Chess South Africa Ratings Database

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Personal

Jaffray, J (Joseph)

Chess SA id

1080133991

FIDE id

Date of birth

2008-09-07 (U18)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-19

Personal details last changed

1900-01-01

Junior GPX Games

62.5

Junior GPX Points

1444.7

Item	Main	Standard	Rapid	Blitz
Rating	1623.3	1626	1288.8	1238.9
Raw rating	1623.3	1626	1288.8	1238.9
Weighted rating	1559.7	1551.1	1265.1	1203.1
Weighted performance	1517.8	1620.8	0	0
Floor	1160.1	1152.9	788.8	738.9
K-factor	28	28	36	36
Min/Max rating change allowed	90.7	90.4	146.1	156.9
Highest rating	1682.1 2025-09-01	1670.9 2025-09-01	1369.5 2024-11-01	1238.9 2025-09-30
Highest raw rating	1660.1 2025-09-01	1652.9 2025-09-01	1288.8 2024-11-01	1238.9 2025-09-30
Highest weighted rating	1559.7 2025-09-30	1551.1 2025-09-30	1256.9 2025-08-01	1203.1 2025-09-30
Highest weighted performance	1682.1 2025-09-01	1670.9 2025-09-01	1369.5 2024-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1623.3	1626	1288.8	1238.9
Analysis
Rating	1623.3	1626	1288.8	1238.9
Raw rating	1623.3	1626	1288.8	1238.9
Weighted rating	1559.7	1551.1	1265.1
Weighted performance	1517.8	1620.8	0
K-factor	28	28	36	36
Floor	1160.1	1152.9	788.8	738.9
Max/Min rating change allowed	90.7	90.4	146.1	156.9
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	1623.3	1626	1288.8	1238.9
New weighted rating	1566.4	1558.7	1268.7	1206.1
New weighted performance	1517.3	1620.2	0	0
Temp new rating	1623.3	1626	1288.8	1238.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1623.3	1626	1288.8	1238.9
New K-factor	28	28	36	36
New floor	1160.1	1152.9	788.8	738.9

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	64	55	0	9
	38	33	5	0
	48	43	5	0
	17	17	0	0
	0	0	0	0
History	167	148	10	9

Games since
	Main 117	Standard 103		Rapid 5		Blitz 9
Gender	Male
Age group	U18
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	541		61		24
Male	501		58		23
U18	80		9		5
U18 Male	75		9		5
Standard
	RSA		Province		Region
Overall	506		54		22
Male	467		51		21
U18	71		8		5
U18 Male	66		8		5
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	64	44	68.75	159.4	1428.7	1588.1
Standard	55	39	70.91	177.7	1437.8	1615.5
Rapid	0	0	0	0	0	0
Blitz	9	5	55.56	47.2	1373.2	1420.4
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	167	107.5	64.37	122.2	1370.4	1492.5
Standard	148	96	64.86	126.4	1371.8	1498.2
Rapid	10	6.5	65	127.5	1346.1	1473.6
Blitz	9	5	55.56	47.2	1373.2	1420.4

Date	Main	Standard	Rapid	Blitz
2025-09-30	1623.3	1626	1288.8	1238.9
2025-09-01	1660.1	1652.9	1288.8	1200
2025-08-01	1635.9	1622.3	1288.8	1200
2025-07-01	1635.9	1622.3	1288.8	1200
2025-06-01	1607.2	1603.7	1288.8	1200
2025-05-01	1555.3	1551.6	1288.8	1200
2025-04-01	1526.6	1517	1288.8	1200
2025-03-01	1520	1509.2	1288.8	1200
2025-02-01	1508.7	1491.7	1288.8	1200
2025-01-01	1516.9	1496.8	1288.8	1200
2024-12-01	1516.9	1496.8	1288.8	1200
2024-11-01	1516.9	1496.8	1288.8	1200
2024-10-01	1533.6	1537.4	1197.6	1200
2024-09-01	1510.5	1510.2	1197.6	1200
2024-08-01	1495.6	1490.4	1197.6	1200
2024-07-01	1495.6	1490.4	1197.6	1200
2024-06-01	1495.6	1490.4	1197.6	1200
2024-08-01	1495.6	1490.4	1197.6	1200
2024-04-01	1479.1	1469.6	1197.6	1200
2024-03-01	1510.7	1503.5	1197.6	1200
2024-02-01	1528	1522.7	1197.6	1200
2024-01-01	1528	1522.7	1197.6	1200
2023-12-01	1528	1522.7	1197.6	1200
2023-11-01	1528	1522.7	1197.6	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	1st Friday Night Blitz 2025	2025-09-19	2025-09-19	Blitz	Nelson Mandela Bay (ENM)	9	9	5	Yes	Analysis
2	EC Closed 2025 (U18 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
3	FIDE in the Bay 2025 (A)	2025-08-30	2025-08-30	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
4	NMBCU Closed 2025 (U18)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
5	NMBCU Open 2025 (A)	2025-05-23	2025-05-25	Standard	Nelson Mandela Bay (ENM)	6	5	3	Yes	Analysis
6	NMBCU Trial 4 2025 (U18)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
7	NMB 3rd Trials 2025 (U18)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	5.5	Yes	Analysis
8	NMB 2nd Trials 2025 (U18)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
9	Pearson High Chess Festival 2025 (B)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
10	NMBCH Trial 1 2025 (U18)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	5	4	Yes	Analysis
11	NMBCU vs BCC Derby Chess Invitational 2025 (U18)	2025-01-10	2025-01-11	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	1st Friday Night Blitz 2025	2025-09-19	2025-09-19	Blitz	Nelson Mandela Bay (ENM)	9	9	5	Yes	Analysis
2	EC Closed 2025 (U18 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
3	FIDE in the Bay 2025 (A)	2025-08-30	2025-08-30	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
4	NMBCU Closed 2025 (U18)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
5	NMBCU Open 2025 (A)	2025-05-23	2025-05-25	Standard	Nelson Mandela Bay (ENM)	6	5	3	Yes	Analysis
6	NMBCU Trial 4 2025 (U18)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
7	NMB 3rd Trials 2025 (U18)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	5.5	Yes	Analysis
8	NMB 2nd Trials 2025 (U18)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
9	Pearson High Chess Festival 2025 (B)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
10	NMBCH Trial 1 2025 (U18)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	5	4	Yes	Analysis
11	NMBCU vs BCC Derby Chess Invitational 2025 (U18)	2025-01-10	2025-01-11	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
12	NMBCU Top Schools Final 2024 (High School)	2024-10-19	2024-10-19	Standard	Nelson Mandela Bay (ENM)	3	3	1	Yes	Analysis
13	NMBCU Top Schools 2024 (High School)	2024-10-12	2024-10-12	Rapid	Nelson Mandela Bay (ENM)	5	5	4.5	Yes	Analysis
14	NMBCU Closed 2024 (U18)	2024-09-20	2024-09-21	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
15	NMBCU Trial 5 2024 (U18)	2024-08-16	2024-08-17	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
16	NMBCU Trials 2 2024 (U18)	2024-04-12	2024-04-13	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
17	Madibaz Chess Tournament 2024 (B)	2024-03-01	2024-03-02	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
18	NMBCU Trials 1 2024 (U18)	2024-02-16	2024-02-16	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
19	NMBCU Trials 1 2024 (U16)	2024-02-16	2024-02-16	Standard	Nelson Mandela Bay (ENM)	6	1	0	Yes	Analysis
20	PECC Club Championship 2023 (Senior)	2023-10-12	2023-11-23	Standard	Nelson Mandela Bay (ENM)	6	3	2	Yes	Analysis
21	Eastern Cape Provincial Individual Championship 2023 (U16 Boys)	2023-10-05	2023-10-06	Standard	Nelson Mandela Bay (ENM)	7	7	5	Yes	Analysis
22	Eastern Cape Chess Team Championship 2023 (U16)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	5	4.5	Yes	Analysis
23	NMBCU Closed 2023 (U16)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
24	NMBCU Trial 4 2023 (U16)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	5	4	3	Yes	Analysis
25	2023 EC Schools Provincial Winter Games (U15 Boys)	2023-06-02	2023-06-03	Standard	Buffalo City (EBC)	6	6	3	Yes	Analysis
26	Youth Chess Acadamy Rapid Tournament 2023 (A)	2023-03-11	2023-03-11	Rapid	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
27	NMB 2nd Trials 2023 (U16)	2023-03-24	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
28	NMB 1st Trials 2023 (U16)	2023-02-17	2023-02-18	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
29	NSSC Winter Games 2022 (U15 Boys)	2022-07-04	2022-07-06	Standard	Cape Town (WCT)	7	7	4	Yes	Analysis
30	NMBCU Trial 3 2022 (U16)	2022-07-22	2022-07-23	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
31	2022 Nelson Mandela Bay Open (B)	2022-02-04	2022-02-06	Standard	Nelson Mandela Bay (ENM)	5	4	0	Yes	Analysis

#	Games	Start				End
1	13	Tournament NMB 2nd Trials 2025				Tournament NMBCU Trial 4 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Amachukwu, J (Joseph)				Opponent Grigor, R (Ruan)
2	9	Tournament NMBCU Closed 2024				Tournament NMBCU Top Schools Final 2024
		date 2024-09-21	rnd 4	type Standard	result 1	date 2024-10-19	rnd 1	type Standard	result 1
		Opponent Nyoka, I (Ibanathi)				Opponent Dlakavu, L (Lindokuhle)
3	8	Tournament Eastern Cape Chess Team Championship 2023				Tournament PECC Club Championship 2023
		date 2023-10-07	rnd 1	type Standard	result 1	date 2023-11-23	rnd 6	type Standard	result 0.5
		Opponent Phokophela, A (Anovuyo)				Opponent Bouwer, R (Ruben)

#	Games	Start				End
1	13	Tournament NMB 2nd Trials 2025				Tournament NMBCU Trial 4 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Amachukwu, J (Joseph)				Opponent Grigor, R (Ruan)
2	8	Tournament Eastern Cape Chess Team Championship 2023				Tournament PECC Club Championship 2023
		date 2023-10-07	rnd 1	type Standard	result 1	date 2023-11-23	rnd 6	type Standard	result 0.5
		Opponent Phokophela, A (Anovuyo)				Opponent Bouwer, R (Ruben)
3	7	Tournament NMBCU Open 2025				Tournament NMBCU Closed 2025
		date 2025-05-24	rnd 3	type Standard	result 0.5	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Chipunza, J (James)				Opponent Peter, N (Noah)

#	Games	Start				End
1	5	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Reid, L (Liam)				Opponent Mbombela, Y (Yamkela)
2	1	Tournament Youth Chess Acadamy Rapid Tournament 2023				Tournament Youth Chess Acadamy Rapid Tournament 2023
		date 2023-03-11	rnd 4	type Rapid	result 1	date 2023-03-11	rnd 4	type Rapid	result 1
		Opponent Davies, S (Stanton)				Opponent Davies, S (Stanton)
3	1	Tournament Youth Chess Acadamy Rapid Tournament 2023				Tournament Youth Chess Acadamy Rapid Tournament 2023
		date 2023-03-11	rnd 2	type Rapid	result 1	date 2023-03-11	rnd 2	type Rapid	result 1
		Opponent Plaatjies, M (Mowethu)				Opponent Plaatjies, M (Mowethu)

#	Games	Start				End
1	2	Tournament 1st Friday Night Blitz 2025				Tournament 1st Friday Night Blitz 2025
		date 2025-09-19	rnd 6	type Blitz	result 0.5	date 2025-09-19	rnd 7	type Blitz	result 1
		Opponent Tshalata, F (Fanele)				Opponent Molaudzi, S (Semakatso)
2	2	Tournament 1st Friday Night Blitz 2025				Tournament 1st Friday Night Blitz 2025
		date 2025-09-19	rnd 1	type Blitz	result 1	date 2025-09-19	rnd 2	type Blitz	result 1
		Opponent Mgolombane, S (Sesihle)				Opponent Memani, A (Ayabulela)
3	1	Tournament 1st Friday Night Blitz 2025				Tournament 1st Friday Night Blitz 2025
		date 2025-09-19	rnd 9	type Blitz	result 1	date 2025-09-19	rnd 9	type Blitz	result 1
		Opponent Mella, E (Emorej)				Opponent Mella, E (Emorej)

#	Games	Start				End
1	5	Tournament NMBCU Open 2025				Tournament NMBCU Closed 2025
		date 2025-05-25	rnd 5	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Bouwer, T (Tiaan)				Opponent Peter, N (Noah)
2	5	Tournament NMB 3rd Trials 2025				Tournament NMB 3rd Trials 2025
		date 2025-04-11	rnd 1	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Sotondoshe, G (Gift)				Opponent Jiki, S (Sandiso)
3	5	Tournament NMBCU Trial 4 2023				Tournament NMBCU Closed 2023
		date 2023-07-29	rnd 4	type Standard	result 1	date 2023-08-12	rnd 3	type Standard	result 1
		Opponent Wagner, J (Jayden)				Opponent Udemans, B (Billy)

#	Games	Start				End
1	5	Tournament NMBCU Open 2025				Tournament NMBCU Closed 2025
		date 2025-05-25	rnd 5	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Bouwer, T (Tiaan)				Opponent Peter, N (Noah)
2	5	Tournament NMB 3rd Trials 2025				Tournament NMB 3rd Trials 2025
		date 2025-04-11	rnd 1	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Sotondoshe, G (Gift)				Opponent Jiki, S (Sandiso)
3	5	Tournament NMBCU Trial 4 2023				Tournament NMBCU Closed 2023
		date 2023-07-29	rnd 4	type Standard	result 1	date 2023-08-12	rnd 3	type Standard	result 1
		Opponent Wagner, J (Jayden)				Opponent Udemans, B (Billy)

#	Games	Start				End
1	2	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 4	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Grootboom, C (Cairo)				Opponent Mbombela, Y (Yamkela)
2	2	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 1	date 2024-10-12	rnd 2	type Rapid	result 1
		Opponent Reid, L (Liam)				Opponent Jama, T (Thapelo)
3	1	Tournament Youth Chess Acadamy Rapid Tournament 2023				Tournament Youth Chess Acadamy Rapid Tournament 2023
		date 2023-03-11	rnd 4	type Rapid	result 1	date 2023-03-11	rnd 4	type Rapid	result 1
		Opponent Davies, S (Stanton)				Opponent Davies, S (Stanton)

#	Games	Start				End
1	2	Tournament 1st Friday Night Blitz 2025				Tournament 1st Friday Night Blitz 2025
		date 2025-09-19	rnd 1	type Blitz	result 1	date 2025-09-19	rnd 2	type Blitz	result 1
		Opponent Mgolombane, S (Sesihle)				Opponent Memani, A (Ayabulela)
2	1	Tournament 1st Friday Night Blitz 2025				Tournament 1st Friday Night Blitz 2025
		date 2025-09-19	rnd 9	type Blitz	result 1	date 2025-09-19	rnd 9	type Blitz	result 1
		Opponent Mella, E (Emorej)				Opponent Mella, E (Emorej)
3	1	Tournament 1st Friday Night Blitz 2025				Tournament 1st Friday Night Blitz 2025
		date 2025-09-19	rnd 7	type Blitz	result 1	date 2025-09-19	rnd 7	type Blitz	result 1
		Opponent Molaudzi, S (Semakatso)				Opponent Molaudzi, S (Semakatso)

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	Chipunza ,J (James)	11	2.5	-231.8	10	2.5	-212.5	1	0	-425	0	0	0
1	Chipunza ,J (James)	11	1564.9	1333.1	10	1573.7	1352.4	1	1233.1	1139.9	0	0	0
2	Bouwer ,R (Ruben)	7	6.5	364.3	7	6.5	364.3	0	0	0	0	0	0
2	Bouwer ,R (Ruben)	7	1264	1628.3	7	1269.8	1628.3	0	0	0	0	0	0
3	Amachukwu ,J (Joseph)	5	3.5	170	5	3.5	170	0	0	0	0	0	0
3	Amachukwu ,J (Joseph)	5	1316.6	1486.6	5	1312.6	1486.6	0	0	0	0	0	0
4	Peter ,NM (Neathan Mninawa)	5	0	-425	5	0	-425	0	0	0	0	0	0
4	Peter ,NM (Neathan Mninawa)	5	1781	1356	5	1784.4	1356	0	0	0	0	0	0
5	Grigor ,R (Ruan)	5	3.5	170	5	3.5	170	0	0	0	0	0	0
5	Grigor ,R (Ruan)	5	1394.7	1564.7	5	1389.1	1564.7	0	0	0	0	0	0
6	Taljard ,J (Julian)	5	3	85	5	3	85	0	0	0	0	0	0
6	Taljard ,J (Julian)	5	1432.7	1517.7	5	1438.4	1517.7	0	0	0	0	0	0
7	Lagardien ,I (Ismaeel)	4	0.5	-318.8	4	0.5	-318.8	0	0	0	0	0	0
7	Lagardien ,I (Ismaeel)	4	1700.1	1381.3	4	1699.5	1381.3	0	0	0	0	0	0
8	Mtshekexe ,U (Usemhle)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
8	Mtshekexe ,U (Usemhle)	4	1358.8	1465.1	4	1364.8	1465.1	0	0	0	0	0	0
9	Peter ,N (Noah)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
9	Peter ,N (Noah)	4	1668.1	1561.9	4	1664.5	1561.9	0	0	0	0	0	0
10	Schultz ,J (Jade)	3	3	425	3	3	425	0	0	0	0	0	0
10	Schultz ,J (Jade)	3	1369.2	1794.2	3	1357.1	1794.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jaffray, J (Joseph)

Ratings

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms