Chess South Africa Ratings Database

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Personal

Diedericks, C (Christiaan)

Chess SA id

103095921

FIDE id

Date of birth

2003-04-15 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1399.8	1392.3	641.4	643.8
Raw rating	1399.8	1392.3	641.4	643.8
Weighted rating	1397.3	1389.3	641.4	643.8
Weighted performance	888.5	887.5	0	0
Floor	925.8	923.3	500	500
K-factor	32	32	40	40
Min/Max rating change allowed	124.7	126.1	367.5	366.2
Highest rating	1441.2 2022-05-01	1438.8 2022-05-01	1200 2018-02-01	1200 2019-12-01
Highest raw rating	1425.8 2022-06-01	1423.3 2022-06-01	641.4 2024-02-01	643.8 2024-02-01
Highest weighted rating	1425.8 2024-03-01	1423.3 2024-03-01	641.4 2024-11-01	643.8 2024-11-01
Highest weighted performance	1441.2 2022-05-01	1438.8 2022-05-01	1200 2018-02-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1399.8	1392.3	641.4	643.8
Analysis
Rating	1399.8	1392.3	641.4	643.8
Raw rating	1399.8	1392.3	641.4	643.8
Weighted rating	1397.3	1389.3	641.4
Weighted performance	888.5	887.5	0
K-factor	32	32	40	40
Floor	925.8	923.3	500	500
Max/Min rating change allowed	124.7	126.1	367.5	366.2
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	1399.8	1392.3	641.4	643.8
New weighted rating	1397.3	1389.3	641.4	643.8
New weighted performance	888	887	0	0
Temp new rating	1399.8	1392.3	641.4	643.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1399.8	1392.3	641.4	643.8
New K-factor	32	32	40	40
New floor	925.8	923.3	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	5	5	0	0
	0	0	0	0
	29	29	0	0
	5	5	0	0
History	272	260	5	7

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	215	134.5	62.56	106.7	1100.9	1207.6
Standard	203	129.5	63.79	117.2	1107	1224.2
Rapid	5	3	60	85	671	756
Blitz	7	2	28.57	-182.1	1231.6	1049.5

Date	Main	Standard	Rapid	Blitz
2025-09-30	1399.8	1392.3	641.4	643.8
2025-09-01	1399.8	1392.3	641.4	643.8
2025-08-01	1399.8	1392.3	641.4	643.8
2025-07-01	1399.8	1392.3	641.4	643.8
2025-06-01	1399.8	1392.3	641.4	643.8
2025-05-01	1399.8	1392.3	641.4	643.8
2025-04-01	1399.8	1392.3	641.4	643.8
2025-03-01	1399.8	1392.3	641.4	643.8
2025-02-01	1399.6	1392.1	641.4	643.8
2025-01-01	1389.4	1379.8	641.4	643.8
2024-12-01	1389.4	1379.8	641.4	643.8
2024-11-01	1389.4	1379.8	641.4	643.8
2024-10-01	1389.4	1379.8	641.4	643.8
2024-09-01	1389.4	1379.8	641.4	643.8
2024-08-01	1389.4	1379.8	641.4	643.8
2024-07-01	1389.4	1379.8	641.4	643.8
2024-06-01	1389.4	1379.8	641.4	643.8
2024-08-01	1389.4	1379.8	641.4	643.8
2024-04-01	1389.4	1379.8	641.4	643.8
2024-03-01	1423.1	1420.4	641.4	643.8
2024-02-01	1423.1	1420.4	641.4	643.8
2024-01-01	1423.1	1420.4	641.4	643.8
2023-12-01	1423.1	1420.4	641.4	643.8
2023-11-01	1423.1	1420.4	641.4	643.8

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	Laerskool Midvaal Chess Open Section 2024 (A)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
2	Overvaal Open 2022 (A+B)	2022-08-06	2022-08-06	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
3	LS Vryheidsmonument Chess Open 2022 (LSEN)	2022-05-07	2022-05-07	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
4	Lux Deo NG Kerk Chess Open 2022 (LSEN)	2022-04-09	2022-04-09	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
5	2022 Gauteng Interregion (U20 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	Heidelberg Open 2022 (B)	2022-02-05	2022-02-05	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
7	Midvaal Ope 2022 (A)	2022-01-29	2022-01-29	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
8	Mabaleng Chess Open 2021 (B)	2021-11-21	2021-11-21	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
9	Hoerskool Drie Riviere 2020 (A+B)	2020-03-07	2020-03-07	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
10	Heidelberg Klub Round Robin 2020 (B)	2020-03-14	2020-03-14	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
11	Carel`s Open 2020 (A)	2020-02-29	2020-02-29	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
12	AG Visser 2020 (A+B)	2020-02-22	2020-02-22	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
13	2019 South African Junior LSEN Championships (U15A SID)	2020-01-11	2020-01-12	Standard	4 Knights (4K)	5	5	4	Yes	Analysis
14	2019 South African Juior Blitz Championship (B)	2020-01-05	2020-01-05	Blitz	4 Knights (4K)	7	7	2	Yes	Analysis
15	2019 South African Junior Team Championships (U18A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
16	Eureka LSEN Skaak/Chess 2019 (A)	2019-10-09	2019-10-09	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
17	GE vs GSV Inter Regional 2019 (U18A)	2019-10-26	2019-10-26	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
18	Sedibeng Heritageday Open 2019 (A)	2019-09-24	2019-09-24	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
19	2019 Gauteng School League Finals (U19 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
20	D7 High School League 2019 (U19)	2019-08-03	2019-08-03	Standard	Sedibeng (GSV)	10	8	6	Yes	Analysis
21	LS Voorwaarts & Dr P Hangelbroek Chess Open 2019 (LSEN)	2019-08-31	2019-08-31	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
22	TST-MSA Chess Open 2019 (LSEN)	2019-07-20	2019-07-20	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
23	Eureka Chess Open 2019 (C)	2019-07-27	2019-07-27	Standard	Sedibeng (GSV)	5	4	3	Yes	Analysis
24	Vaal Chess Club Open 2019 (B)	2019-06-01	2019-06-01	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
25	Drie Riviere Open 2019 (E)	2019-06-08	2019-06-08	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
26	D7 Individuals 2019 (U17 Boys)	2019-05-04	2019-05-04	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
27	Dirk de Koster Chess Open 2019 (LESN)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
28	Carels Open 2019 (B)	2019-03-02	2019-03-02	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
29	2019 Heidelberg Open (E)	2019-02-02	2019-02-02	Standard	Sedibeng (GSV)	5	4	4	Yes	Analysis
30	2018 Tshwane Inter Region (U16A)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
31	South African LSEN Championships 2018 (U16 SID)	2018-12-22	2018-12-23	Standard	4 Knights (4K)	6	6	6	Yes	Analysis
32	South African Junior Team Championships 2018 (U16C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
33	2018 Interregion Sedibeng vs Ekurhuleni (N)	2018-11-03	2018-11-03	Standard	Sedibeng (GSV)	6	5	1	Yes	Analysis
34	Fonteine Open 2018 (LSEN)	2018-10-13	2018-10-13	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
35	Eureka Chess Open 2018 (A)	2018-09-29	2018-09-29	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
36	TST-MSA Tournament 2018	2018-07-21	2018-07-21	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
37	Sasolburg Open 2018 (A)	2018-06-02	2018-06-02	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
38	Hoerskool Drie Riviere Open 2018 (LSEN)	2018-06-09	2018-06-09	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
39	Broadland`s Knights Chess Open 2018 (LSEN)	2018-06-16	2018-06-16	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
40	SWVG Arnold Classic Rapid & Blitz 2018 (U16 SID)	2018-05-18	2018-05-18	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
41	Amigo Spur Eligwa Chess Open 2018 (B)	2018-05-19	2018-05-19	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
42	South African Junior Chess Championships 2017 (LSEN U16B)	2018-01-09	2018-01-11	Standard	4 Knights (4K)	7	6	6	Yes	Analysis

#	Games	Start				End
1	11	Tournament 2022 Gauteng Interregion				Tournament LS Vryheidsmonument Chess Open 2022
		date 2022-02-26	rnd 5	type Standard	result 1	date 2022-05-07	rnd 5	type Standard	result 1
		Opponent Maritz, C (Christelle)				Opponent Van Der Merwe, P (Phillip)
2	11	Tournament South African LSEN Championships 2018				Tournament Carels Open 2019
		date 2018-12-22	rnd 1	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Fivaz, W (Wayne)				Opponent Muller, M (Mike)
3	8	Tournament South African Junior Chess Championships 2017				Tournament SWVG Arnold Classic Rapid & Blitz 2018
		date 2018-01-09	rnd 1	type Standard	result 1	date 2018-05-18	rnd 2	type Rapid	result 1
		Opponent Bila, T (Thokozani)				Opponent Bosch, B (Bernice)

#	Games	Start				End
1	11	Tournament 2022 Gauteng Interregion				Tournament LS Vryheidsmonument Chess Open 2022
		date 2022-02-26	rnd 5	type Standard	result 1	date 2022-05-07	rnd 5	type Standard	result 1
		Opponent Maritz, C (Christelle)				Opponent Van Der Merwe, P (Phillip)
2	11	Tournament South African LSEN Championships 2018				Tournament Carels Open 2019
		date 2018-12-22	rnd 1	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Fivaz, W (Wayne)				Opponent Muller, M (Mike)
3	6	Tournament Sedibeng Heritageday Open 2019				Tournament Eureka LSEN Skaak/Chess 2019
		date 2019-09-24	rnd 5	type Standard	result 1	date 2019-10-09	rnd 5	type Standard	result 1
		Opponent Van Zyl, I (Ilane)				Opponent Muller, M (Mike)

#	Games	Start				End
1	2	Tournament SWVG Arnold Classic Rapid & Blitz 2018				Tournament SWVG Arnold Classic Rapid & Blitz 2018
		date 2018-05-18	rnd 1	type Rapid	result 1	date 2018-05-18	rnd 2	type Rapid	result 1
		Opponent Macwele, M (Musawenkosi)				Opponent Bosch, B (Bernice)
2	1	Tournament SWVG Arnold Classic Rapid & Blitz 2018				Tournament SWVG Arnold Classic Rapid & Blitz 2018
		date 2018-05-18	rnd 4	type Rapid	result 1	date 2018-05-18	rnd 4	type Rapid	result 1
		Opponent Myburgh, D (Duvan)				Opponent Myburgh, D (Duvan)

#	Games	Start				End
1	1	Tournament 2019 South African Juior Blitz Championship				Tournament 2019 South African Juior Blitz Championship
		date 2020-01-05	rnd 7	type Blitz	result 1	date 2020-01-05	rnd 7	type Blitz	result 1
		Opponent French, N (Nicholas)				Opponent French, N (Nicholas)
2	1	Tournament 2019 South African Juior Blitz Championship				Tournament 2019 South African Juior Blitz Championship
		date 2020-01-05	rnd 1	type Blitz	result 1	date 2020-01-05	rnd 1	type Blitz	result 1
		Opponent Mabelo, K (Karabo)				Opponent Mabelo, K (Karabo)

#	Games	Start				End
1	11	Tournament South African LSEN Championships 2018				Tournament Carels Open 2019
		date 2018-12-22	rnd 1	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Fivaz, W (Wayne)				Opponent Muller, M (Mike)
2	8	Tournament South African Junior Chess Championships 2017				Tournament SWVG Arnold Classic Rapid & Blitz 2018
		date 2018-01-09	rnd 1	type Standard	result 1	date 2018-05-18	rnd 2	type Rapid	result 1
		Opponent Bila, T (Thokozani)				Opponent Bosch, B (Bernice)
3	6	Tournament Sedibeng Heritageday Open 2019				Tournament Eureka LSEN Skaak/Chess 2019
		date 2019-09-24	rnd 5	type Standard	result 1	date 2019-10-09	rnd 5	type Standard	result 1
		Opponent Van Zyl, I (Ilane)				Opponent Muller, M (Mike)

#	Games	Start				End
1	11	Tournament South African LSEN Championships 2018				Tournament Carels Open 2019
		date 2018-12-22	rnd 1	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Fivaz, W (Wayne)				Opponent Muller, M (Mike)
2	6	Tournament Sedibeng Heritageday Open 2019				Tournament Eureka LSEN Skaak/Chess 2019
		date 2019-09-24	rnd 5	type Standard	result 1	date 2019-10-09	rnd 5	type Standard	result 1
		Opponent Van Zyl, I (Ilane)				Opponent Muller, M (Mike)
3	6	Tournament Dirk de Koster Chess Open 2019				Tournament D7 Individuals 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-05-04	rnd 2	type Standard	result 1
		Opponent Zimunya, T (Tumisho)				Opponent Freedman, L (Liron)

#	Games	Start				End
1	2	Tournament SWVG Arnold Classic Rapid & Blitz 2018				Tournament SWVG Arnold Classic Rapid & Blitz 2018
		date 2018-05-18	rnd 1	type Rapid	result 1	date 2018-05-18	rnd 2	type Rapid	result 1
		Opponent Macwele, M (Musawenkosi)				Opponent Bosch, B (Bernice)
2	1	Tournament SWVG Arnold Classic Rapid & Blitz 2018				Tournament SWVG Arnold Classic Rapid & Blitz 2018
		date 2018-05-18	rnd 4	type Rapid	result 1	date 2018-05-18	rnd 4	type Rapid	result 1
		Opponent Myburgh, D (Duvan)				Opponent Myburgh, D (Duvan)

#	Games	Start				End
1	1	Tournament 2019 South African Juior Blitz Championship				Tournament 2019 South African Juior Blitz Championship
		date 2020-01-05	rnd 7	type Blitz	result 1	date 2020-01-05	rnd 7	type Blitz	result 1
		Opponent French, N (Nicholas)				Opponent French, N (Nicholas)
2	1	Tournament 2019 South African Juior Blitz Championship				Tournament 2019 South African Juior Blitz Championship
		date 2020-01-05	rnd 1	type Blitz	result 1	date 2020-01-05	rnd 1	type Blitz	result 1
		Opponent Mabelo, K (Karabo)				Opponent Mabelo, K (Karabo)

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	Muller ,M (Mike)	10	8	255	9	8	330.6	1	0	-425	0	0	0
1	Muller ,M (Mike)	10	866.4	1121.4	9	886.5	1197	1	570	441.4	0	0	0
2	Kololo ,L (Lindiwe)	9	9	425	9	9	425	0	0	0	0	0	0
2	Kololo ,L (Lindiwe)	9	889.5	1314.5	9	883.5	1314.5	0	0	0	0	0	0
3	Marinschek ,R (Ruben)	9	8	330.6	9	8	330.6	0	0	0	0	0	0
3	Marinschek ,R (Ruben)	9	822.1	1152.7	9	801.8	1152.7	0	0	0	0	0	0
4	Khumalo ,N (Nkosinathi)	8	6	212.5	8	6	212.5	0	0	0	0	0	0
4	Khumalo ,N (Nkosinathi)	8	1019.3	1231.8	8	1025.8	1231.8	0	0	0	0	0	0
5	Bosch ,B (Bernice)	8	7	318.8	7	6	303.6	1	1	425	0	0	0
5	Bosch ,B (Bernice)	8	735.9	1054.6	7	764.2	1039.4	1	500	1160.9	0	0	0
6	Zimunya ,T (Tumisho)	5	4.5	340	5	4.5	340	0	0	0	0	0	0
6	Zimunya ,T (Tumisho)	5	1217.1	1557.1	5	1205.9	1557.1	0	0	0	0	0	0
7	Scheepers ,C (Coenraad)	5	5	425	5	5	425	0	0	0	0	0	0
7	Scheepers ,C (Coenraad)	5	765.5	1190.5	5	729.6	1190.5	0	0	0	0	0	0
8	Moropane ,M (Mojalefa)	5	3	85	5	3	85	0	0	0	0	0	0
8	Moropane ,M (Mojalefa)	5	1087.6	1172.6	5	1076.8	1172.6	0	0	0	0	0	0
9	Molata ,M (Morena)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
9	Molata ,M (Morena)	4	887.3	674.8	4	880.1	674.8	0	0	0	0	0	0
10	Masie ,S (Sizwe)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
10	Masie ,S (Sizwe)	3	1161.4	1303.1	3	1163.6	1303.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Diedericks, 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