Chess South Africa Ratings Database

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Personal

Grobler, S (Stephan)

Chess SA id

1060119615

FIDE id

Date of birth

2006-06-12 (U20)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-12-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1170.8	1177.6	1152.8	1200
Raw rating	1170.8	1177.6	1152.8	1200
Weighted rating	1170.8	1177.6	1152.8	1200
Weighted performance	662.5	674.2	0	0
Floor	812.1	809.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	172.9	171.2	177.3	165.8
Highest rating	1333.3 2022-04-01	1323.7 2022-04-01	1211.1 2021-10-01	1200 2018-10-01
Highest raw rating	1312.1 2022-05-01	1309.6 2022-05-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1312.1 2022-12-01	1309.6 2022-12-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1333.3 2022-04-01	1323.7 2022-04-01	1211.1 2021-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1170.8	1177.6	1152.8	1200
Analysis
Rating	1170.8	1177.6	1152.8	1200
Raw rating	1170.8	1177.6	1152.8	1200
Weighted rating	1170.8	1177.6	1152.8
Weighted performance	662.5	674.2	0
K-factor	36	36	36	36
Floor	812.1	809.6	700	700
Max/Min rating change allowed	172.9	171.2	177.3	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	1170.8	1177.6	1152.8	1200
New weighted rating	1170.8	1177.6	1152.8	1200
New weighted performance	656.1	667.4	0	0
Temp new rating	1170.8	1177.6	1152.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1170.8	1177.6	1152.8	1200
New K-factor	36	36	36	36
New floor	812.1	809.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	38	31	7
	7	5	2
History	58	49	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Tshwane (GTP)
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	58	30.5	52.59	22	1196.3	1218.3
Standard	49	26.5	54.08	34.7	1189.4	1224.1
Rapid	9	4	44.44	-47.2	1233.4	1186.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1170.8	1177.6	1152.8	1200
2025-09-30	1170.8	1177.6	1152.8	1200
2025-09-01	1170.8	1177.6	1152.8	1200
2025-08-01	1170.8	1177.6	1152.8	1200
2025-07-01	1170.8	1177.6	1152.8	1200
2025-06-01	1170.8	1177.6	1152.8	1200
2025-05-01	1170.8	1177.6	1152.8	1200
2025-04-01	1170.8	1177.6	1152.8	1200
2025-03-01	1170.8	1177.6	1152.8	1200
2025-02-01	1170.8	1177.6	1152.8	1200
2025-01-01	1170.8	1177.6	1152.8	1200
2024-12-01	1170.8	1177.6	1152.8	1200
2024-11-01	1170.8	1177.6	1152.8	1200
2024-10-01	1170.8	1177.6	1152.8	1200
2024-09-01	1170.8	1177.6	1152.8	1200
2024-08-01	1170.8	1177.6	1152.8	1200
2024-07-01	1170.8	1177.6	1152.8	1200
2024-09-01	1170.8	1177.6	1152.8	1200
2024-05-01	1170.8	1177.6	1152.8	1200
2024-04-01	1170.8	1177.6	1152.8	1200
2024-03-01	1170.8	1177.6	1152.8	1200
2024-02-01	1170.8	1177.6	1152.8	1200
2024-01-01	1170.8	1177.6	1152.8	1200
2023-12-01	1170.8	1177.6	1152.8	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	2022 South African Junior Team Chess Championships (U18 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	6	0.5	Yes	Analysis
2	Afrikaanse Ho�r Seunskool Interne Skaak KampioenskAP 2022	2022-09-22	2022-09-22	Rapid	Tshwane (GTP)	7	7	3	Yes	Analysis
3	2022 Etienne Lewis (U18+U20 Open+Girls)	2022-09-02	2022-09-04	Standard	Tshwane (GTP)	7	5	2	Yes	Analysis
4	2022 Mid Gauteng Open (C)	2022-05-07	2022-05-07	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2022 Lubowski Open Tournament (D)	2022-04-09	2022-04-10	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2022 Chris Greyling Open (D)	2022-03-12	2022-03-12	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
7	Grey College Team Championship 2022 (A)	2022-02-18	2022-02-19	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
8	2021 Affies Interhuis	2021-10-28	2021-10-28	Rapid	Tshwane (GTP)	5	2	1	Yes	Analysis
9	2021 Blou Bul Tournament (D)	2021-04-10	2021-04-10	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
10	2020 Waterkloof Open (D)	2020-02-29	2020-03-01	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
11	2020 Registration Tournament (D)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	2019 Lardies Open (D)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Grey College Team Championship 2022				Tournament 2022 Chris Greyling Open
		date 2022-02-19	rnd 3	type Standard	result 1	date 2022-03-12	rnd 2	type Standard	result 1
		Opponent Hartslief, D (Dirk)				Opponent Buchner, E (Emil)
2	4	Tournament 2022 Chris Greyling Open				Tournament 2022 Lubowski Open Tournament
		date 2022-03-12	rnd 4	type Standard	result 1	date 2022-04-09	rnd 2	type Standard	result 1
		Opponent De Jager, J (Jandre)				Opponent Jansen Van Vuuren, L (Luan)
3	4	Tournament 2020 Registration Tournament				Tournament 2020 Waterkloof Open
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-29	rnd 3	type Standard	result 1
		Opponent Mostert, M (Mj)				Opponent Padayachy, S (Shreya)

#	Games	Start				End
1	5	Tournament Grey College Team Championship 2022				Tournament 2022 Chris Greyling Open
		date 2022-02-19	rnd 3	type Standard	result 1	date 2022-03-12	rnd 2	type Standard	result 1
		Opponent Hartslief, D (Dirk)				Opponent Buchner, E (Emil)
2	4	Tournament 2022 Chris Greyling Open				Tournament 2022 Lubowski Open Tournament
		date 2022-03-12	rnd 4	type Standard	result 1	date 2022-04-09	rnd 2	type Standard	result 1
		Opponent De Jager, J (Jandre)				Opponent Jansen Van Vuuren, L (Luan)
3	4	Tournament 2020 Registration Tournament				Tournament 2020 Waterkloof Open
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-29	rnd 3	type Standard	result 1
		Opponent Mostert, M (Mj)				Opponent Padayachy, S (Shreya)

#	Games	Start				End
1	2	Tournament 2021 Affies Interhuis				Tournament Afrikaanse Ho�r Seunskool Interne Skaak KampioenskAP 2022
		date 2021-10-28	rnd 2	type Rapid	result 1	date 2022-09-22	rnd 1	type Rapid	result 1
		Opponent Dednam, M (Michael)				Opponent Haupt, L (Liam Albert)
2	1	Tournament Afrikaanse Ho�r Seunskool Interne Skaak KampioenskAP 2022				Tournament Afrikaanse Ho�r Seunskool Interne Skaak KampioenskAP 2022
		date 2022-09-22	rnd 7	type Rapid	result 1	date 2022-09-22	rnd 7	type Rapid	result 1
		Opponent Fairbanks, M (Marco)				Opponent Fairbanks, M (Marco)
3	1	Tournament Afrikaanse Ho�r Seunskool Interne Skaak KampioenskAP 2022				Tournament Afrikaanse Ho�r Seunskool Interne Skaak KampioenskAP 2022
		date 2022-09-22	rnd 4	type Rapid	result 1	date 2022-09-22	rnd 4	type Rapid	result 1
		Opponent Boonzaaier, Z (Zachary Jesse)				Opponent Boonzaaier, Z (Zachary Jesse)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Grey College Team Championship 2022				Tournament 2022 Chris Greyling Open
		date 2022-02-19	rnd 3	type Standard	result 1	date 2022-03-12	rnd 2	type Standard	result 1
		Opponent Hartslief, D (Dirk)				Opponent Buchner, E (Emil)
2	4	Tournament 2022 Chris Greyling Open				Tournament 2022 Lubowski Open Tournament
		date 2022-03-12	rnd 4	type Standard	result 1	date 2022-04-09	rnd 2	type Standard	result 1
		Opponent De Jager, J (Jandre)				Opponent Jansen Van Vuuren, L (Luan)
3	4	Tournament 2020 Registration Tournament				Tournament 2020 Waterkloof Open
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-29	rnd 3	type Standard	result 1
		Opponent Mostert, M (Mj)				Opponent Padayachy, S (Shreya)

#	Games	Start				End
1	5	Tournament Grey College Team Championship 2022				Tournament 2022 Chris Greyling Open
		date 2022-02-19	rnd 3	type Standard	result 1	date 2022-03-12	rnd 2	type Standard	result 1
		Opponent Hartslief, D (Dirk)				Opponent Buchner, E (Emil)
2	4	Tournament 2022 Chris Greyling Open				Tournament 2022 Lubowski Open Tournament
		date 2022-03-12	rnd 4	type Standard	result 1	date 2022-04-09	rnd 2	type Standard	result 1
		Opponent De Jager, J (Jandre)				Opponent Jansen Van Vuuren, L (Luan)
3	4	Tournament 2020 Registration Tournament				Tournament 2020 Waterkloof Open
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-29	rnd 3	type Standard	result 1
		Opponent Mostert, M (Mj)				Opponent Padayachy, S (Shreya)

#	Games	Start				End
1	2	Tournament 2021 Affies Interhuis				Tournament Afrikaanse Ho�r Seunskool Interne Skaak KampioenskAP 2022
		date 2021-10-28	rnd 2	type Rapid	result 1	date 2022-09-22	rnd 1	type Rapid	result 1
		Opponent Dednam, M (Michael)				Opponent Haupt, L (Liam Albert)
2	1	Tournament Afrikaanse Ho�r Seunskool Interne Skaak KampioenskAP 2022				Tournament Afrikaanse Ho�r Seunskool Interne Skaak KampioenskAP 2022
		date 2022-09-22	rnd 7	type Rapid	result 1	date 2022-09-22	rnd 7	type Rapid	result 1
		Opponent Fairbanks, M (Marco)				Opponent Fairbanks, M (Marco)
3	1	Tournament Afrikaanse Ho�r Seunskool Interne Skaak KampioenskAP 2022				Tournament Afrikaanse Ho�r Seunskool Interne Skaak KampioenskAP 2022
		date 2022-09-22	rnd 4	type Rapid	result 1	date 2022-09-22	rnd 4	type Rapid	result 1
		Opponent Boonzaaier, Z (Zachary Jesse)				Opponent Boonzaaier, Z (Zachary Jesse)

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	Oosthuizen ,L (Ludrick)	2	2	425	2	2	425	0	0	0	0	0	0
1	Oosthuizen ,L (Ludrick)	2	1113.6	1538.6	2	1077.9	1538.6	0	0	0	0	0	0
2	Jacobs ,L (Lenita)	2	1	0	2	1	0	0	0	0	0	0	0
2	Jacobs ,L (Lenita)	2	1210.8	1210.8	2	1213.8	1210.8	0	0	0	0	0	0
3	Koster ,W (Wihan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Koster ,W (Wihan)	2	1257.7	832.7	1	1200	832.7	1	1200	832.7	0	0	0
4	Botha ,L (Lorelei)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Botha ,L (Lorelei)	1	1200.7	775.7	1	1198.8	775.7	0	0	0	0	0	0
5	Roberts ,F (Frans-Leigh)	1	1	425	1	1	425	0	0	0	0	0	0
5	Roberts ,F (Frans-Leigh)	1	1068.1	1493.1	1	1121.8	1493.1	0	0	0	0	0	0
6	Lodi ,N (Neo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Lodi ,N (Neo)	1	1520.9	1095.9	1	1521.5	1095.9	0	0	0	0	0	0
7	De Roos ,H (Hubert)	1	1	425	1	1	425	0	0	0	0	0	0
7	De Roos ,H (Hubert)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Tlhage ,MM (Molemo Mmatshwabi)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Tlhage ,MM (Molemo Mmatshwabi)	1	1295	870	1	1316.4	870	0	0	0	0	0	0
9	De Jager ,J (Jandre)	1	1	425	1	1	425	0	0	0	0	0	0
9	De Jager ,J (Jandre)	1	1162.7	1587.7	1	1158.4	1587.7	0	0	0	0	0	0
10	Swart ,Z (Zander)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Swart ,Z (Zander)	1	1279.2	854.2	1	1270.8	854.2	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

Grobler, S (Stephan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms