Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jonas, Y (Yongisipho)

Chess SA id

1100134132

FIDE id

Date of birth

2010-02-26 (U16)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-01-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1540.5	1551.8	1454.2	1200
Raw rating	1540.5	1551.8	1454.2	1200
Weighted rating	1523.1	1531.7	1452.9	1200
Weighted performance	1355.7	1364.7	1013.2	0
Floor	1040.5	1051.8	954.2	700
K-factor	32	32	32	36
Min/Max rating change allowed	102.1	100.4	115.4	165.8
Highest rating	1543.3 2024-06-01	1551.8 2025-02-01	1454.2 2024-07-01	1200 2018-10-01
Highest raw rating	1540.5 2025-02-01	1551.8 2025-02-01	1454.2 2024-07-01	1200 2024-02-01
Highest weighted rating	1510.6 2025-08-01	1517.2 2025-08-01	1451.6 2025-08-01	1200 2018-10-01
Highest weighted performance	1543.3 2024-06-01	1531.6 2024-06-01	1449.6 2022-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1540.5	1551.8	1454.2	1200
Analysis
Rating	1540.5	1551.8	1454.2	1200
Raw rating	1540.5	1551.8	1454.2	1200
Weighted rating	1523.1	1531.7	1452.9
Weighted performance	1355.7	1364.7	1013.2
K-factor	32	32	32	36
Floor	1040.5	1051.8	954.2	700
Max/Min rating change allowed	102.1	100.4	115.4	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	1540.5	1551.8	1454.2	1200
New weighted rating	1526.4	1535.6	1453.2	1200
New weighted performance	1346.4	1355.3	1004.7	0
Temp new rating	1540.5	1551.8	1454.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1540.5	1551.8	1454.2	1200
New K-factor	32	32	32	36
New floor	1040.5	1051.8	954.2	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	41	34	7
	40	40	0
	74	40	34
	22	6	16
History	182	125	57

Games since
	Main 46	Standard 39		Rapid 7		Blitz 0
Gender	Male
Age group	U16
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	981		106		20
Male	862		95		18
U16	118		18		3
U16 Male	100		15		3
Standard
	RSA		Province		Region
Overall	855		93		15
Male	752		84		15
U16	104		17		3
U16 Male	88		14		3
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	4.5	90	340	1362.8	1702.8
Standard	5	4.5	90	340	1362.8	1702.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	182	122	67.03	144.8	1275.3	1420.1
Standard	125	83.5	66.8	142.8	1284.3	1427.1
Rapid	57	38.5	67.54	149.1	1255.4	1404.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1540.5	1551.8	1454.2	1200
2025-09-30	1540.5	1551.8	1454.2	1200
2025-09-01	1540.5	1551.8	1454.2	1200
2025-08-01	1540.5	1551.8	1454.2	1200
2025-07-01	1540.5	1551.8	1454.2	1200
2025-06-01	1540.5	1551.8	1454.2	1200
2025-05-01	1540.5	1551.8	1454.2	1200
2025-04-01	1540.5	1551.8	1454.2	1200
2025-03-01	1540.5	1551.8	1454.2	1200
2025-02-01	1540.5	1551.8	1454.2	1200
2025-01-01	1508.4	1515.8	1454.2	1200
2024-12-01	1508.4	1515.8	1454.2	1200
2024-11-01	1508.4	1515.8	1454.2	1200
2024-10-01	1508.4	1515.8	1454.2	1200
2024-09-01	1508.4	1515.8	1454.2	1200
2024-08-01	1508.4	1515.8	1454.2	1200
2024-07-01	1508.4	1515.8	1454.2	1200
2024-09-01	1472.1	1468.8	1439.8	1200
2024-05-01	1476.7	1472.6	1439.8	1200
2024-04-01	1422.9	1409.2	1439.8	1200
2024-03-01	1411.3	1404.1	1439.8	1200
2024-02-01	1411.3	1404.1	1439.8	1200
2024-01-01	1411.3	1404.1	1439.8	1200
2023-12-01	1411.3	1404.1	1439.8	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	Back 2 School 2025 (B)	2025-01-11	2025-01-11	Standard	Sarah Baartman (ESB)	5	5	4.5	Yes	Analysis
2	SBD Activation Tournament 2025 (A)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Back 2 School 2025 (B)	2025-01-11	2025-01-11	Standard	Sarah Baartman (ESB)	5	5	4.5	Yes	Analysis
2	SBD Activation Tournament 2025 (A)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	0	0	No	Analysis
3	SBDCU Closed Trials 2024 (U16 Boys)	2024-07-27	2024-07-27	Standard	Sarah Baartman (ESB)	5	0	0	No	Analysis
4	Aston Bay 2024 (Open)	2024-05-25	2024-05-25	Rapid	Sarah Baartman (ESB)	7	7	4.5	Yes	Analysis
5	SBDCU Trial 3 2024 (U16)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	5	4.5	Yes	Analysis
6	Fountains Mall 2024 (B)	2024-05-17	2024-05-18	Standard	Sarah Baartman (ESB)	6	6	4.5	Yes	Analysis
7	Spartan Bishops Chess Championships 2024 (Knights)	2024-05-04	2024-05-05	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
8	Kouga Mayor's Cup Final 2024 (U15)	2024-04-12	2024-04-13	Standard	Sarah Baartman (ESB)	5	5	4.5	Yes	Analysis
9	Jeffreys Bay CC Fide Rated Tournament 2024	2024-03-18	2024-03-26	Standard	Sarah Baartman (ESB)	5	3	0.5	Yes	Analysis
10	SBDCU Trial 2 2024 (U16)	2024-03-23	2024-03-23	Standard	Sarah Baartman (ESB)	5	5	4.5	Yes	Analysis
11	Kouga Mayor's Cup 2024 (U15)	2024-03-08	2024-03-09	Standard	Sarah Baartman (ESB)	6	5	4	Yes	Analysis
12	Eastern Cape Provincial Individual Championship 2023 (U14 Boys)	2023-10-05	2023-10-05	Standard	Nelson Mandela Bay (ENM)	7	7	5	Yes	Analysis
13	Eastern Cape Chess Team Championship 2023 (U14)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis
14	SBDCU Closed Trials 2023 (U14 Boys)	2023-07-28	2023-07-29	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
15	2023 EC Schools Provincial Winter Games (U15 Boys)	2023-06-02	2023-06-03	Standard	Buffalo City (EBC)	6	6	3.5	Yes	Analysis
16	SBDCU Trial 2 2023 (U14 Boys)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
17	Kouga Mayor's Cup Finals 2023 (U13)	2023-04-22	2023-04-22	Standard	Sarah Baartman (ESB)	6	6	3.5	Yes	Analysis
18	Kouga Mayor's Cup 2023 (U13)	2023-04-15	2023-04-15	Standard	Sarah Baartman (ESB)	6	6	4.5	Yes	Analysis
19	Victory 4 All Chess Championship 2022	2022-11-05	2022-11-05	Rapid	Sarah Baartman (ESB)	7	7	6.5	Yes	Analysis
20	Jefreys Bay Chess Club Rapid 10 November 2022	2022-11-10	2022-11-10	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
21	Jeffreys Bay Chess Club Rapid October 1 2022	2022-10-19	2022-10-19	Rapid	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
22	Eatern Cape Provincial Chess Championship 2022 (U14 Boys)	2022-10-01	2022-10-01	Standard	Sarah Baartman (ESB)	7	7	4	Yes	Analysis
23	Jeffreys Bay Chess Club Rapid September 2022	2022-09-22	2022-09-26	Rapid	Sarah Baartman (ESB)	5	4	2	Yes	Analysis
24	Stulting Sports Day 2022 (Seniors)	2022-08-26	2022-08-26	Rapid	Sarah Baartman (ESB)	13	13	11	Yes	Analysis
25	Mayor`s Cup Finals 2022 (U13)	2022-07-30	2022-07-30	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
26	Kouga Mayarol Cup 2022 (U13)	2022-07-23	2022-07-23	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
27	SBDCU Trials 2022 (U14)	2022-06-25	2022-06-25	Standard	Sarah Baartman (ESB)	6	6	5	Yes	Analysis
28	Fountains Mall Open Tournament 2022 (B)	2022-05-14	2022-05-14	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
29	SBDCU 2nd Open Tournament Fountains Mall 2022 (B)	2022-03-04	2022-03-05	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
30	SBDCU First Fide Rated Open Tournament Fountains Mall 2022 (B)	2022-02-18	2022-02-19	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
31	SBD Prep Tournament 2021	2021-10-16	2021-10-16	Rapid	Sarah Baartman (ESB)	7	7	2.5	Yes	Analysis
32	2021 Eastern Cape Schools Provincial Summer Championships (Boys)	2021-10-29	2021-10-30	Standard	Buffalo City (EBC)	6	6	3	Yes	Analysis
33	Jeffreys Bay Comprehensive High School Invitational 2021 (B)	2021-04-27	2021-04-27	Rapid	Sarah Baartman (ESB)	9	9	5	Yes	Analysis

#	Games	Start				End
1	12	Tournament Jeffreys Bay Chess Club Rapid October 1 2022				Tournament Jefreys Bay Chess Club Rapid 10 November 2022
		date 2022-10-19	rnd 4	type Rapid	result 1	date 2022-11-10	rnd 3	type Rapid	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Stuurman, P (Pedro)
2	11	Tournament Aston Bay 2024				Tournament Back 2 School 2025
		date 2024-05-25	rnd 7	type Rapid	result 1	date 2025-01-11	rnd 5	type Standard	result 1
		Opponent Salie, R (Riaz)				Opponent Meth, G (Garyian)
3	8	Tournament Kouga Mayor's Cup Final 2024				Tournament Spartan Bishops Chess Championships 2024
		date 2024-04-12	rnd 1	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 0.5
		Opponent Mcetywa, K (Khanya)				Opponent Nkabinde, L (Lwazi)

#	Games	Start				End
1	13	Tournament Fountains Mall 2024				Tournament Back 2 School 2025
		date 2024-05-18	rnd 4	type Standard	result 1	date 2025-01-11	rnd 5	type Standard	result 1
		Opponent Petrus, L (Lenique)				Opponent Meth, G (Garyian)
2	8	Tournament Kouga Mayor's Cup Final 2024				Tournament Spartan Bishops Chess Championships 2024
		date 2024-04-12	rnd 1	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 0.5
		Opponent Mcetywa, K (Khanya)				Opponent Nkabinde, L (Lwazi)
3	7	Tournament 2023 EC Schools Provincial Winter Games				Tournament SBDCU Closed Trials 2023
		date 2023-06-03	rnd 5	type Standard	result 1	date 2023-07-29	rnd 5	type Standard	result 0.5
		Opponent Palo, M (Mwelwa)				Opponent Bain, C (Caden)

#	Games	Start				End
1	12	Tournament Jeffreys Bay Chess Club Rapid October 1 2022				Tournament Jefreys Bay Chess Club Rapid 10 November 2022
		date 2022-10-19	rnd 4	type Rapid	result 1	date 2022-11-10	rnd 3	type Rapid	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Stuurman, P (Pedro)
2	5	Tournament Stulting Sports Day 2022				Tournament Stulting Sports Day 2022
		date 2022-08-26	rnd 6	type Rapid	result 1	date 2022-08-26	rnd 10	type Rapid	result 1
		Opponent Le Roux, JC (Jean)				Opponent Stokes, R (Ruth)
3	4	Tournament Stulting Sports Day 2022				Tournament Stulting Sports Day 2022
		date 2022-08-26	rnd 1	type Rapid	result 1	date 2022-08-26	rnd 4	type Rapid	result 1
		Opponent Myburgh, B (Bruce)				Opponent Jordaan, I (Imange)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Jeffreys Bay Chess Club Rapid October 1 2022				Tournament Victory 4 All Chess Championship 2022
		date 2022-10-19	rnd 4	type Rapid	result 1	date 2022-11-05	rnd 5	type Rapid	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Steenkamp, D (Dirk)
2	6	Tournament SBDCU Trials 2022				Tournament Kouga Mayarol Cup 2022
		date 2022-06-25	rnd 4	type Standard	result 1	date 2022-07-23	rnd 3	type Standard	result 1
		Opponent Louis, J (Jayheem)				Opponent Bruton, FE (Faith Elizabeth)
3	5	Tournament Aston Bay 2024				Tournament SBDCU Trial 3 2024
		date 2024-05-25	rnd 7	type Rapid	result 1	date 2024-06-01	rnd 4	type Standard	result 1
		Opponent Salie, R (Riaz)				Opponent Handley, C (Christopher Michael)

#	Games	Start				End
1	6	Tournament SBDCU Trials 2022				Tournament Kouga Mayarol Cup 2022
		date 2022-06-25	rnd 4	type Standard	result 1	date 2022-07-23	rnd 3	type Standard	result 1
		Opponent Louis, J (Jayheem)				Opponent Bruton, FE (Faith Elizabeth)
2	5	Tournament Fountains Mall Open Tournament 2022				Tournament SBDCU Trials 2022
		date 2022-05-14	rnd 3	type Standard	result 1	date 2022-06-25	rnd 2	type Standard	result 1
		Opponent Yongama, A (Amzolele)				Opponent Moss, M (Mia)
3	4	Tournament SBDCU Trial 3 2024				Tournament SBDCU Trial 3 2024
		date 2024-06-01	rnd 1	type Standard	result 1	date 2024-06-01	rnd 4	type Standard	result 1
		Opponent Nkinana, L (Lihlombe)				Opponent Handley, C (Christopher Michael)

#	Games	Start				End
1	7	Tournament Jeffreys Bay Chess Club Rapid October 1 2022				Tournament Victory 4 All Chess Championship 2022
		date 2022-10-19	rnd 4	type Rapid	result 1	date 2022-11-05	rnd 5	type Rapid	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Steenkamp, D (Dirk)
2	5	Tournament Stulting Sports Day 2022				Tournament Stulting Sports Day 2022
		date 2022-08-26	rnd 6	type Rapid	result 1	date 2022-08-26	rnd 10	type Rapid	result 1
		Opponent Le Roux, JC (Jean)				Opponent Stokes, R (Ruth)
3	4	Tournament Victory 4 All Chess Championship 2022				Tournament Jefreys Bay Chess Club Rapid 10 November 2022
		date 2022-11-05	rnd 7	type Rapid	result 1	date 2022-11-10	rnd 3	type Rapid	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Stuurman, P (Pedro)

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	Salie ,R (Riaz)	6	3.5	70.8	5	2.5	0	1	1	425	0	0	0
1	Salie ,R (Riaz)	6	1425.8	1496.7	5	1405.7	1425.8	1	1543	1850.8	0	0	0
2	Dube ,M (Misheck)	6	3.5	70.8	4	3	212.5	2	0.5	-212.5	0	0	0
2	Dube ,M (Misheck)	6	1278.3	1349.1	4	1263.4	1490.8	2	1270.8	1065.8	0	0	0
3	Moolman ,A (Anrico)	6	3	0	4	2.5	106.2	2	0.5	-212.5	0	0	0
3	Moolman ,A (Anrico)	6	1435.2	1435.2	4	1420.2	1541.5	2	1261.5	1222.7	0	0	0
4	Budaza ,L (Ludwe)	5	2.5	0	5	2.5	0	0	0	0	0	0	0
4	Budaza ,L (Ludwe)	5	1399.6	1399.6	5	1401.1	1399.6	0	0	0	0	0	0
5	Bruton ,FE (Faith Elizabeth)	5	5	425	2	2	425	3	3	425	0	0	0
5	Bruton ,FE (Faith Elizabeth)	5	1190.5	1615.5	2	1234	1615.5	3	1110.1	1615.5	0	0	0
6	Stuurman ,P (Pedro)	5	1	-255	1	0	-425	4	1	-212.5	0	0	0
6	Stuurman ,P (Pedro)	5	1459.3	1204.3	1	1510.4	1034.3	4	1408.8	1246.8	0	0	0
7	Handley ,C (Christopher Michael)	4	2	0	4	2	0	0	0	0	0	0	0
7	Handley ,C (Christopher Michael)	4	1317.8	1317.8	4	1291.3	1317.8	0	0	0	0	0	0
8	Maziena ,L (Lavanya)	4	4	425	2	2	425	2	2	425	0	0	0
8	Maziena ,L (Lavanya)	4	1165.1	1590.1	2	1136.5	1590.1	2	1216.8	1590.1	0	0	0
9	Munemo ,T (Tadiwa)	4	0	-425	2	0	-425	2	0	-425	0	0	0
9	Munemo ,T (Tadiwa)	4	1333.4	908.4	2	1371.6	908.4	2	1248.7	908.4	0	0	0
10	Krieger ,BCJ (Brian)	4	2	0	2	2	425	2	0	-425	0	0	0
10	Krieger ,BCJ (Brian)	4	1317.9	1317.9	2	1244.9	1742.9	2	1332.2	892.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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Statistics

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PLAYER PAGE

Personal

Jonas, Y (Yongisipho)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms