Chess South Africa Ratings Database

PLAYER PAGE

Personal

Greeff, A (Andries)

Chess SA id

1100098187

FIDE id

Date of birth

2010-10-01 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1523.4	1522	1271	1231.2
Raw rating	1523.4	1522	1271	1231.2
Weighted rating	1519.3	1518.4	1237.8	1231.2
Weighted performance	1232.6	1132.5	0	0
Floor	1033.2	1037.7	771	731.2
K-factor	32	32	36	36
Min/Max rating change allowed	104.6	104.8	149.9	158.6
Highest rating	1540.9 2022-10-01	1537.7 2023-05-01	1271 2025-06-01	1277.3 2022-05-01
Highest raw rating	1533.2 2023-05-01	1537.7 2023-05-01	1271 2025-06-01	1231.2 2024-02-01
Highest weighted rating	1516.7 2025-08-01	1515.8 2025-08-01	1224.1 2025-08-01	1231.2 2024-05-01
Highest weighted performance	1540.9 2022-10-01	1535.8 2022-10-01	1200 2020-01-01	1277.3 2022-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1523.4	1522	1271	1231.2
Analysis
Rating	1523.4	1522	1271	1231.2
Raw rating	1523.4	1522	1271	1231.2
Weighted rating	1519.3	1518.4	1237.8
Weighted performance	1232.6	1132.5	0
K-factor	32	32	36	36
Floor	1033.2	1037.7	771	731.2
Max/Min rating change allowed	104.6	104.8	149.9	158.6
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	1523.4	1522	1271	1231.2
New weighted rating	1520	1519.1	1241.5	1231.2
New weighted performance	1223.8	1123.6	0	0
Temp new rating	1523.4	1522	1271	1231.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1523.4	1522	1271	1231.2
New K-factor	32	32	36	36
New floor	1033.2	1037.7	771	731.2

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	5	0	5	0
	4	4	0	0
	15	15	0	0
	71	53	9	9
	10	10	0	0
History	175	152	14	9

Games since
	Main 9	Standard 4		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	4	80	255	1288.3	1543.3
Standard	0	0	0	0	0	0
Rapid	5	4	80	255	1288.3	1543.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	175	107.5	61.43	97.1	1210.8	1308
Standard	152	97	63.82	117.4	1199.9	1317.3
Rapid	14	7	50	0	1227.2	1227.2
Blitz	9	3.5	38.89	-94.4	1370.9	1276.5

Date	Main	Standard	Rapid	Blitz
2025-11-01	1523.4	1522	1271	1231.2
2025-09-30	1523.4	1522	1271	1231.2
2025-09-01	1523.4	1522	1271	1231.2
2025-08-01	1523.4	1522	1271	1231.2
2025-07-01	1523.4	1522	1271	1231.2
2025-06-01	1523.4	1522	1271	1231.2
2025-05-01	1521.3	1522	1213.3	1231.2
2025-04-01	1521.3	1522	1213.3	1231.2
2025-03-01	1521.3	1522	1213.3	1231.2
2025-02-01	1521.3	1522	1213.3	1231.2
2025-01-01	1521.3	1522	1213.3	1231.2
2024-12-01	1521.3	1522	1213.3	1231.2
2024-11-01	1521.3	1522	1213.3	1231.2
2024-10-01	1521.3	1522	1213.3	1231.2
2024-09-01	1521.3	1522	1213.3	1231.2
2024-08-01	1501.9	1498	1213.3	1231.2
2024-07-01	1501.9	1498	1213.3	1231.2
2024-09-01	1501.9	1498	1213.3	1231.2
2024-05-01	1501.9	1498	1213.3	1231.2
2024-04-01	1501.9	1498	1213.3	1231.2
2024-03-01	1501.9	1498	1213.3	1231.2
2024-02-01	1501.9	1498	1213.3	1231.2
2024-01-01	1501.9	1498	1213.3	1231.2
2023-12-01	1501.9	1498	1138.8	1231.2

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	Robday Bergsig Sport Festival 2025 (Juniors)	2025-05-03	2025-05-03	Rapid	Bojanala Platina (NBR)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Robday Bergsig Sport Festival 2025 (Juniors)	2025-05-03	2025-05-03	Rapid	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
2	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U15B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	4	4	Yes	Analysis
3	Ekurhuleni North Schools Individual Finals 2023 (U13 Boys)	2023-05-12	2023-05-12	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Ekurhuleni Trials 2 2023 (U14)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
5	Ekhuruleni Chess Trials 1 2023 (U14)	2023-03-25	2023-03-25	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
6	ACB Tournament 2022 (A)	2022-10-07	2022-10-08	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
7	Ekurhuleni-North Schools Teams 2022 (U13)	2022-08-06	2022-08-06	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
8	2022 Gauteng Schools Individual Chess Championship (U13 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
9	World Cadets Rapid Championships 2022	2022-05-01	2022-05-02	Rapid	FIDE (FID)	9	9	3	Yes	Analysis
10	World Youth Blitz Championships 2022	2022-05-03	2022-05-03	Blitz	FIDE (FID)	9	9	3.5	Yes	Analysis
11	Ekurhuleni-North Schools Finals Indiv 2022 (U13 Boys)	2022-05-13	2022-05-13	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
12	Ekurhuleni Trials 2 2022 (U14)	2022-05-28	2022-05-28	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
13	Ekurhuleni Trials 1 2022 (U14)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
14	South African Junior Closed Chess Championships 2022 (U12 Open)	2022-03-28	2022-04-02	Standard	Chess South Africa (CSA)	11	11	5.5	Yes	Analysis
15	2022 Gauteng Interregion (U12 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
16	Ekurhuleni Chess Open 2022 (D)	2022-01-08	2022-01-09	Standard	Ekurhuleni (GE)	7	7	5.5	Yes	Analysis
17	Ekurhuleni Trials (3)	2021-11-06	2021-11-06	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
18	Ekurhuleni North Schools Individual 2021 (C)	2021-09-11	2021-09-11	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
19	2019 South African Top Schools Team Championships (U9 Open+U11 Girls)	2020-01-10	2020-01-11	Standard	4 Knights (4K)	5	5	2	Yes	Analysis
20	2019 South African Junior Team Championships (U10D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	3.5	Yes	Analysis
21	2019 Gauteng School League Finals (U9 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
22	Boksburg Chess Club Open 2019 (D)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
23	Ekurhuleni Trials (3)	2019-06-08	2019-06-08	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
24	Ekurhuleni Trials 2 2019 (U10)	2019-04-27	2019-04-27	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
25	Ekurhuleni Trials 1 2019 (U10)	2019-03-09	2019-03-09	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
26	South African Junior Team Championships 2018 (U10C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	5	1	Yes	Analysis
27	Ekurhuleni North District Schools Final 2018 (U9)	2018-08-04	2018-08-04	Standard	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
28	Embalenhle Open 2018 (C)	2018-06-30	2018-06-30	Standard	Gert Sibande (MGS)	5	5	2	Yes	Analysis
29	2018 Swartkop Open (D)	2018-06-23	2018-06-23	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
30	Ekurhuleni Trials 3 2018 (U10)	2018-06-16	2018-06-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
31	Ekurhuleni Trials 2 2018 (U10)	2018-04-21	2018-04-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
32	Ekurhuleni Trials 1 2018 (U10)	2018-03-10	2018-03-10	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	11	Tournament Ekurhuleni Trials 2 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-05-28	rnd 3	type Standard	result 1	date 2022-08-06	rnd 3	type Standard	result 1
		Opponent Monteiro Correia, M (Maya)				Opponent Manaka, P (Ponagalo)
2	9	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-05-12	rnd 3	type Standard	result 1
		Opponent Ambrose, I (Isabella)				Opponent Singh, V (Vimal)
3	8	Tournament World Youth Blitz Championships 2022				Tournament Ekurhuleni Trials 2 2022
		date 2022-05-03	rnd 8	type Blitz	result 1	date 2022-05-28	rnd 1	type Standard	result 1
		Opponent Silaghi Matias-Radu				Opponent Dippenaar, S (Scarlett)

#	Games	Start				End
1	11	Tournament Ekurhuleni Trials 2 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-05-28	rnd 3	type Standard	result 1	date 2022-08-06	rnd 3	type Standard	result 1
		Opponent Monteiro Correia, M (Maya)				Opponent Manaka, P (Ponagalo)
2	9	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-05-12	rnd 3	type Standard	result 1
		Opponent Ambrose, I (Isabella)				Opponent Singh, V (Vimal)
3	7	Tournament Ekurhuleni North Schools Individual 2021				Tournament Ekurhuleni Trials
		date 2021-09-11	rnd 1	type Standard	result 1	date 2021-11-06	rnd 2	type Standard	result 1
		Opponent Du Plessis, Z (Zander)				Opponent Bothma, J (Jaculene)

#	Games	Start				End
1	4	Tournament Robday Bergsig Sport Festival 2025				Tournament Robday Bergsig Sport Festival 2025
		date 2025-05-03	rnd 2	type Rapid	result 1	date 2025-05-03	rnd 5	type Rapid	result 1
		Opponent De Jager, L (Luan)				Opponent Sehunwe, L (Lethlogonolo)
2	1	Tournament World Cadets Rapid Championships 2022				Tournament World Cadets Rapid Championships 2022
		date 2022-05-02	rnd 9	type Rapid	result 1	date 2022-05-02	rnd 9	type Rapid	result 1
		Opponent Silaghi Matias-Radu				Opponent Silaghi Matias-Radu
3	1	Tournament World Cadets Rapid Championships 2022				Tournament World Cadets Rapid Championships 2022
		date 2022-05-02	rnd 6	type Rapid	result 1	date 2022-05-02	rnd 6	type Rapid	result 1
		Opponent Mac Kenzie Tayden				Opponent Mac Kenzie Tayden

#	Games	Start				End
1	2	Tournament World Youth Blitz Championships 2022				Tournament World Youth Blitz Championships 2022
		date 2022-05-03	rnd 8	type Blitz	result 1	date 2022-05-03	rnd 9	type Blitz	result 1
		Opponent Silaghi Matias-Radu				Opponent Cockin Ruan
2	2	Tournament World Youth Blitz Championships 2022				Tournament World Youth Blitz Championships 2022
		date 2022-05-03	rnd 2	type Blitz	result 0.5	date 2022-05-03	rnd 3	type Blitz	result 1
		Opponent Ferjani Mohamed Islem				Opponent Mroczkowski Adam

#	Games	Start				End
1	11	Tournament Ekurhuleni Trials 2 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-05-28	rnd 3	type Standard	result 1	date 2022-08-06	rnd 3	type Standard	result 1
		Opponent Monteiro Correia, M (Maya)				Opponent Manaka, P (Ponagalo)
2	9	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-05-12	rnd 3	type Standard	result 1
		Opponent Ambrose, I (Isabella)				Opponent Singh, V (Vimal)
3	7	Tournament Ekurhuleni North Schools Individual 2021				Tournament Ekurhuleni Trials
		date 2021-09-11	rnd 1	type Standard	result 1	date 2021-11-06	rnd 2	type Standard	result 1
		Opponent Du Plessis, Z (Zander)				Opponent Bothma, J (Jaculene)

#	Games	Start				End
1	11	Tournament Ekurhuleni Trials 2 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-05-28	rnd 3	type Standard	result 1	date 2022-08-06	rnd 3	type Standard	result 1
		Opponent Monteiro Correia, M (Maya)				Opponent Manaka, P (Ponagalo)
2	9	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-05-12	rnd 3	type Standard	result 1
		Opponent Ambrose, I (Isabella)				Opponent Singh, V (Vimal)
3	7	Tournament Ekurhuleni North Schools Individual 2021				Tournament Ekurhuleni Trials
		date 2021-09-11	rnd 1	type Standard	result 1	date 2021-11-06	rnd 2	type Standard	result 1
		Opponent Du Plessis, Z (Zander)				Opponent Bothma, J (Jaculene)

#	Games	Start				End
1	4	Tournament Robday Bergsig Sport Festival 2025				Tournament Robday Bergsig Sport Festival 2025
		date 2025-05-03	rnd 2	type Rapid	result 1	date 2025-05-03	rnd 5	type Rapid	result 1
		Opponent De Jager, L (Luan)				Opponent Sehunwe, L (Lethlogonolo)
2	1	Tournament World Cadets Rapid Championships 2022				Tournament World Cadets Rapid Championships 2022
		date 2022-05-02	rnd 9	type Rapid	result 1	date 2022-05-02	rnd 9	type Rapid	result 1
		Opponent Silaghi Matias-Radu				Opponent Silaghi Matias-Radu
3	1	Tournament World Cadets Rapid Championships 2022				Tournament World Cadets Rapid Championships 2022
		date 2022-05-02	rnd 6	type Rapid	result 1	date 2022-05-02	rnd 6	type Rapid	result 1
		Opponent Mac Kenzie Tayden				Opponent Mac Kenzie Tayden

#	Games	Start				End
1	2	Tournament World Youth Blitz Championships 2022				Tournament World Youth Blitz Championships 2022
		date 2022-05-03	rnd 8	type Blitz	result 1	date 2022-05-03	rnd 9	type Blitz	result 1
		Opponent Silaghi Matias-Radu				Opponent Cockin Ruan
2	1	Tournament World Youth Blitz Championships 2022				Tournament World Youth Blitz Championships 2022
		date 2022-05-03	rnd 3	type Blitz	result 1	date 2022-05-03	rnd 3	type Blitz	result 1
		Opponent Mroczkowski Adam				Opponent Mroczkowski Adam

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	Nickols ,C (Christi)	3	3	425	3	3	425	0	0	0	0	0	0
1	Nickols ,C (Christi)	3	1056.2	1481.2	3	1062.9	1481.2	0	0	0	0	0	0
2	Hattingh ,T (Tiaan)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
2	Hattingh ,T (Tiaan)	3	1123.3	1406.6	3	1114.5	1406.6	0	0	0	0	0	0
3	Bothma ,J (Jaculene)	3	3	425	3	3	425	0	0	0	0	0	0
3	Bothma ,J (Jaculene)	3	1330.8	1755.8	3	1331.4	1755.8	0	0	0	0	0	0
4	Pillay ,Z (Zac)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
4	Pillay ,Z (Zac)	3	1361	1077.6	3	1349	1077.6	0	0	0	0	0	0
5	Lovett ,S (Saffron)	3	3	425	3	3	425	0	0	0	0	0	0
5	Lovett ,S (Saffron)	3	1240.9	1665.9	3	1232	1665.9	0	0	0	0	0	0
6	Tema ,O (Ofana)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
6	Tema ,O (Ofana)	3	1321.1	1321.1	3	1300.1	1321.1	0	0	0	0	0	0
7	Pieterse ,JF (Jurgens Francois)	2	2	425	2	2	425	0	0	0	0	0	0
7	Pieterse ,JF (Jurgens Francois)	2	1145.3	1570.3	2	1138.4	1570.3	0	0	0	0	0	0
8	Nash ,O (Owen)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Nash ,O (Owen)	2	1179.8	967.3	2	1174.1	967.3	0	0	0	0	0	0
9	Shana ,C (Christian)	2	1	0	2	1	0	0	0	0	0	0	0
9	Shana ,C (Christian)	2	1136.4	1136.4	2	1124.4	1136.4	0	0	0	0	0	0
10	Botha ,JCC (Johannes Christiaan Corneli)	2	2	425	2	2	425	0	0	0	0	0	0
10	Botha ,JCC (Johannes Christiaan Corneli)	2	1194.2	1619.2	2	1198.2	1619.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Greeff, A (Andries)

Ratings

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Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms