Chess South Africa Ratings Database

PLAYER PAGE

Personal

Piennaar, A (Anthen)

Chess SA id

1080151080

FIDE id

Date of birth

2008-10-07 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1409

Item	Main	Standard	Rapid	Blitz
Rating	1463.5	1471.9	1200	1200
Raw rating	1463.5	1471.9	1200	1200
Weighted rating	1421.4	1418	1200	1200
Weighted performance	1361.8	1360.7	0	0
Floor	963.5	971.9	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	113.9	112.6	165.8	165.8
Highest rating	1547 2023-02-01	1547.2 2023-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1463.5 2025-05-05	1471.9 2025-05-05	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1407.8 2025-08-01	1402.6 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1547 2023-02-01	1547.2 2023-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1463.5	1471.9	1200	1200
Analysis
Rating	1463.5	1471.9	1200	1200
Raw rating	1463.5	1471.9	1200	1200
Weighted rating	1421.4	1418	1200
Weighted performance	1361.8	1360.7	0
K-factor	32	32	36	36
Floor	963.5	971.9	700	700
Max/Min rating change allowed	113.9	112.6	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	1463.5	1471.9	1200	1200
New weighted rating	1427.3	1424.8	1200	1200
New weighted performance	1361.3	1360.2	0	0
Temp new rating	1463.5	1471.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1463.5	1471.9	1200	1200
New K-factor	32	32	36	36
New floor	963.5	971.9	700	700

Item	Main	Standard
	0	0
	25	25
	30	30
	13	13
	0	0
	0	0
History	68	68

Games since
	Main 55	Standard 55		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1542		470		116
Male	1303		385		98
U18	245		75		15
U18 Male	217		65		15
Standard
	RSA		Province		Region
Overall	1388		377		98
Male	1168		302		80
U18	226		57		11
U18 Male	198		48		11
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	25	18	72	187	1308.2	1495.2
Standard	25	18	72	187	1308.2	1495.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	68	46	67.65	150	1285.1	1435.1
Standard	68	46	67.65	150	1285.1	1435.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1463.5	1471.9	1200	1200
2025-09-01	1463.5	1471.9	1200	1200
2025-08-01	1463.5	1471.9	1200	1200
2025-07-01	1463.5	1471.9	1200	1200
2025-06-01	1463.5	1471.9	1200	1200
2025-05-01	1463.5	1471.9	1200	1200
2025-04-01	1409.4	1402.4	1200	1200
2025-03-01	1412.4	1402.3	1200	1200
2025-02-01	1392.9	1371	1200	1200
2025-01-01	1392.9	1371	1200	1200
2024-12-01	1392.9	1371	1200	1200
2024-11-01	1401.4	1387.9	1200	1200
2024-10-01	1401.4	1387.9	1200	1200
2024-09-01	1401.4	1387.9	1200	1200
2024-08-01	1401.4	1387.9	1200	1200
2024-07-01	1401.4	1387.9	1200	1200
2024-06-01	1401.4	1387.9	1200	1200
2024-08-01	1401.4	1387.9	1200	1200
2024-04-01	1353.8	1344	1200	1200
2024-03-01	1325.7	1341.8	1200	1200
2024-02-01	1273.7	1283.8	1200	1200
2024-01-01	1273.7	1283.8	1200	1200
2023-12-01	1273.7	1283.8	1200	1200
2023-11-01	1273.7	1283.8	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	Eden Chess Trials 2 2025 (U18)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	7	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	0	0	No	Analysis
5	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Chess Trials 2 2025 (U18)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	7	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	0	0	No	Analysis
5	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
6	Eden Gambit Chess Tournament 2024 (B)	2024-11-02	2024-11-02	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
7	Eden Chess Trials 2 2024 (U18)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	5	3.5	Yes	Analysis
8	Western Cape HS Individuals Championship 2024 (U18 Boys)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
9	Eden School Chess Trials 1 2024 (U18 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	4	Yes	Analysis
10	OUDUSSA Trials 2 2024 (U18 Boys+Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	4	Yes	Analysis
11	OUDUSSA Trials 1 2024 (U18 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	4	2.5	Yes	Analysis
12	Eden Trials 2+3 2023 (U16)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	4	2	Yes	Analysis
13	Eden Trails 1 2023 (U15 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	4	3	Yes	Analysis
14	Oudussa Proewe 1 2023 (U15 Boys)	2023-02-11	2023-02-11	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Oudussa Proewe 1 2023				Tournament Oudussa Proewe 1 2023
		date 2023-02-11	rnd 1	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Freeks, L (Llewellyn)				Opponent Botha, J (Josephnique)
2	4	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Jullies, J (Jaydin)				Opponent Konstabel, L (Landyn)
3	4	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Konstabel, L (Landyn)				Opponent May, B (Behago)

#	Games	Start				End
1	5	Tournament Oudussa Proewe 1 2023				Tournament Oudussa Proewe 1 2023
		date 2023-02-11	rnd 1	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Freeks, L (Llewellyn)				Opponent Botha, J (Josephnique)
2	4	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Jullies, J (Jaydin)				Opponent Konstabel, L (Landyn)
3	4	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Konstabel, L (Landyn)				Opponent May, B (Behago)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Jullies, J (Jaydin)				Opponent Konstabel, L (Landyn)
2	4	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Konstabel, L (Landyn)				Opponent May, B (Behago)
3	4	Tournament OUDUSSA Trials 2 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-03-09	rnd 1	type Standard	result 1
		Opponent Jacobs, X (Xyviar)				Opponent Beukes, R (Rayneqo)

#	Games	Start				End
1	4	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Jullies, J (Jaydin)				Opponent Konstabel, L (Landyn)
2	4	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 1	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Konstabel, L (Landyn)				Opponent May, B (Behago)
3	4	Tournament OUDUSSA Trials 2 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-03-09	rnd 1	type Standard	result 1
		Opponent Jacobs, X (Xyviar)				Opponent Beukes, R (Rayneqo)

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	Titus ,J (Jewandre)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
1	Titus ,J (Jewandre)	3	1215.7	1499.1	3	1214.6	1499.1	0	0	0	0	0	0
2	Isaaks ,M (Matthew)	2	2	425	2	2	425	0	0	0	0	0	0
2	Isaaks ,M (Matthew)	2	1203.1	1628.1	2	1208.4	1628.1	0	0	0	0	0	0
3	Saku ,L (Lisolethu)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Saku ,L (Lisolethu)	2	1495.8	1070.8	2	1503.4	1070.8	0	0	0	0	0	0
4	De Jongh ,H (Herchelle)	2	2	425	2	2	425	0	0	0	0	0	0
4	De Jongh ,H (Herchelle)	2	1137.2	1562.2	2	1132.4	1562.2	0	0	0	0	0	0
5	Konstabel ,L (Landyn)	2	2	425	2	2	425	0	0	0	0	0	0
5	Konstabel ,L (Landyn)	2	1168.4	1593.4	2	1172.8	1593.4	0	0	0	0	0	0
6	Daniels ,R (Reuben)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Daniels ,R (Reuben)	2	1572.2	1359.8	2	1564.4	1359.8	0	0	0	0	0	0
7	Beukes ,R (Rayneqo)	2	2	425	2	2	425	0	0	0	0	0	0
7	Beukes ,R (Rayneqo)	2	1183.1	1608.1	2	1166.6	1608.1	0	0	0	0	0	0
8	Felix ,D (Dylan)	2	2	425	2	2	425	0	0	0	0	0	0
8	Felix ,D (Dylan)	2	1235.1	1660.1	2	1241.4	1660.1	0	0	0	0	0	0
9	May ,B (Behago)	2	2	425	2	2	425	0	0	0	0	0	0
9	May ,B (Behago)	2	1357.4	1782.4	2	1347.4	1782.4	0	0	0	0	0	0
10	Winster ,W (Wayne)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Winster ,W (Wayne)	1	1301.9	1301.9	1	1226.1	1301.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Piennaar, A (Anthen)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms