Chess South Africa Ratings Database

PLAYER PAGE

Personal

Grobler, L (Louis)

Chess SA id

1060101318

FIDE id

Date of birth

2006-08-01 (U20)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1004.5	888.2	1236	1238.8
Raw rating	1004.5	888.2	1236	1238.8
Weighted rating	995.8	888.2	1230.6	1238.8
Weighted performance	699.5	201.9	0	0
Floor	715.3	718.4	736	738.8
K-factor	36	36	36	36
Min/Max rating change allowed	219.1	258.6	157.5	156.9
Highest rating	1289.8 2018-05-01	1289.8 2018-05-01	1421.7 2024-07-01	1310.1 2023-09-01
Highest raw rating	1215.3 2018-06-01	1218.4 2018-06-01	1236 2024-08-01	1238.8 2024-02-01
Highest weighted rating	1215.3 2019-01-01	1218.4 2019-01-01	1228.1 2025-08-01	1238.8 2025-08-01
Highest weighted performance	1289.8 2018-05-01	1289.8 2018-05-01	1421.7 2024-07-01	1310.1 2023-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1004.5	888.2	1236	1238.8
Analysis
Rating	1004.5	888.2	1236	1238.8
Raw rating	1004.5	888.2	1236	1238.8
Weighted rating	995.8	888.2	1230.6
Weighted performance	699.5	201.9	0
K-factor	36	36	36	36
Floor	715.3	718.4	736	738.8
Max/Min rating change allowed	219.1	258.6	157.5	156.9
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	1004.5	888.2	1236	1238.8
New weighted rating	997.5	888.2	1231.7	1238.8
New weighted performance	699.1	201.6	0	0
Temp new rating	1004.5	888.2	1236	1238.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1004.5	888.2	1236	1238.8
New K-factor	36	36	36	36
New floor	715.3	718.4	736	738.8

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	4	0	4	0
	8	0	0	8
	0	0	0	0
	0	0	0	0
History	73	61	4	8

Games since
	Main 4	Standard 0		Rapid 4		Blitz 0
Gender	Male
Age group	U20
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	73	25	34.25	-133.9	1156	1022.1
Standard	61	17	27.87	-188.1	1146.3	958.2
Rapid	4	3	75	212.5	1200	1412.5
Blitz	8	5	62.5	106.2	1208.3	1314.6

Date	Main	Standard	Rapid	Blitz
2025-09-30	1004.5	888.2	1236	1238.8
2025-09-01	1004.5	888.2	1236	1238.8
2025-08-01	1004.5	888.2	1236	1238.8
2025-07-01	1004.5	888.2	1236	1238.8
2025-06-01	1004.5	888.2	1236	1238.8
2025-05-01	1004.5	888.2	1236	1238.8
2025-04-01	1004.5	888.2	1236	1238.8
2025-03-01	1004.5	888.2	1236	1238.8
2025-02-01	1004.5	888.2	1236	1238.8
2025-01-01	1004.5	888.2	1236	1238.8
2024-12-01	1004.5	888.2	1236	1238.8
2024-11-01	1004.5	888.2	1236	1238.8
2024-10-01	1004.5	888.2	1236	1238.8
2024-09-01	1004.5	888.2	1236	1238.8
2024-08-01	1004.5	888.2	1236	1238.8
2024-07-01	946.4	888.2	1200	1238.8
2024-06-01	946.4	888.2	1200	1238.8
2024-08-01	946.4	888.2	1200	1238.8
2024-04-01	946.4	888.2	1200	1238.8
2024-03-01	946.4	888.2	1200	1238.8
2024-02-01	946.4	888.2	1200	1238.8
2024-01-01	946.4	888.2	1200	1238.8
2023-12-01	946.4	888.2	1200	1238.8
2023-11-01	946.4	888.2	1200	1238.8

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	2024 D6 Teams (Pool C U19)	2024-07-20	2024-07-20	Rapid	Ekurhuleni (GE)	5	4	3	Yes	Analysis
2	Helpmekaar Kollege Blitz Chess Invitational Sep 2023	2023-09-16	2023-09-16	Blitz	Johannesburg Metro (GJM)	9	8	5	Yes	Analysis
3	2019 Wild Card Chess Championship (U14 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	5	0	Yes	Analysis
4	2019 South African Junior Team Championships (U14E)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	0.5	Yes	Analysis
5	Boksburg Chess Club Open 2019 (C)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
6	2019 RMS Laerskole (U13)	2019-06-01	2019-06-01	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
7	Ekurhuleni Trials (3)	2019-06-08	2019-06-08	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
8	Ekurhuleni North School District Finals 2019 (U13 Boys)	2019-05-11	2019-05-11	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
9	Ekurhuleni Trials 2 2019 (U14)	2019-04-27	2019-04-27	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
10	Ekurhuleni Trials 1 2019 (U14)	2019-03-09	2019-03-09	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
11	Springs Chess Club Open 2019 (C)	2019-02-09	2019-02-09	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
12	Alberton Chess Club Open 2019 (C)	2019-02-23	2019-02-23	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
13	Boksburg Open 2019 (C)	2019-01-19	2019-01-19	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
14	Ekurhuleni North Schools Individuals 2018 (U13 Boys)	2018-05-12	2018-05-12	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 1	type Blitz	result 1	date 2023-09-16	rnd 5	type Blitz	result 1
		Opponent Akaloo, S (Sandreya)				Opponent Jordaan, CJ (Christiaan)
2	3	Tournament 2024 D6 Teams				Tournament 2024 D6 Teams
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 3	type Rapid	result 1
		Opponent Makuwerere, A (Ashley)				Opponent Mahachi, R (Rolland)
3	3	Tournament 2019 RMS Laerskole				Tournament 2019 RMS Laerskole
		date 2019-06-01	rnd 3	type Standard	result 1	date 2019-06-01	rnd 5	type Standard	result 1
		Opponent Bence, M (Mielle)				Opponent Claassens, R (Ruben)

#	Games	Start				End
1	3	Tournament 2019 RMS Laerskole				Tournament 2019 RMS Laerskole
		date 2019-06-01	rnd 3	type Standard	result 1	date 2019-06-01	rnd 5	type Standard	result 1
		Opponent Bence, M (Mielle)				Opponent Claassens, R (Ruben)
2	2	Tournament Ekurhuleni North School District Finals 2019				Tournament Ekurhuleni North School District Finals 2019
		date 2019-05-11	rnd 2	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Masina, S (Sizwe)				Opponent Lekoto, T (Tshogofatso)
3	2	Tournament Ekurhuleni Trials 1 2019				Tournament Ekurhuleni Trials 1 2019
		date 2019-03-09	rnd 4	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Van Loggerenberg, M (Marcus)				Opponent Gaokgorwe, O (Oatile)

#	Games	Start				End
1	3	Tournament 2024 D6 Teams				Tournament 2024 D6 Teams
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 3	type Rapid	result 1
		Opponent Makuwerere, A (Ashley)				Opponent Mahachi, R (Rolland)

#	Games	Start				End
1	4	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 1	type Blitz	result 1	date 2023-09-16	rnd 5	type Blitz	result 1
		Opponent Akaloo, S (Sandreya)				Opponent Jordaan, CJ (Christiaan)
2	1	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 7	type Blitz	result 1	date 2023-09-16	rnd 7	type Blitz	result 1
		Opponent Wang, E (Eric)				Opponent Wang, E (Eric)

#	Games	Start				End
1	4	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 1	type Blitz	result 1	date 2023-09-16	rnd 5	type Blitz	result 1
		Opponent Akaloo, S (Sandreya)				Opponent Jordaan, CJ (Christiaan)
2	3	Tournament 2024 D6 Teams				Tournament 2024 D6 Teams
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 3	type Rapid	result 1
		Opponent Makuwerere, A (Ashley)				Opponent Mahachi, R (Rolland)
3	2	Tournament Ekurhuleni North School District Finals 2019				Tournament Ekurhuleni North School District Finals 2019
		date 2019-05-11	rnd 2	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Masina, S (Sizwe)				Opponent Lekoto, T (Tshogofatso)

#	Games	Start				End
1	2	Tournament Ekurhuleni North School District Finals 2019				Tournament Ekurhuleni North School District Finals 2019
		date 2019-05-11	rnd 2	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Masina, S (Sizwe)				Opponent Lekoto, T (Tshogofatso)
2	2	Tournament Ekurhuleni Trials 1 2019				Tournament Ekurhuleni Trials 1 2019
		date 2019-03-09	rnd 4	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Van Loggerenberg, M (Marcus)				Opponent Gaokgorwe, O (Oatile)
3	2	Tournament Alberton Chess Club Open 2019				Tournament Alberton Chess Club Open 2019
		date 2019-02-23	rnd 4	type Standard	result 1	date 2019-02-23	rnd 5	type Standard	result 1
		Opponent Vuroyai, K (Kudakwashe)				Opponent De Vasconcelos, T (Tiaana)

#	Games	Start				End
1	3	Tournament 2024 D6 Teams				Tournament 2024 D6 Teams
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 3	type Rapid	result 1
		Opponent Makuwerere, A (Ashley)				Opponent Mahachi, R (Rolland)

#	Games	Start				End
1	4	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 1	type Blitz	result 1	date 2023-09-16	rnd 5	type Blitz	result 1
		Opponent Akaloo, S (Sandreya)				Opponent Jordaan, CJ (Christiaan)
2	1	Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023				Tournament Helpmekaar Kollege Blitz Chess Invitational Sep 2023
		date 2023-09-16	rnd 7	type Blitz	result 1	date 2023-09-16	rnd 7	type Blitz	result 1
		Opponent Wang, E (Eric)				Opponent Wang, E (Eric)

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	Boshoff ,B (Benje)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Boshoff ,B (Benje)	3	1174.1	749.1	3	1162.3	749.1	0	0	0	0	0	0
2	Visagie ,M (Mondre)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Visagie ,M (Mondre)	2	1267.7	842.7	2	1254.1	842.7	0	0	0	0	0	0
3	Gape ,K (Keeditse)	2	2	425	2	2	425	0	0	0	0	0	0
3	Gape ,K (Keeditse)	2	1094.4	1519.4	2	1072.6	1519.4	0	0	0	0	0	0
4	Venter ,JM (Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Venter ,JM (Johannes)	1	1133.4	708.4	1	1118.6	708.4	0	0	0	0	0	0
5	De Vasconcelos ,T (Tiaana)	1	1	425	1	1	425	0	0	0	0	0	0
5	De Vasconcelos ,T (Tiaana)	1	1061.3	1486.3	1	1027.9	1486.3	0	0	0	0	0	0
6	Greyling ,D (Duncan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Greyling ,D (Duncan)	1	1153.3	728.3	1	1143.9	728.3	0	0	0	0	0	0
7	Kruger ,M (Morne)	1	1	425	1	1	425	0	0	0	0	0	0
7	Kruger ,M (Morne)	1	1107	1532	1	1084	1532	0	0	0	0	0	0
8	Feuth ,R (Ryan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Feuth ,R (Ryan)	1	1076.5	651.5	1	1051.6	651.5	0	0	0	0	0	0
9	Heunis ,M (Martin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Heunis ,M (Martin)	1	1196	771	1	1195.6	771	0	0	0	0	0	0
10	Ackron ,T (Tyler)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ackron ,T (Tyler)	1	1195.7	770.7	1	1172.4	770.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Grobler, L (Louis)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms