Chess South Africa Ratings Database

PLAYER PAGE

Personal

Marais, CJ (Coenraad Johannes)

Chess SA id

182020708

FIDE id

Date of birth

1982-07-06 (Adult)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1358	1389.7	1300	1300
Raw rating	1358	1389.7	1300	1300
Weighted rating	1324.9	1356.7	1299.7	1299.7
Weighted performance	0	0	0	0
Floor	858	889.7	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	132.4	126.5	143.8	143.8
Highest rating	1593.6 2023-09-01	1590.2 2023-09-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1358 2025-11-01	1389.7 2025-11-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1324.9 2025-11-01	1356.7 2025-11-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1593.6 2023-09-01	1590.2 2023-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1358	1389.7	1300	1300
Analysis
Rating	1358	1389.7	1300	1300
Raw rating	1358	1389.7	1300	1300
Weighted rating	1324.9	1356.7	1299.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	858	889.7	800	800
Max/Min rating change allowed	132.4	126.5	143.8	143.8
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	1358	1389.7	1300	1300
New weighted rating	1327.8	1359.6	1300	1300
New weighted performance	0	0	0	0
Temp new rating	1358	1389.7	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1358	1389.7	1300	1300
New K-factor	36	36	36	36
New floor	858	889.7	800	800

Item	Main	Standard
	0	0
	5	5
	0	0
	5	5
	0	0
	0	0
History	10	10

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
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	5	2.5	50	0	1535	1535
Standard	5	2.5	50	0	1535	1535
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	6	60	85	1479.1	1564.1
Standard	10	6	60	85	1479.1	1564.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1358	1389.7	1300	1300
2025-09-30	1322.2	1354.1	1300	1300
2025-09-01	1322.2	1354.1	1300	1300
2025-08-01	1322.2	1354.1	1300	1300
2025-07-01	1322.2	1354.1	1300	1300
2025-06-01	1322.2	1354.1	1300	1300
2025-05-01	1322.2	1354.1	1300	1300
2025-04-01	1322.2	1354.1	1300	1300
2025-03-01	1322.2	1354.1	1300	1300
2025-02-01	1322.2	1354.1	1300	1300
2025-01-01	1322.2	1354.1	1300	1300
2024-12-01	1322.2	1354.1	1300	1300
2024-11-01	1322.2	1354.1	1300	1300
2024-10-01	1322.2	1354.1	1300	1300
2024-09-01	1322.2	1354.1	1300	1300
2024-08-01	1322.2	1354.1	1300	1300
2024-07-01	1322.2	1354.1	1300	1300
2024-09-01	1322.2	1354.1	1300	1300
2024-05-01	1322.2	1354.1	1300	1300
2024-04-01	1322.2	1354.1	1300	1300
2024-03-01	1322.2	1354.1	1300	1300
2024-02-01	1322.2	1354.1	1300	1300
2024-01-01	1322.2	1354.1	1300	1300
2023-12-01	1275	1289.2	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	LS Fonteine Open 18 Oct 2025 (A)	2025-10-18	2025-10-18	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	LS Fonteine Open 18 Oct 2025 (A)	2025-10-18	2025-10-18	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
2	Fonteine Chess Open 2023 (A)	2023-09-02	2023-09-02	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Fonteine Chess Open 2023				Tournament LS Fonteine Open 18 Oct 2025
		date 2023-09-02	rnd 5	type Standard	result 1	date 2025-10-18	rnd 2	type Standard	result 1
		Opponent Naidoo, K (Kajol)				Opponent Keulder, D (Dirk)
2	3	Tournament Fonteine Chess Open 2023				Tournament Fonteine Chess Open 2023
		date 2023-09-02	rnd 1	type Standard	result 0.5	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Williams, A (Anika)				Opponent Keulder, D (Dirk)
3	1	Tournament LS Fonteine Open 18 Oct 2025				Tournament LS Fonteine Open 18 Oct 2025
		date 2025-10-18	rnd 5	type Standard	result 1	date 2025-10-18	rnd 5	type Standard	result 1
		Opponent Malilani, A (Atinatsa David)				Opponent Malilani, A (Atinatsa David)

#	Games	Start				End
1	3	Tournament Fonteine Chess Open 2023				Tournament Fonteine Chess Open 2023
		date 2023-09-02	rnd 1	type Standard	result 0.5	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Williams, A (Anika)				Opponent Keulder, D (Dirk)
2	1	Tournament Fonteine Chess Open 2023				Tournament Fonteine Chess Open 2023
		date 2023-09-02	rnd 5	type Standard	result 1	date 2023-09-02	rnd 5	type Standard	result 1
		Opponent Naidoo, K (Kajol)				Opponent Naidoo, K (Kajol)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Fonteine Chess Open 2023				Tournament Fonteine Chess Open 2023
		date 2023-09-02	rnd 2	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Naidoo, D (Dhiya)				Opponent Keulder, D (Dirk)
2	1	Tournament Fonteine Chess Open 2023				Tournament Fonteine Chess Open 2023
		date 2023-09-02	rnd 5	type Standard	result 1	date 2023-09-02	rnd 5	type Standard	result 1
		Opponent Naidoo, K (Kajol)				Opponent Naidoo, K (Kajol)

#	Games	Start				End
1	2	Tournament Fonteine Chess Open 2023				Tournament Fonteine Chess Open 2023
		date 2023-09-02	rnd 2	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Naidoo, D (Dhiya)				Opponent Keulder, D (Dirk)
2	1	Tournament Fonteine Chess Open 2023				Tournament Fonteine Chess Open 2023
		date 2023-09-02	rnd 5	type Standard	result 1	date 2023-09-02	rnd 5	type Standard	result 1
		Opponent Naidoo, K (Kajol)				Opponent Naidoo, K (Kajol)

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	Keulder ,D (Dirk)	2	2	425	2	2	425	0	0	0	0	0	0
1	Keulder ,D (Dirk)	2	1243.3	1668.3	2	1238.5	1668.3	0	0	0	0	0	0
2	Williams ,A (Anika)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Williams ,A (Anika)	1	1403.9	1403.9	1	1402.7	1403.9	0	0	0	0	0	0
3	Siyali ,A (Andile)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Siyali ,A (Andile)	1	1385.1	960.1	1	1372.5	960.1	0	0	0	0	0	0
4	Naidoo ,D (Dhiya)	1	1	425	1	1	425	0	0	0	0	0	0
4	Naidoo ,D (Dhiya)	1	1509.4	1934.4	1	1510.7	1934.4	0	0	0	0	0	0
5	Malilani ,A (Atinatsa David)	1	1	425	1	1	425	0	0	0	0	0	0
5	Malilani ,A (Atinatsa David)	1	1682.3	2107.3	1	1678.2	2107.3	0	0	0	0	0	0
6	Naidoo ,K (Kajol)	1	1	425	1	1	425	0	0	0	0	0	0
6	Naidoo ,K (Kajol)	1	1449.1	1874.1	1	1432.5	1874.1	0	0	0	0	0	0
7	Theron ,A (Andre)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Theron ,A (Andre)	1	1594	1169	1	1593.4	1169	0	0	0	0	0	0
8	Nthute ,S (Sepato)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Nthute ,S (Sepato)	1	1553	1128	1	1552.4	1128	0	0	0	0	0	0
9	Kgaphola ,M (Moloko)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Kgaphola ,M (Moloko)	1	1726.9	1726.9	1	1734.6	1726.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Marais, CJ (Coenraad Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms