Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kotze, D (Dewan)

Chess SA id

1160312324

FIDE id

Date of birth

2016-03-18 (U10)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1365.1

Item	Main	Standard	Rapid	Blitz
Rating	1267.5	1279.8	1200	1200
Raw rating	1267.5	1279.8	1200	1200
Weighted rating	1212.3	1215	1200	1200
Weighted performance	0	0	0	0
Floor	767.5	779.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	150.6	148	165.8	165.8
Highest rating	1267.5 2025-11-01	1279.8 2025-11-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1267.5 2025-11-01	1279.8 2025-11-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1212.3 2025-11-01	1215 2025-11-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1267.5	1279.8	1200	1200
Analysis
Rating	1267.5	1279.8	1200	1200
Raw rating	1267.5	1279.8	1200	1200
Weighted rating	1212.3	1215	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	767.5	779.8	700	700
Max/Min rating change allowed	150.6	148	165.8	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	1267.5	1279.8	1200	1200
New weighted rating	1217.2	1220.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1267.5	1279.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1267.5	1279.8	1200	1200
New K-factor	36	36	36	36
New floor	767.5	779.8	700	700

Item	Main	Standard
	0	0
	9	9
	3	3
	0	0
	0	0
	0	0
History	12	12

Games since
	Main 12	Standard 12		Rapid 0		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	9	7	77.78	236.1	1212.6	1448.7
Standard	9	7	77.78	236.1	1212.6	1448.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	8	66.67	141.7	1227.6	1369.3
Standard	12	8	66.67	141.7	1227.6	1369.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1267.5	1279.8	1200	1200
2025-09-30	1261.2	1274.4	1200	1200
2025-09-01	1261.2	1274.4	1200	1200
2025-08-01	1197.5	1197.3	1200	1200
2025-07-01	1197.5	1197.3	1200	1200
2025-06-01	1197.5	1197.3	1200	1200
2025-05-01	1197.5	1197.3	1200	1200
2025-04-01	1197.5	1197.3	1200	1200
2025-03-01	1197.5	1197.3	1200	1200
2025-02-01	1197.1	1196.9	1200	1200
2025-01-01	1190.4	1189.6	1200	1200
2024-12-01	1190.4	1189.6	1200	1200
2024-11-01	1190.4	1189.6	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	2025 Gauteng Top Schools Teams (U9)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	D5 Teams 2025 (U9)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U9)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	D5 Teams 2025 (U9)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	4	Yes	Analysis
3	Gauteng Top Schools 2024 (U9 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	3	1	Yes	Analysis

#	Games	Start				End
1	6	Tournament Gauteng Top Schools 2024				Tournament 2025 Gauteng Top Schools Teams
		date 2024-10-04	rnd 5	type Standard	result 1	date 2025-08-29	rnd 1	type Standard	result 1
		Opponent Ncube, T (Thandeka)				Opponent Janse Van Rensburg, K (Kobus)
2	2	Tournament 2025 Gauteng Top Schools Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-29	rnd 3	type Standard	result 1	date 2025-08-29	rnd 4	type Standard	result 1
		Opponent Kriel, C (Conrad)				Opponent Grobler, J (Juan)

#	Games	Start				End
1	5	Tournament Gauteng Top Schools 2024				Tournament D5 Teams 2025
		date 2024-10-04	rnd 5	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Ncube, T (Thandeka)				Opponent Mokokoane, M (Mpumi)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Gauteng Top Schools 2024				Tournament D5 Teams 2025
		date 2024-10-04	rnd 5	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Ncube, T (Thandeka)				Opponent Mokokoane, M (Mpumi)

#	Games	Start				End
1	5	Tournament Gauteng Top Schools 2024				Tournament D5 Teams 2025
		date 2024-10-04	rnd 5	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Ncube, T (Thandeka)				Opponent Mokokoane, M (Mpumi)

No games found.

#	Games	Start				End

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	Mokokoane ,M (Mpumi)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mokokoane ,M (Mpumi)	1	1199.6	1624.6	1	1199.5	1624.6	0	0	0	0	0	0
2	Corneelsen ,E (Estian)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Corneelsen ,E (Estian)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Mtsweni ,B (Bukosi)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mtsweni ,B (Bukosi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Kriel ,C (Conrad)	1	1	425	1	1	425	0	0	0	0	0	0
4	Kriel ,C (Conrad)	1	1180.5	1605.5	1	1176.7	1605.5	0	0	0	0	0	0
5	Janse Van Rensburg ,K (Kobus)	1	1	425	1	1	425	0	0	0	0	0	0
5	Janse Van Rensburg ,K (Kobus)	1	1285.9	1710.9	1	1298.5	1710.9	0	0	0	0	0	0
6	Matlala ,T (Thatego)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Matlala ,T (Thatego)	1	1215.5	790.5	1	1225	790.5	0	0	0	0	0	0
7	Bender ,K (Katelin)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Bender ,K (Katelin)	1	1305.9	880.9	1	1301.4	880.9	0	0	0	0	0	0
8	Eagleton ,A (Alexander)	1	1	425	1	1	425	0	0	0	0	0	0
8	Eagleton ,A (Alexander)	1	1231.8	1656.8	1	1238.3	1656.8	0	0	0	0	0	0
9	Hans ,B (Boitshepo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Hans ,B (Boitshepo)	1	1312.2	887.2	1	1336.1	887.2	0	0	0	0	0	0
10	Havenga ,Z (Zak)	1	1	425	1	1	425	0	0	0	0	0	0
10	Havenga ,Z (Zak)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Kotze, D (Dewan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms