Chess South Africa Ratings Database

PLAYER PAGE

Personal

Groenewald, A (Anwille)

Chess SA id

1020104318

FIDE id

Date of birth

2002-07-24 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1229.9	1238.1	1065.2	1200
Raw rating	1229.9	1238.1	1065.2	1200
Weighted rating	1174.1	1175.4	1065.2	1200
Weighted performance	1098.9	1094.5	0	0
Floor	729.9	738.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.9	157.1	200.9	165.8
Highest rating	1229.9 2025-11-01	1238.1 2025-11-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1229.9 2025-11-01	1238.1 2025-11-01	1200 2018-02-01	1200 2024-03-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1229.9	1238.1	1065.2	1200
Analysis
Rating	1229.9	1238.1	1065.2	1200
Raw rating	1229.9	1238.1	1065.2	1200
Weighted rating	1174.1	1175.4	1065.2
Weighted performance	1098.9	1094.5	0
K-factor	36	36	36	36
Floor	729.9	738.1	700	700
Max/Min rating change allowed	158.9	157.1	200.9	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	1229.9	1238.1	1065.2	1200
New weighted rating	1179.9	1181.9	1065.2	1200
New weighted performance	1091	1086.6	0	0
Temp new rating	1229.9	1238.1	1065.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1229.9	1238.1	1065.2	1200
New K-factor	36	36	36	36
New floor	729.9	738.1	700	700

Item	Main	Standard	Rapid
	0	0	0
	4	4	0
	11	11	0
	0	0	0
	0	0	0
	0	0	0
History	70	64	6

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	4	2	50	0	1559.3	1559.3
Standard	4	2	50	0	1559.3	1559.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	70	30	42.86	-60.7	1183.3	1122.6
Standard	64	28	43.75	-53.1	1205.9	1152.8
Rapid	6	2	33.33	-141.7	942.3	800.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1229.9	1238.1	1065.2	1200
2025-09-30	1178.2	1179.4	1065.2	1200
2025-09-01	1178.2	1179.4	1065.2	1200
2025-08-01	1178.2	1179.4	1065.2	1200
2025-07-01	1178.2	1179.4	1065.2	1200
2025-06-01	1178.2	1179.4	1065.2	1200
2025-05-01	1178.2	1179.4	1065.2	1200
2025-04-01	1178.2	1179.4	1065.2	1200
2025-03-01	1178.2	1179.4	1065.2	1200
2025-02-01	1178.2	1179.4	1065.2	1200
2025-01-01	1178.2	1179.4	1065.2	1200
2024-12-01	1178.2	1179.4	1065.2	1200
2024-11-01	1178.2	1179.4	1065.2	1200
2024-10-01	1178.2	1179.4	1065.2	1200
2024-09-01	1160.5	1163	1065.2	1200
2024-08-01	1160.5	1163	1065.2	1200
2024-07-01	1160.5	1163	1065.2	1200
2024-09-01	1107.4	1102.2	1065.2	1200
2024-05-01	1107.4	1102.2	1065.2	1200
2024-04-01	1107.4	1102.2	1065.2	1200
2024-03-01	1107.4	1102.2	1065.2	1200
2024-02-01	1107.4	1102.2	1065.2	1200
2024-01-01	1107.4	1102.2	1065.2	1200
2023-12-01	1107.4	1102.2	1065.2	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	Eden League 2025 (Premier Division)	2025-10-11	2025-10-11	Standard	Eden (WEG)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden League 2025 (Premier Division)	2025-10-11	2025-10-11	Standard	Eden (WEG)	5	4	2	Yes	Analysis
2	Mossel Bay Open 2024 (B)	2024-09-21	2024-09-21	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
3	Eden Open 2024 (B)	2024-06-22	2024-06-22	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
4	Eden Schools Closed Trials 1 2020 (U18 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	Mossel Bay Trials 2 2020 (U18)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	4	2	Yes	Analysis
6	Mossel Bay Trials 1 2020 (U18)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
7	2019 South African Junior Team Championships (U18A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	0	Yes	Analysis
8	Eden Top Schools 2019 (U18)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
9	Eden Trials 3 2019 (U18 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
10	Eden Trials 2 2019 (U18 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	2	Yes	Analysis
11	Eden Trials 1 2019 (U18 Open)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	3	Yes	Analysis
12	Eden Chess League 2018 (3rd Division)	2018-09-01	2018-09-01	Rapid	Eden (WEG)	7	6	2	Yes	Analysis
13	Western Cape Top Schools 2018 (U19 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
14	Eden Top Schools 2018 (U19 Mix)	2018-07-28	2018-07-28	Standard	Eden (WEG)	5	3	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament Eden Open 2024				Tournament Eden Open 2024
		date 2024-06-22	rnd 1	type Standard	result 0.5	date 2024-06-22	rnd 4	type Standard	result 1
		Opponent Jantjies, K (Keaton)				Opponent Winster, W (Wayne)
2	3	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 1 2020
		date 2020-02-01	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Muller, L (Luzane)				Opponent Mentoor, M (Mason)
3	3	Tournament Eden Trials 3 2019				Tournament Eden Trials 3 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Noemdo, K (Kaylah)				Opponent Daniels, J (Jerome)

#	Games	Start				End
1	4	Tournament Eden Open 2024				Tournament Eden Open 2024
		date 2024-06-22	rnd 1	type Standard	result 0.5	date 2024-06-22	rnd 4	type Standard	result 1
		Opponent Jantjies, K (Keaton)				Opponent Winster, W (Wayne)
2	3	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 1 2020
		date 2020-02-01	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Muller, L (Luzane)				Opponent Mentoor, M (Mason)
3	3	Tournament Eden Trials 3 2019				Tournament Eden Trials 3 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Noemdo, K (Kaylah)				Opponent Daniels, J (Jerome)

#	Games	Start				End
1	1	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-09-01	rnd 6	type Rapid	result 1	date 2018-09-01	rnd 6	type Rapid	result 1
		Opponent George, J (Jamie-Lee)				Opponent George, J (Jamie-Lee)
2	1	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-09-01	rnd 4	type Rapid	result 1	date 2018-09-01	rnd 4	type Rapid	result 1
		Opponent Marwasa, O (Olwethu)				Opponent Marwasa, O (Olwethu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Eden Open 2024				Tournament Eden Open 2024
		date 2024-06-22	rnd 2	type Standard	result 1	date 2024-06-22	rnd 4	type Standard	result 1
		Opponent Jama, L (Lutho)				Opponent Winster, W (Wayne)
2	3	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 1 2020
		date 2020-02-01	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Muller, L (Luzane)				Opponent Mentoor, M (Mason)
3	3	Tournament Eden Trials 3 2019				Tournament Eden Trials 3 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Noemdo, K (Kaylah)				Opponent Daniels, J (Jerome)

#	Games	Start				End
1	3	Tournament Eden Open 2024				Tournament Eden Open 2024
		date 2024-06-22	rnd 2	type Standard	result 1	date 2024-06-22	rnd 4	type Standard	result 1
		Opponent Jama, L (Lutho)				Opponent Winster, W (Wayne)
2	3	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 1 2020
		date 2020-02-01	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Muller, L (Luzane)				Opponent Mentoor, M (Mason)
3	3	Tournament Eden Trials 3 2019				Tournament Eden Trials 3 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Noemdo, K (Kaylah)				Opponent Daniels, J (Jerome)

#	Games	Start				End
1	1	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-09-01	rnd 6	type Rapid	result 1	date 2018-09-01	rnd 6	type Rapid	result 1
		Opponent George, J (Jamie-Lee)				Opponent George, J (Jamie-Lee)
2	1	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-09-01	rnd 4	type Rapid	result 1	date 2018-09-01	rnd 4	type Rapid	result 1
		Opponent Marwasa, O (Olwethu)				Opponent Marwasa, O (Olwethu)

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	Daniels ,J (Jerome)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Daniels ,J (Jerome)	3	1238.8	1380.5	3	1243.1	1380.5	0	0	0	0	0	0
2	Muller ,L (Luzane)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Muller ,L (Luzane)	2	1135.7	1348.2	2	1132.5	1348.2	0	0	0	0	0	0
3	Januarie ,N (Nevan)	2	1	0	2	1	0	0	0	0	0	0	0
3	Januarie ,N (Nevan)	2	1188.8	1188.8	2	1182	1188.8	0	0	0	0	0	0
4	Jaftha ,M (Migail)	1	1	425	1	1	425	0	0	0	0	0	0
4	Jaftha ,M (Migail)	1	1219.9	1644.9	1	1220.4	1644.9	0	0	0	0	0	0
5	Gertse ,L (Lillian)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Gertse ,L (Lillian)	1	1085.9	660.9	1	1084	660.9	0	0	0	0	0	0
6	Dickens ,F (Fernando)	1	1	425	1	1	425	0	0	0	0	0	0
6	Dickens ,F (Fernando)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Carolus ,R (Robyn)	1	1	425	1	1	425	0	0	0	0	0	0
7	Carolus ,R (Robyn)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Mazibuko ,B (Buhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mazibuko ,B (Buhle)	1	1392.2	967.2	1	1391.7	967.2	0	0	0	0	0	0
9	Nyirenda ,V (Vitumbiko)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nyirenda ,V (Vitumbiko)	1	1022.4	597.4	1	1014	597.4	0	0	0	0	0	0
10	Jacobs ,P (Pernell)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Jacobs ,P (Pernell)	1	1543.8	1118.8	1	1532.2	1118.8	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

Groenewald, A (Anwille)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms