Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kotze, D (Dewan)

Chess SA id

1160312324

FIDE id

Date of birth

2016-03-18 (U12)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1254.6	1263.6	1200	1200
Raw rating	1254.6	1263.6	1200	1200
Weighted rating	1220.9	1225.1	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	153.4	151.5	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	1220.9 2026-01-01	1225.1 2026-01-01	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	1254.6	1263.6	1200	1200
Analysis
Rating	1254.6	1263.6	1200	1200
Raw rating	1254.6	1263.6	1200	1200
Weighted rating	1220.9	1225.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	767.5	779.8	700	700
Max/Min rating change allowed	153.4	151.5	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	1254.6	1263.6	1200	1200
New weighted rating	1224.4	1229.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1254.6	1263.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1254.6	1263.6	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
2026-01-01	1254.6	1263.6	1200	1200
2025-11-30	1267.5	1279.8	1200	1200
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
2024-11-01	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	Gauteng Inter-Region at Emerald Resort 2025 (U12 Candidates)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	3	1	Yes	Analysis
2	2025 Gauteng Top Schools Teams (U9)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	D5 Teams 2025 (U9)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	4	Yes	Analysis
4	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