Chess South Africa Ratings Database

PLAYER PAGE

Personal

Marais, I (Ivan)

Chess SA id

1140192028

FIDE id

Date of birth

2014-12-10 (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

Item	Main	Standard	Rapid	Blitz
Rating	1215.6	1204.6	1221.1	1200
Raw rating	1215.6	1204.6	1221.1	1200
Weighted rating	1198.9	1202	1196.1	1200
Weighted performance	1106.4	0	0	0
Floor	715.6	704.6	721.1	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.2	164.7	160.9	165.8
Highest rating	1215.6 2025-09-01	1204.6 2025-05-05	1221.1 2025-09-01	1200 2024-02-01
Highest raw rating	1215.6 2025-09-01	1204.6 2025-05-05	1221.1 2025-09-01	1200 2024-02-01
Highest weighted rating	1202.9 2024-02-01	1201.4 2025-08-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1215.6	1204.6	1221.1	1200
Analysis
Rating	1215.6	1204.6	1221.1	1200
Raw rating	1215.6	1204.6	1221.1	1200
Weighted rating	1198.9	1202	1196.1
Weighted performance	1106.4	0	0
K-factor	36	36	36	36
Floor	715.6	704.6	721.1	700
Max/Min rating change allowed	162.2	164.7	160.9	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	1215.6	1204.6	1221.1	1200
New weighted rating	1200.5	1202.3	1198.3	1200
New weighted performance	1106	0	0	0
Temp new rating	1215.6	1204.6	1221.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1215.6	1204.6	1221.1	1200
New K-factor	36	36	36	36
New floor	715.6	704.6	721.1	700

Item	Main	Standard	Rapid
	0	0	0
	14	5	9
	10	0	10
	0	0	0
	0	0	0
	0	0	0
History	24	5	19

Games since
	Main 24	Standard 5		Rapid 19		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	-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	7.5	53.57	30.4	1228.9	1259.3
Standard	5	2.5	50	0	1224.9	1224.9
Rapid	9	5	55.56	47.2	1231.2	1278.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	12	50	0	1216.7	1216.7
Standard	5	2.5	50	0	1224.9	1224.9
Rapid	19	9.5	50	0	1214.6	1214.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1215.6	1204.6	1221.1	1200
2025-09-01	1215.6	1204.6	1221.1	1200
2025-08-01	1202.9	1204.6	1196.5	1200
2025-07-01	1202.9	1204.6	1196.5	1200
2025-06-01	1202.9	1204.6	1196.5	1200
2025-05-01	1202.9	1204.6	1196.5	1200
2025-04-01	1196.8	1200	1196.5	1200
2025-03-01	1196.8	1200	1196.5	1200
2025-02-01	1196.8	1200	1196.5	1200
2025-01-01	1189.9	1200	1184.8	1200
2024-12-01	1189.9	1200	1184.8	1200
2024-11-01	1189.9	1200	1184.8	1200
2024-10-01	1189.9	1200	1184.8	1200
2024-09-01	1189.9	1200	1184.8	1200
2024-08-01	1189.9	1200	1184.8	1200
2024-07-01	1189.9	1200	1184.8	1200
2024-06-01	1189.9	1200	1184.8	1200
2024-08-01	1189.9	1200	1184.8	1200
2024-04-01	1189.9	1200	1184.8	1200
2024-03-01	1187	1200	1178	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	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	3	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U11 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
3	LS Northmead Trials 2025 (U11)	2025-01-25	2025-01-25	Rapid	Ekurhuleni (GE)	5	4	2	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	3	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U11 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
3	LS Northmead Trials 2025 (U11)	2025-01-25	2025-01-25	Rapid	Ekurhuleni (GE)	5	4	2	Yes	Analysis
4	Benoni Primary School Cluster Individuals 2024 (U11 Boys)	2024-03-09	2024-03-09	Rapid	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
5	Laerskool Northmead Proewe 2024 (U11)	2024-02-10	2024-02-10	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-08-02	rnd 4	type Rapid	result 0.5
		Opponent Ramsoonder, A (Azriel)				Opponent Prins, K (Kobus)
2	2	Tournament LS Northmead Trials 2025				Tournament LS Northmead Trials 2025
		date 2025-01-25	rnd 3	type Rapid	result 1	date 2025-01-25	rnd 4	type Rapid	result 1
		Opponent Wepener, N (Nathan)				Opponent Marais, S (Sj)
3	2	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 0.5
		Opponent Mosotu, B (Bk)				Opponent Gatsios, P (Panayiotis)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 0.5
		Opponent Ramsoonder, A (Azriel)				Opponent Stroebel, L (Lian)
2	1	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 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Teixeira, T (Tiano)				Opponent Teixeira, T (Tiano)

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 0.5	date 2025-08-02	rnd 4	type Rapid	result 0.5
		Opponent Teixeira, T (Tiano)				Opponent Prins, K (Kobus)
2	2	Tournament LS Northmead Trials 2025				Tournament LS Northmead Trials 2025
		date 2025-01-25	rnd 3	type Rapid	result 1	date 2025-01-25	rnd 4	type Rapid	result 1
		Opponent Wepener, N (Nathan)				Opponent Marais, S (Sj)
3	2	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 0.5
		Opponent Mosotu, B (Bk)				Opponent Gatsios, P (Panayiotis)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 2	type Rapid	result 1	date 2025-08-02	rnd 3	type Rapid	result 1
		Opponent Ragee, Z (Zarah)				Opponent Schneigansz, X (Xan)
2	2	Tournament LS Northmead Trials 2025				Tournament LS Northmead Trials 2025
		date 2025-01-25	rnd 3	type Rapid	result 1	date 2025-01-25	rnd 4	type Rapid	result 1
		Opponent Wepener, N (Nathan)				Opponent Marais, S (Sj)
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 Byleveldt, H (Hanu)				Opponent Viviers, C (Christopher)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Ramsoonder, A (Azriel)				Opponent Ramsoonder, A (Azriel)
2	1	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 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Teixeira, T (Tiano)				Opponent Teixeira, T (Tiano)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 2	type Rapid	result 1	date 2025-08-02	rnd 3	type Rapid	result 1
		Opponent Ragee, Z (Zarah)				Opponent Schneigansz, X (Xan)
2	2	Tournament LS Northmead Trials 2025				Tournament LS Northmead Trials 2025
		date 2025-01-25	rnd 3	type Rapid	result 1	date 2025-01-25	rnd 4	type Rapid	result 1
		Opponent Wepener, N (Nathan)				Opponent Marais, S (Sj)
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 Byleveldt, H (Hanu)				Opponent Viviers, C (Christopher)

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	Van Rensburg ,J (Janru)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Van Rensburg ,J (Janru)	2	1305.1	880.1	1	1275	880.1	1	1317.3	880.1	0	0	0
2	Teixeira ,T (Tiano)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
2	Teixeira ,T (Tiano)	2	1199.5	1412	1	1200	1624.5	1	1200	1199.5	0	0	0
3	Prins ,K (Kobus)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
3	Prins ,K (Kobus)	2	1262.8	1050.3	0	0	0	2	1285.3	1050.3	0	0	0
4	Stroebel ,L (Lian)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Stroebel ,L (Lian)	1	1205.8	1205.8	1	1200	1205.8	0	0	0	0	0	0
5	Solan ,J (Joshua)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Solan ,J (Joshua)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Ramsoonder ,A (Azriel)	1	1	425	1	1	425	0	0	0	0	0	0
6	Ramsoonder ,A (Azriel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Heydenreich ,J (Jayden)	1	1	425	0	0	0	1	1	425	0	0	0
7	Heydenreich ,J (Jayden)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Ragee ,Z (Zarah)	1	1	425	0	0	0	1	1	425	0	0	0
8	Ragee ,Z (Zarah)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Gatsios ,P (Panayiotis)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
9	Gatsios ,P (Panayiotis)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
10	Nortje ,W (Wesley)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Nortje ,W (Wesley)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Marais, I (Ivan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms