Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kotze, C (Christiaan)

Chess SA id

1150319206

FIDE id

Date of birth

2015-07-30 (U12)

Gender

Male

Region

West Rand (GWR)

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	1270.9	1276	1200	1200
Raw rating	1270.9	1276	1200	1200
Weighted rating	1212.6	1214.2	1200	1200
Weighted performance	0	0	0	0
Floor	770.9	776	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	149.9	148.8	165.8	165.8
Highest rating	1270.9 2026-01-01	1276 2026-01-01	1200 2025-05-05	1200 2025-05-05
Highest raw rating	1270.9 2026-01-01	1276 2026-01-01	1200 2025-05-05	1200 2025-05-05
Highest weighted rating	1212.6 2026-01-01	1214.2 2026-01-01	1200 2025-05-05	1200 2025-05-05
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1270.9	1276	1200	1200
Analysis
Rating	1270.9	1276	1200	1200
Raw rating	1270.9	1276	1200	1200
Weighted rating	1212.6	1214.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	770.9	776	700	700
Max/Min rating change allowed	149.9	148.8	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	1270.9	1276	1200	1200
New weighted rating	1217.7	1219.7	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1270.9	1276	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1270.9	1276	1200	1200
New K-factor	36	36	36	36
New floor	770.9	776	700	700

Item	Main	Standard
	0	0
	14	14
	0	0
	0	0
	0	0
	0	0
History	14	14

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	14	6	42.86	-60.7	1292.3	1231.6
Standard	14	6	42.86	-60.7	1292.3	1231.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	6	42.86	-60.7	1292.3	1231.6
Standard	14	6	42.86	-60.7	1292.3	1231.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1270.9	1276	1200	1200
2025-11-30	1250.6	1260.1	1200	1200
2025-11-01	1250.6	1260.1	1200	1200
2025-09-30	1193.5	1190.9	1200	1200
2025-09-01	1199.8	1199.7	1200	1200
2025-08-01	1199.8	1199.7	1200	1200
2025-07-01	1199.8	1199.7	1200	1200
2025-06-01	1199.6	1199.5	1200	1200
2025-05-01	1197.5	1197	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	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 Championship)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
2	2025 Gauteng Top Schools Teams (U11)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	0	0	No	Analysis
3	West Rand Closed 2025 (U12)	2025-10-18	2025-10-18	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
4	West Rand Trials 2025 (U12)	2025-09-06	2025-09-06	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
5	2025 D2 Schools League Finals (U11)	2025-07-26	2025-07-26	Standard	West Rand (GWR)	5	0	0	No	Analysis
6	FIDE in The West 2025 (U12)	2025-04-12	2025-04-12	Standard	West Rand (GWR)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament West Rand Closed 2025				Tournament West Rand Closed 2025
		date 2025-10-18	rnd 3	type Standard	result 1	date 2025-10-18	rnd 4	type Standard	result 1
		Opponent Van Rensburg, L (Liem)				Opponent Mope, T (Tshwarelo)
2	2	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Mpoto, I (Inothando)				Opponent Jordaan, L (Louryn)
3	1	Tournament West Rand Closed 2025				Tournament West Rand Closed 2025
		date 2025-10-18	rnd 1	type Standard	result 1	date 2025-10-18	rnd 1	type Standard	result 1
		Opponent De Waal, D (Dian)				Opponent De Waal, D (Dian)

#	Games	Start				End
1	2	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Mpoto, I (Inothando)				Opponent Jordaan, L (Louryn)
2	1	Tournament FIDE in The West 2025				Tournament FIDE in The West 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Louw, C (Christian)				Opponent Louw, C (Christian)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Mpoto, I (Inothando)				Opponent Jordaan, L (Louryn)
2	1	Tournament FIDE in The West 2025				Tournament FIDE in The West 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Louw, C (Christian)				Opponent Louw, C (Christian)

#	Games	Start				End
1	2	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Mpoto, I (Inothando)				Opponent Jordaan, L (Louryn)
2	1	Tournament FIDE in The West 2025				Tournament FIDE in The West 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Louw, C (Christian)				Opponent Louw, C (Christian)

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	Erasmus ,S (Sonja)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Erasmus ,S (Sonja)	1	1457.4	1032.4	1	1459.7	1032.4	0	0	0	0	0	0
2	Carr ,P (Phillip Stuart)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Carr ,P (Phillip Stuart)	1	1179.5	754.5	1	1177	754.5	0	0	0	0	0	0
3	De Waal ,D (Dian)	1	1	425	1	1	425	0	0	0	0	0	0
3	De Waal ,D (Dian)	1	1414.8	1839.8	1	1410	1839.8	0	0	0	0	0	0
4	Mpoto ,I (Inothando)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mpoto ,I (Inothando)	1	1199.1	1624.1	1	1199.4	1624.1	0	0	0	0	0	0
5	Oldjohn ,L (Lazola)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Oldjohn ,L (Lazola)	1	1162	737	1	1154	737	0	0	0	0	0	0
6	Blom ,W (Wian)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Blom ,W (Wian)	1	1192.5	767.5	1	1192.5	767.5	0	0	0	0	0	0
7	Louw ,C (Christian)	1	1	425	1	1	425	0	0	0	0	0	0
7	Louw ,C (Christian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Van Rensburg ,L (Liem)	1	1	425	1	1	425	0	0	0	0	0	0
8	Van Rensburg ,L (Liem)	1	1339.4	1764.4	1	1336.4	1764.4	0	0	0	0	0	0
9	Lokwe ,S (Simthandile)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Lokwe ,S (Simthandile)	1	1554.8	1129.8	1	1557.7	1129.8	0	0	0	0	0	0
10	Mope ,T (Tshwarelo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mope ,T (Tshwarelo)	1	1245.6	1670.6	1	1252.6	1670.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Kotze, C (Christiaan)

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