Chess South Africa Ratings Database

PLAYER PAGE

Personal

Marais, S (Sj)

Chess SA id

1150192071

FIDE id

Date of birth

2015-03-24 (U12)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1158.4

Item	Main	Standard	Rapid	Blitz
Rating	1261.5	1284.4	1230.3	1200
Raw rating	1257	1284.4	1200.4	1200
Weighted rating	1261.5	1259.6	1230.3	1200
Weighted performance	1105.6	0	0	0
Floor	789.1	784.4	745.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.9	147	165.7	165.8
Highest rating	1302.9 2024-10-01	1377.1 2024-10-01	1289 2024-02-01	1200 2024-02-01
Highest raw rating	1289.1 2025-05-05	1284.4 2025-05-05	1245.5 2025-02-01	1200 2024-02-01
Highest weighted rating	1259.4 2025-09-01	1247.4 2025-08-01	1245.5 2024-10-01	1200 2024-02-01
Highest weighted performance	1302.9 2024-10-01	1377.1 2024-10-01	1289 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.8	0	-2.2	0
New rating	1262.3	1284.4	1228	1200
Analysis
Rating	1261.5	1284.4	1230.3	1200
Raw rating	1257	1284.4	1200.4	1200
Weighted rating	1261.5	1259.6	1230.3
Weighted performance	1105.6	0	0
K-factor	36	36	36	36
Floor	789.1	784.4	745.5	700
Max/Min rating change allowed	152.9	147	165.7	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	1257	1284.4	1200.4	1200
New weighted rating	1262.3	1263.2	1228	1200
New weighted performance	1098.5	0	0	0
Temp new rating	1262.3	1284.4	1228	1200
Temp new rating +/-	0.8	0	-2.2	0
Final new rating +/-	0.8	0	-2.2	0
New rating	1262.3	1284.4	1228	1200
New K-factor	36	36	36	36
New floor	789.1	784.4	745.5	700

Item	Main	Standard	Rapid
	0	0	0
	15	5	10
	18	8	10
	0	0	0
	0	0	0
	0	0	0
History	33	13	20

Games since
	Main 33	Standard 13		Rapid 20		Blitz 0
Gender	Male
Age group	U12
Region	Ekurhuleni (GE)
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	1488		264		82
Male	1163		200		51
U12	277		42		21
U12 Male	202		32		16
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	15	8	53.33	28.3	1205.6	1233.9
Standard	5	3.5	70	170	1196.9	1366.9
Rapid	10	4.5	45	-42.5	1209.9	1167.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	33	19.5	59.09	77.3	1211.7	1288.9
Standard	13	9	69.23	163.5	1213.6	1377.1
Rapid	20	10.5	52.5	21.2	1210.4	1231.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1257	1284.4	1200.4	1200
2025-09-30	1257	1284.4	1200.4	1200
2025-09-01	1257	1284.4	1200.4	1200
2025-08-01	1289.1	1284.4	1245.5	1200
2025-07-01	1289.1	1284.4	1245.5	1200
2025-06-01	1289.1	1284.4	1245.5	1200
2025-05-01	1289.1	1284.4	1245.5	1200
2025-04-01	1270.8	1260.2	1245.5	1200
2025-03-01	1270.8	1260.2	1245.5	1200
2025-02-01	1270.8	1260.2	1245.5	1200
2025-01-01	1266.8	1260.2	1234.2	1200
2024-12-01	1266.8	1260.2	1234.2	1200
2024-11-01	1266.8	1260.2	1234.2	1200
2024-10-01	1238.4	1222	1234.2	1200
2024-09-01	1224.4	1200	1234.2	1200
2024-08-01	1224.4	1200	1234.2	1200
2024-07-01	1224.4	1200	1234.2	1200
2024-09-01	1224.4	1200	1234.2	1200
2024-05-01	1224.4	1200	1234.2	1200
2024-04-01	1224.4	1200	1234.2	1200
2024-03-01	1211	1200	1218.4	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	Benoni Primary School Cluster Teams 2025 (U11B)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U11 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
3	LS Northmead Trials 2025 (U11)	2025-01-25	2025-01-25	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni Primary School Cluster Teams 2025 (U11B)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U11 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
3	LS Northmead Trials 2025 (U11)	2025-01-25	2025-01-25	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Gauteng Top Schools 2024 (U9 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
5	Ekurhuleni North Schools Finals - Teams 2024 (U9 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	3	2	Yes	Analysis
6	Benoni Primary School Cluster Individuals 2024 (U9 Boys)	2024-03-09	2024-03-09	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
7	Laerskool Northmead Proewe 2024 (U9)	2024-02-10	2024-02-10	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament LS Northmead Trials 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-01-25	rnd 5	type Rapid	result 1	date 2025-04-12	rnd 5	type Standard	result 0.5
		Opponent Kloppers, M (Mikaela)				Opponent Botha, S (Sebastian)
2	5	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 5	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 0.5
		Opponent Masenga, G (Gloria)				Opponent Combrinck, J (Jan Hendrik)
3	3	Tournament Laerskool Northmead Proewe 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 2	type Rapid	result 1
		Opponent Basson, D (Dawid)				Opponent Schneigansz, X (Xan)

#	Games	Start				End
1	5	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 0.5	date 2025-04-12	rnd 5	type Standard	result 0.5
		Opponent Coetzee, S (Stian)				Opponent Botha, S (Sebastian)
2	5	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 5	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 0.5
		Opponent Masenga, G (Gloria)				Opponent Combrinck, J (Jan Hendrik)
3	1	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Madi, N (Nokukhany)				Opponent Madi, N (Nokukhany)

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster Individuals 2024				Tournament LS Northmead Trials 2025
		date 2024-03-09	rnd 5	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Steyn, J (Janco)				Opponent Olivier, T (Tiaan)
2	3	Tournament Laerskool Northmead Proewe 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 2	type Rapid	result 1
		Opponent Basson, D (Dawid)				Opponent Schneigansz, X (Xan)
3	2	Tournament Laerskool Northmead Proewe 2024				Tournament Laerskool Northmead Proewe 2024
		date 2024-02-10	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 3	type Rapid	result 1
		Opponent Van Der Westhuizen, R (Ruzenka)				Opponent Deetlefs, A (Alexia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 5	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent Masenga, G (Gloria)				Opponent Ngobeni, M (Musa)
2	3	Tournament Laerskool Northmead Proewe 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 2	type Rapid	result 1
		Opponent Basson, D (Dawid)				Opponent Schneigansz, X (Xan)
3	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 3	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Jordaan, J (Jonathan)				Opponent Holgreaves, R (Rowan)

#	Games	Start				End
1	4	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 5	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent Masenga, G (Gloria)				Opponent Ngobeni, M (Musa)
2	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 3	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Jordaan, J (Jonathan)				Opponent Holgreaves, R (Rowan)
3	1	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Madi, N (Nokukhany)				Opponent Madi, N (Nokukhany)

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster Individuals 2024				Tournament LS Northmead Trials 2025
		date 2024-03-09	rnd 5	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Steyn, J (Janco)				Opponent Olivier, T (Tiaan)
2	3	Tournament Laerskool Northmead Proewe 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 2	type Rapid	result 1
		Opponent Basson, D (Dawid)				Opponent Schneigansz, X (Xan)
3	2	Tournament Laerskool Northmead Proewe 2024				Tournament Laerskool Northmead Proewe 2024
		date 2024-02-10	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 3	type Rapid	result 1
		Opponent Van Der Westhuizen, R (Ruzenka)				Opponent Deetlefs, A (Alexia)

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	Coetzee ,S (Stian)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Coetzee ,S (Stian)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
2	De Bruin ,E (EJ)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	De Bruin ,E (EJ)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
3	Combrinck ,J (Jan Hendrik)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Combrinck ,J (Jan Hendrik)	1	1226.3	1226.3	1	1231.3	1226.3	0	0	0	0	0	0
4	Smous ,O (Onalexona)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Smous ,O (Onalexona)	1	1220.4	795.4	1	1198.8	795.4	0	0	0	0	0	0
5	Engelbrecht ,L (Lee)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Engelbrecht ,L (Lee)	1	1278.4	853.4	1	1294.4	853.4	0	0	0	0	0	0
6	Holgreaves ,R (Rowan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Holgreaves ,R (Rowan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Bindjila ,F (Floyd)	1	1	425	1	1	425	0	0	0	0	0	0
7	Bindjila ,F (Floyd)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Olivier ,T (Tiaan)	1	1	425	0	0	0	1	1	425	0	0	0
8	Olivier ,T (Tiaan)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Els ,L (Luan)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Els ,L (Luan)	1	1308.4	883.4	0	0	0	1	1200	883.4	0	0	0
10	Van Der Westhuizen ,R (Ruzenka)	1	1	425	0	0	0	1	1	425	0	0	0
10	Van Der Westhuizen ,R (Ruzenka)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Marais, S (Sj)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms