Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vermaak, L (Louis Jacobus)

Chess SA id

1110323802

FIDE id

Date of birth

2011-03-22 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1326.2	1313.8	1256.3	1200
Raw rating	1326.2	1313.8	1256.3	1200
Weighted rating	1244.5	1239	1220.6	1200
Weighted performance	0	0	0	0
Floor	826.2	813.8	756.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	138.5	141	153	165.8
Highest rating	1326.2 2025-11-01	1313.8 2025-11-01	1256.3 2025-09-01	1200 2025-08-01
Highest raw rating	1326.2 2025-11-01	1313.8 2025-11-01	1256.3 2025-09-01	1200 2025-08-01
Highest weighted rating	1227.1 2025-11-01	1223.1 2025-11-01	1204.5 2025-09-01	1200 2025-08-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1326.2	1313.8	1256.3	1200
Analysis
Rating	1326.2	1313.8	1256.3	1200
Raw rating	1326.2	1313.8	1256.3	1200
Weighted rating	1244.5	1239	1220.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	826.2	813.8	756.3	700
Max/Min rating change allowed	138.5	141	153	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	1326.2	1313.8	1256.3	1200
New weighted rating	1252.6	1246.3	1224.2	1200
New weighted performance	0	0	0	0
Temp new rating	1326.2	1313.8	1256.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1326.2	1313.8	1256.3	1200
New K-factor	36	36	36	36
New floor	826.2	813.8	756.3	700

Item	Main	Standard	Rapid
	0	0	0
	13	10	3
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	13	10	3

Games since
	Main 13	Standard 10		Rapid 3		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	13	11.5	88.46	326.9	1229.5	1556.4
Standard	10	8.5	85	297.5	1224.9	1522.4
Rapid	3	3	100	425	1244.8	1669.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	13	11.5	88.46	326.9	1229.5	1556.4
Standard	10	8.5	85	297.5	1224.9	1522.4
Rapid	3	3	100	425	1244.8	1669.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1326.2	1313.8	1256.3	1200
2025-11-30	1326.2	1313.8	1256.3	1200
2025-11-01	1326.2	1313.8	1256.3	1200
2025-09-30	1313.3	1293.6	1256.3	1200
2025-09-01	1313.3	1293.6	1256.3	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	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	2025 Gauteng Top Schools Teams (U15)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
2	Ekurhuleni North Schools Teams 2025 (U15 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
3	Kempton Park Team Clusters LS 2025 (High Schools)	2025-07-26	2025-07-26	Rapid	Ekurhuleni (GE)	4	3	3	Yes	Analysis

#	Games	Start				End
1	12	Tournament Kempton Park Team Clusters LS 2025				Tournament 2025 Gauteng Top Schools Teams
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 4	type Standard	result 1
		Opponent Meyer, C (Celise)				Opponent Kotze, N (Nathan)

#	Games	Start				End
1	5	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Seloma, K (Kamogelo)				Opponent Pieterse, Z (Zandri)

#	Games	Start				End
1	3	Tournament Kempton Park Team Clusters LS 2025				Tournament Kempton Park Team Clusters LS 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 4	type Rapid	result 1
		Opponent Meyer, C (Celise)				Opponent Ntombela, M (Mvela)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Kempton Park Team Clusters LS 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Meyer, C (Celise)				Opponent Pieterse, Z (Zandri)

#	Games	Start				End
1	5	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Seloma, K (Kamogelo)				Opponent Pieterse, Z (Zandri)

#	Games	Start				End
1	3	Tournament Kempton Park Team Clusters LS 2025				Tournament Kempton Park Team Clusters LS 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 4	type Rapid	result 1
		Opponent Meyer, C (Celise)				Opponent Ntombela, M (Mvela)

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	Pieterse ,Z (Zandri)	1	1	425	1	1	425	0	0	0	0	0	0
1	Pieterse ,Z (Zandri)	1	1182.6	1607.6	1	1180	1607.6	0	0	0	0	0	0
2	Seloma ,K (Kamogelo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Seloma ,K (Kamogelo)	1	1322	1747	1	1306.5	1747	0	0	0	0	0	0
3	Ruvunangiza ,Y (Yvan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Ruvunangiza ,Y (Yvan)	1	1183.5	1183.5	1	1181.2	1183.5	0	0	0	0	0	0
4	Muchayi ,V (Vieny)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Muchayi ,V (Vieny)	1	1197.2	772.2	1	1200	772.2	0	0	0	0	0	0
5	Menyatsoe ,R (Refiloe)	1	1	425	1	1	425	0	0	0	0	0	0
5	Menyatsoe ,R (Refiloe)	1	1282.9	1707.9	1	1292.7	1707.9	0	0	0	0	0	0
6	Kotze ,N (Nathan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Kotze ,N (Nathan)	1	1287.3	1712.3	1	1303	1712.3	0	0	0	0	0	0
7	Mokoena ,K (Khumo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mokoena ,K (Khumo)	1	1160.7	1585.7	1	1153.3	1585.7	0	0	0	0	0	0
8	Motaung ,B (Boitumelo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Motaung ,B (Boitumelo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Lin ,F (Feng-yunn)	1	1	425	1	1	425	0	0	0	0	0	0
9	Lin ,F (Feng-yunn)	1	1248.1	1673.1	1	1259	1673.1	0	0	0	0	0	0
10	Greenwood ,R (Raymond Christopher)	1	1	425	1	1	425	0	0	0	0	0	0
10	Greenwood ,R (Raymond Christopher)	1	1184.2	1609.2	1	1176.7	1609.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Vermaak, L (Louis Jacobus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms