Chess South Africa Ratings Database

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Personal

Grobler, W (Wian)

Chess SA id

1080154177

FIDE id

Date of birth

2008-07-21 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1411.1

Item	Main	Standard	Rapid	Blitz
Rating	1417.4	1423.6	1200	1200
Raw rating	1417.4	1423.6	1200	1200
Weighted rating	1380.1	1388	1200	1200
Weighted performance	1324.2	1324.2	0	0
Floor	917.4	923.6	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	121.6	120.6	165.8	165.8
Highest rating	1417.4 2025-06-01	1423.6 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1417.4 2025-06-01	1423.6 2025-06-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1367.6 2025-08-01	1375.6 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1417 2024-09-01	1416.2 2024-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1417.4	1423.6	1200	1200
Analysis
Rating	1417.4	1423.6	1200	1200
Raw rating	1417.4	1423.6	1200	1200
Weighted rating	1380.1	1388	1200
Weighted performance	1324.2	1324.2	0
K-factor	32	32	36	36
Floor	917.4	923.6	700	700
Max/Min rating change allowed	121.6	120.6	165.8	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	1417.4	1423.6	1200	1200
New weighted rating	1385.6	1393.3	1200	1200
New weighted performance	1323.7	1323.7	0	0
Temp new rating	1417.4	1423.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1417.4	1423.6	1200	1200
New K-factor	32	32	36	36
New floor	917.4	923.6	700	700

Item	Main	Standard
	0	0
	5	5
	24	24
	13	13
	0	0
	0	0
History	42	42

Games since
	Main 29	Standard 29		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	5	3	60	85	1470.2	1555.2
Standard	5	3	60	85	1470.2	1555.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	42	26	61.9	101.2	1324.6	1425.8
Standard	42	26	61.9	101.2	1324.6	1425.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1417.4	1423.6	1200	1200
2025-09-01	1417.4	1423.6	1200	1200
2025-08-01	1417.4	1423.6	1200	1200
2025-07-01	1417.4	1423.6	1200	1200
2025-06-01	1417.4	1423.6	1200	1200
2025-05-01	1385.9	1395.7	1200	1200
2025-04-01	1385.9	1395.7	1200	1200
2025-03-01	1385.9	1395.7	1200	1200
2025-02-01	1385.9	1395.7	1200	1200
2025-01-01	1385.9	1395.7	1200	1200
2024-12-01	1399.1	1408.8	1200	1200
2024-11-01	1399.1	1408.8	1200	1200
2024-10-01	1399.1	1408.8	1200	1200
2024-09-01	1319.2	1327.1	1200	1200
2024-08-01	1319.2	1327.1	1200	1200
2024-07-01	1319.2	1327.1	1200	1200
2024-06-01	1296.2	1305.1	1200	1200
2024-08-01	1296.2	1305.1	1200	1200
2024-04-01	1296.2	1305.1	1200	1200
2024-03-01	1263.3	1266.2	1200	1200
2024-02-01	1263.3	1266.2	1200	1200
2024-01-01	1263.3	1266.2	1200	1200
2023-12-01	1263.3	1266.2	1200	1200
2023-11-01	1263.3	1266.2	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	2025 Tshwane South School District Individual Finals (D4) (U18 Boys)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District Individual Finals (D4) (U18 Boys)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Gauteng Inter-Region at UJ 2024 (U18 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	2024 Etienne Lewis (U18+U20)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	5	Yes	Analysis
4	2024 Elise Steenkamp Open Chess Tournament (Queens)	2024-06-15	2024-06-17	Standard	Tshwane (GTP)	7	7	4.5	Yes	Analysis
5	2024 Wynie Robbertse Chess Tournament (C2)	2024-03-02	2024-03-02	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	2023 Alekhine Open Tournament (C)	2023-09-09	2023-09-09	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
7	2023 Tshwane South School District CLOSED League Championship (U15)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	3	3	1.5	Yes	Analysis
8	2023 Tshwane South School District CLOSED Individual Championships (U15 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2024 Etienne Lewis				Tournament 2024 Etienne Lewis
		date 2024-08-31	rnd 3	type Standard	result 1	date 2024-09-01	rnd 7	type Standard	result 1
		Opponent Van Schalkwyk, N (Nathan)				Opponent Brummer, K (Kean)
2	4	Tournament 2025 Tshwane South School District Individual Finals (D4)				Tournament 2025 Tshwane South School District Individual Finals (D4)
		date 2025-05-10	rnd 1	type Standard	result 0.5	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Yang, A (Alex)				Opponent Thong, F (Fu Shing)
3	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 2	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent Kekana, S (Siphumelelo)				Opponent Venter, R (Ruben)

#	Games	Start				End
1	5	Tournament 2024 Etienne Lewis				Tournament 2024 Etienne Lewis
		date 2024-08-31	rnd 3	type Standard	result 1	date 2024-09-01	rnd 7	type Standard	result 1
		Opponent Van Schalkwyk, N (Nathan)				Opponent Brummer, K (Kean)
2	4	Tournament 2025 Tshwane South School District Individual Finals (D4)				Tournament 2025 Tshwane South School District Individual Finals (D4)
		date 2025-05-10	rnd 1	type Standard	result 0.5	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Yang, A (Alex)				Opponent Thong, F (Fu Shing)
3	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 2	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent Kekana, S (Siphumelelo)				Opponent Venter, R (Ruben)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 2	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent Kekana, S (Siphumelelo)				Opponent Venter, R (Ruben)
2	3	Tournament 2024 Elise Steenkamp Open Chess Tournament				Tournament 2024 Elise Steenkamp Open Chess Tournament
		date 2024-06-15	rnd 2	type Standard	result 1	date 2024-06-16	rnd 4	type Standard	result 1
		Opponent Maena, L (Levi)				Opponent Mburu, D (Daniel)
3	3	Tournament 2023 Alekhine Open Tournament				Tournament 2023 Alekhine Open Tournament
		date 2023-09-09	rnd 3	type Standard	result 1	date 2023-09-09	rnd 5	type Standard	result 1
		Opponent Mashaba, T (Thato)				Opponent Mkhize, S (Swelihle)

#	Games	Start				End
1	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 2	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent Kekana, S (Siphumelelo)				Opponent Venter, R (Ruben)
2	3	Tournament 2024 Elise Steenkamp Open Chess Tournament				Tournament 2024 Elise Steenkamp Open Chess Tournament
		date 2024-06-15	rnd 2	type Standard	result 1	date 2024-06-16	rnd 4	type Standard	result 1
		Opponent Maena, L (Levi)				Opponent Mburu, D (Daniel)
3	3	Tournament 2023 Alekhine Open Tournament				Tournament 2023 Alekhine Open Tournament
		date 2023-09-09	rnd 3	type Standard	result 1	date 2023-09-09	rnd 5	type Standard	result 1
		Opponent Mashaba, T (Thato)				Opponent Mkhize, S (Swelihle)

No games found.

#	Games	Start				End

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	Nason ,C (Cyle)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Nason ,C (Cyle)	2	1319.5	1107	2	1303.3	1107	0	0	0	0	0	0
2	Oosthuizen ,L (Ludrick)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Oosthuizen ,L (Ludrick)	1	1254.1	829.1	1	1247.4	829.1	0	0	0	0	0	0
3	Hearne ,L (Lionel Owen)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Hearne ,L (Lionel Owen)	1	1398.3	1398.3	1	1397.4	1398.3	0	0	0	0	0	0
4	Du Plessis ,M (Mia)	1	1	425	1	1	425	0	0	0	0	0	0
4	Du Plessis ,M (Mia)	1	1366.9	1791.9	1	1359.9	1791.9	0	0	0	0	0	0
5	Marais ,J (Jan-Luc)	1	1	425	1	1	425	0	0	0	0	0	0
5	Marais ,J (Jan-Luc)	1	1241.9	1666.9	1	1250.4	1666.9	0	0	0	0	0	0
6	Pillay ,D (Dharshen)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Pillay ,D (Dharshen)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
7	Fritz ,W (Wayde)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Fritz ,W (Wayde)	1	1253.7	828.7	1	1222	828.7	0	0	0	0	0	0
8	Masilo ,S (Sifiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Masilo ,S (Sifiso)	1	1476.4	1051.4	1	1469.2	1051.4	0	0	0	0	0	0
9	Olivier ,BM (Barnard Markus)	1	1	425	1	1	425	0	0	0	0	0	0
9	Olivier ,BM (Barnard Markus)	1	1200.6	1625.6	1	1190.4	1625.6	0	0	0	0	0	0
10	Wolfaardt ,J (John Eduan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Wolfaardt ,J (John Eduan)	1	1511.4	1086.4	1	1513.4	1086.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Grobler, W (Wian)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms