Chess South Africa Ratings Database

PLAYER PAGE

Personal

Marais, J (Johnathan)

Chess SA id

1060119688

FIDE id

Date of birth

2006-11-24 (U20)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1075.9	1049.6	1200	1200
Raw rating	1075.9	1049.6	1200	1200
Weighted rating	1075.9	1049.6	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	197.9	205.4	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1075.9	1049.6	1200	1200
Analysis
Rating	1075.9	1049.6	1200	1200
Raw rating	1075.9	1049.6	1200	1200
Weighted rating	1075.9	1049.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	197.9	205.4	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	1075.9	1049.6	1200	1200
New weighted rating	1075.9	1049.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1075.9	1049.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1075.9	1049.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	15	15

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	15	4.5	30	-170	1152.2	982.2
Standard	15	4.5	30	-170	1152.2	982.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1075.9	1049.6	1200	1200
2025-09-30	1075.9	1049.6	1200	1200
2025-09-01	1075.9	1049.6	1200	1200
2025-08-01	1075.9	1049.6	1200	1200
2025-07-01	1075.9	1049.6	1200	1200
2025-06-01	1075.9	1049.6	1200	1200
2025-05-01	1075.9	1049.6	1200	1200
2025-04-01	1075.9	1049.6	1200	1200
2025-03-01	1075.9	1049.6	1200	1200
2025-02-01	1075.9	1049.6	1200	1200
2025-01-01	1075.9	1049.6	1200	1200
2024-12-01	1075.9	1049.6	1200	1200
2024-11-01	1075.9	1049.6	1200	1200
2024-10-01	1075.9	1049.6	1200	1200
2024-09-01	1075.9	1049.6	1200	1200
2024-08-01	1075.9	1049.6	1200	1200
2024-07-01	1075.9	1049.6	1200	1200
2024-09-01	1075.9	1049.6	1200	1200
2024-05-01	1075.9	1049.6	1200	1200
2024-04-01	1075.9	1049.6	1200	1200
2024-03-01	1075.9	1049.6	1200	1200
2024-02-01	1075.9	1049.6	1200	1200
2024-01-01	1075.9	1049.6	1200	1200
2023-12-01	1075.9	1049.6	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	Hessequa Skaak Proewe 2 2020 (O15 Seuns)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
2	Hessequa Skaak Proewe 1 2020 (O15 Seuns)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	4	0	Yes	Analysis
3	Hessequa Ontwikkelings Toernooi 2019 (B)	2019-11-01	2019-11-01	Standard	Eden (WEG)	6	6	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Hessequa Ontwikkelings Toernooi 2019				Tournament Hessequa Ontwikkelings Toernooi 2019
		date 2019-11-01	rnd 2	type Standard	result 1	date 2019-11-01	rnd 4	type Standard	result 1
		Opponent Johnson, K (Keenan)				Opponent Windvogel, P (Paulene)
2	1	Tournament Hessequa Skaak Proewe 2 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-22	rnd 5	type Standard	result 0.5	date 2020-02-22	rnd 5	type Standard	result 0.5
		Opponent Esterhuizen, L (Lodewyk)				Opponent Esterhuizen, L (Lodewyk)
3	1	Tournament Hessequa Skaak Proewe 2 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Nothnagel, W (Wilhelm)				Opponent Nothnagel, W (Wilhelm)

#	Games	Start				End
1	3	Tournament Hessequa Ontwikkelings Toernooi 2019				Tournament Hessequa Ontwikkelings Toernooi 2019
		date 2019-11-01	rnd 2	type Standard	result 1	date 2019-11-01	rnd 4	type Standard	result 1
		Opponent Johnson, K (Keenan)				Opponent Windvogel, P (Paulene)
2	1	Tournament Hessequa Skaak Proewe 2 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-22	rnd 5	type Standard	result 0.5	date 2020-02-22	rnd 5	type Standard	result 0.5
		Opponent Esterhuizen, L (Lodewyk)				Opponent Esterhuizen, L (Lodewyk)
3	1	Tournament Hessequa Skaak Proewe 2 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Nothnagel, W (Wilhelm)				Opponent Nothnagel, W (Wilhelm)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Hessequa Skaak Proewe 2 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Nothnagel, W (Wilhelm)				Opponent Nothnagel, W (Wilhelm)
2	1	Tournament Hessequa Ontwikkelings Toernooi 2019				Tournament Hessequa Ontwikkelings Toernooi 2019
		date 2019-11-01	rnd 4	type Standard	result 1	date 2019-11-01	rnd 4	type Standard	result 1
		Opponent Windvogel, P (Paulene)				Opponent Windvogel, P (Paulene)
3	1	Tournament Hessequa Ontwikkelings Toernooi 2019				Tournament Hessequa Ontwikkelings Toernooi 2019
		date 2019-11-01	rnd 2	type Standard	result 1	date 2019-11-01	rnd 2	type Standard	result 1
		Opponent Johnson, K (Keenan)				Opponent Johnson, K (Keenan)

#	Games	Start				End
1	1	Tournament Hessequa Skaak Proewe 2 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Nothnagel, W (Wilhelm)				Opponent Nothnagel, W (Wilhelm)
2	1	Tournament Hessequa Ontwikkelings Toernooi 2019				Tournament Hessequa Ontwikkelings Toernooi 2019
		date 2019-11-01	rnd 4	type Standard	result 1	date 2019-11-01	rnd 4	type Standard	result 1
		Opponent Windvogel, P (Paulene)				Opponent Windvogel, P (Paulene)
3	1	Tournament Hessequa Ontwikkelings Toernooi 2019				Tournament Hessequa Ontwikkelings Toernooi 2019
		date 2019-11-01	rnd 2	type Standard	result 1	date 2019-11-01	rnd 2	type Standard	result 1
		Opponent Johnson, K (Keenan)				Opponent Johnson, K (Keenan)

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	Abrahams ,C (Codey)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Abrahams ,C (Codey)	1	1171.1	1171.1	1	1165.6	1171.1	0	0	0	0	0	0
2	Nothnagel ,W (Wilhelm)	1	1	425	1	1	425	0	0	0	0	0	0
2	Nothnagel ,W (Wilhelm)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Baadjies ,L (Lando)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Baadjies ,L (Lando)	1	1037.7	612.7	1	1012.8	612.7	0	0	0	0	0	0
4	Windvogel ,P (Paulene)	1	1	425	1	1	425	0	0	0	0	0	0
4	Windvogel ,P (Paulene)	1	1087.5	1512.5	1	1075.6	1512.5	0	0	0	0	0	0
5	Sefoor ,J (Jordan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Sefoor ,J (Jordan)	1	1243.2	818.2	1	1227.7	818.2	0	0	0	0	0	0
6	Joseph ,C (Christopher)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Joseph ,C (Christopher)	1	1127.1	702.1	1	1120.4	702.1	0	0	0	0	0	0
7	Meyer ,A (Ashley)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Meyer ,A (Ashley)	1	1162.5	1162.5	1	1153.6	1162.5	0	0	0	0	0	0
8	Smit ,K (Kevin)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Smit ,K (Kevin)	1	1169.8	744.8	1	1174.8	744.8	0	0	0	0	0	0
9	Jacobs ,F (Franco)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Jacobs ,F (Franco)	1	1137.3	712.3	1	1125.5	712.3	0	0	0	0	0	0
10	Burgess ,J (Jaydelan-Waytt)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Burgess ,J (Jaydelan-Waytt)	1	1127	702	1	1132.6	702	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

Marais, J (Johnathan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms