-07-26	Rapid	Ekurhuleni (GE)	5	3	3	Yes	Analysis
3	Kemptonpark School Cluster 2025 (U9)	2025-06-07	2025-06-07	Rapid	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
4	Ekurhuleni North Schools Finals - Teams 2024 (U9 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
5	Kempton Park Cluster Teams League 2024 (U9A)	2024-04-13	2024-04-13	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis

#	Games	Start				End
1	8	Tournament Kemptonpark School Cluster 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Barnard, N (Nicolaas)				Opponent Mtshabe, L (Lethabo)
2	3	Tournament Kempton Park Cluster Teams League 2024				Tournament Kempton Park Cluster Teams League 2024
		date 2024-04-13	rnd 3	type Rapid	result 1	date 2024-04-13	rnd 5	type Rapid	result 1
		Opponent Chisango, M (Melissa)				Opponent Negota, R (Rialivhuwa)
3	2	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, L (Lian)				Opponent Zungu, S (Sbani Madoda)

#	Games	Start				End
1	3	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Teams 2025
		date 2024-08-03	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, L (Lian)				Opponent Mtshabe, L (Lethabo)
2	1	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 0.5	date 2025-08-16	rnd 3	type Standard	result 0.5
		Opponent Taljaard, W (Waldo)				Opponent Taljaard, W (Waldo)

#	Games	Start				End
1	7	Tournament Kemptonpark School Cluster 2025				Tournament Kempton Park Team Clusters LS 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Barnard, N (Nicolaas)				Opponent Benjamin, L (Liyabona)
2	3	Tournament Kempton Park Cluster Teams League 2024				Tournament Kempton Park Cluster Teams League 2024
		date 2024-04-13	rnd 3	type Rapid	result 1	date 2024-04-13	rnd 5	type Rapid	result 1
		Opponent Chisango, M (Melissa)				Opponent Negota, R (Rialivhuwa)
3	1	Tournament Kempton Park Cluster Teams League 2024				Tournament Kempton Park Cluster Teams League 2024
		date 2024-04-13	rnd 1	type Rapid	result 1	date 2024-04-13	rnd 1	type Rapid	result 1
		Opponent Masekela, L (Lepato)				Opponent Masekela, L (Lepato)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Kemptonpark School Cluster 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-06-07	rnd 4	type Rapid	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Khanyile, A (Azande)				Opponent Mtshabe, L (Lethabo)
2	3	Tournament Kempton Park Cluster Teams League 2024				Tournament Kempton Park Cluster Teams League 2024
		date 2024-04-13	rnd 3	type Rapid	result 1	date 2024-04-13	rnd 5	type Rapid	result 1
		Opponent Chisango, M (Melissa)				Opponent Negota, R (Rialivhuwa)
3	2	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, L (Lian)				Opponent Zungu, S (Sbani Madoda)

#	Games	Start				End
1	3	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Teams 2025
		date 2024-08-03	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, L (Lian)				Opponent Mtshabe, L (Lethabo)

#	Games	Start				End
1	5	Tournament Kemptonpark School Cluster 2025				Tournament Kempton Park Team Clusters LS 2025
		date 2025-06-07	rnd 4	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Khanyile, A (Azande)				Opponent Benjamin, L (Liyabona)
2	3	Tournament Kempton Park Cluster Teams League 2024				Tournament Kempton Park Cluster Teams League 2024
		date 2024-04-13	rnd 3	type Rapid	result 1	date 2024-04-13	rnd 5	type Rapid	result 1
		Opponent Chisango, M (Melissa)				Opponent Negota, R (Rialivhuwa)
3	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 2	type Rapid	result 1
		Opponent Barnard, N (Nicolaas)				Opponent Barnard, N (Nicolaas)

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	Benjamin ,L (Liyabona)	2	1	0	1	0	-425	1	1	425	0	0	0
1	Benjamin ,L (Liyabona)	2	1440.2	1440.2	1	1442	1015.2	1	1313.9	1865.2	0	0	0
2	Masekela ,L (Lepato)	2	1	0	1	0	-425	1	1	425	0	0	0
2	Masekela ,L (Lepato)	2	1311.6	1311.6	1	1360	886.6	1	1215.5	1736.6	0	0	0
3	Zungu ,S (Sbani Madoda)	1	1	425	1	1	425	0	0	0	0	0	0
3	Zungu ,S (Sbani Madoda)	1	1214	1639	1	1211.6	1639	0	0	0	0	0	0
4	Van Der Merwe ,L (Lian)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Der Merwe ,L (Lian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Deetlefs ,A (Alexia)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Deetlefs ,A (Alexia)	1	1394.1	969.1	1	1296.5	969.1	0	0	0	0	0	0
6	Mtshabe ,L (Lethabo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mtshabe ,L (Lethabo)	1	1199.4	1624.4	1	1199.3	1624.4	0	0	0	0	0	0
7	Taljaard ,W (Waldo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Taljaard ,W (Waldo)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Majola ,N (Nobuntu)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Majola ,N (Nobuntu)	1	1201.7	776.7	1	1198.4	776.7	0	0	0	0	0	0
9	Carrack ,S (Stephen)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Carrack ,S (Stephen)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Vermeulen ,G (Gabrielle)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Vermeulen ,G (Gabrielle)	1	1184.6	1184.6	0	0	0	1	1174.3	1184.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Kotze, E (Estian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms