Chess South Africa Ratings Database

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Personal

Jonas, F (Fernando)

Chess SA id

1020116500

FIDE id

Date of birth

2002-02-15 (Adult)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1512	1490.7	1477.5	1200
Raw rating	1512	1490.7	1477.5	1200
Weighted rating	1479	1467.7	1394.7	1200
Weighted performance	1433.4	1373.9	0	0
Floor	1012	990.7	977.5	700
K-factor	32	32	32	36
Min/Max rating change allowed	106.3	109.6	111.7	165.8
Highest rating	1512 2025-07-01	1490.7 2025-06-01	1640.6 2021-05-01	1200 2018-10-01
Highest raw rating	1512 2025-07-01	1490.7 2025-06-01	1477.5 2025-07-01	1200 2024-03-01
Highest weighted rating	1469.3 2025-08-01	1459.5 2025-08-01	1377.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1481.9 2025-07-01	1438.4 2025-01-01	1640.6 2021-05-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1512	1490.7	1477.5	1200
Analysis
Rating	1512	1490.7	1477.5	1200
Raw rating	1512	1490.7	1477.5	1200
Weighted rating	1479	1467.7	1394.7
Weighted performance	1433.4	1373.9	0
K-factor	32	32	32	36
Floor	1012	990.7	977.5	700
Max/Min rating change allowed	106.3	109.6	111.7	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	1512	1490.7	1477.5	1200
New weighted rating	1483.2	1471.1	1402.6	1200
New weighted performance	1432.9	1373.3	0	0
Temp new rating	1512	1490.7	1477.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1512	1490.7	1477.5	1200
New K-factor	32	32	32	36
New floor	1012	990.7	977.5	700

Item	Main	Standard	Rapid
	0	0	0
	20	10	10
	11	11	0
	27	27	0
	15	9	6
	9	0	9
History	89	64	25

Games since
	Main 36	Standard 26		Rapid 10		Blitz 0
Gender	Male
Age group	Adult
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
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	20	13.5	67.5	148.8	1442.1	1590.8
Standard	10	7.5	75	212.5	1351.8	1564.3
Rapid	10	6	60	85	1532.3	1617.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	89	58	65.17	128.9	1348.5	1477.5
Standard	64	40	62.5	106.2	1331.9	1438.2
Rapid	25	18	72	187	1391.1	1578.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1512	1490.7	1477.5	1200
2025-09-01	1512	1490.7	1477.5	1200
2025-08-01	1512	1490.7	1477.5	1200
2025-07-01	1512	1490.7	1477.5	1200
2025-06-01	1494.1	1490.7	1359.2	1200
2025-05-01	1479.9	1474	1359.2	1200
2025-04-01	1479.9	1474	1359.2	1200
2025-03-01	1479.9	1474	1359.2	1200
2025-02-01	1479.9	1474	1359.2	1200
2025-01-01	1458.9	1452.8	1359.2	1200
2024-12-01	1458.9	1452.8	1359.2	1200
2024-11-01	1458.9	1452.8	1359.2	1200
2024-10-01	1458.9	1452.8	1359.2	1200
2024-09-01	1458.9	1452.8	1359.2	1200
2024-08-01	1458.9	1452.8	1359.2	1200
2024-07-01	1458.9	1452.8	1359.2	1200
2024-06-01	1458.9	1452.8	1359.2	1200
2024-08-01	1444.7	1433.9	1359.2	1200
2024-04-01	1444.7	1433.9	1359.2	1200
2024-03-01	1444.7	1433.9	1359.2	1200
2024-02-01	1390.9	1369.1	1359.2	1200
2024-01-01	1390.9	1369.1	1359.2	1200
2023-12-01	1390.9	1369.1	1359.2	1200
2023-11-01	1390.9	1369.1	1359.2	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	SBD Invitational 2025 (1)	2025-06-14	2025-06-14	Rapid	Sarah Baartman (ESB)	10	10	6	Yes	Analysis
2	SBDCA Closed 2025 (Open)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
3	2025 SBDCU Trial 2 JBay (U20+Open)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBD Invitational 2025 (1)	2025-06-14	2025-06-14	Rapid	Sarah Baartman (ESB)	10	10	6	Yes	Analysis
2	SBDCA Closed 2025 (Open)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
3	2025 SBDCU Trial 2 JBay (U20+Open)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
4	Fountains Mall 2024 (Open)	2024-05-17	2024-05-18	Standard	Sarah Baartman (ESB)	6	6	3.5	Yes	Analysis
5	SBDCU Open 2024 (A)	2024-02-09	2024-02-10	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
6	Eastern Cape Provincial Individual Championship 2023 (Open)	2023-10-05	2023-10-06	Standard	Nelson Mandela Bay (ENM)	7	0	0	No	Analysis
7	Eastern Cape Chess Team Championship 2023 (Open)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
8	SBDCU Closed Trials 2023 (Open)	2023-07-28	2023-07-29	Standard	Sarah Baartman (ESB)	6	6	3.5	Yes	Analysis
9	Fountains Mall Open 2023 (A)	2023-05-12	2023-05-13	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
10	SBDCU Trial 2 2023 (Open)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	0	0	No	Analysis
11	Kouga Mayor's Cup Finals 2023 (Open)	2023-04-21	2023-04-22	Standard	Sarah Baartman (ESB)	6	5	3	Yes	Analysis
12	Kouga Mayor's Cup 2023 (Open)	2023-04-14	2023-04-15	Standard	Sarah Baartman (ESB)	6	5	5	Yes	Analysis
13	The Team Battle 2022 (A)	2022-11-19	2022-11-19	Rapid	Sarah Baartman (ESB)	7	6	4	Yes	Analysis
14	Kouga Mayarol Cup 2022 (Open)	2022-07-23	2022-07-23	Standard	Sarah Baartman (ESB)	5	0	0	No	Analysis
15	SBDCU Trials 2022 (Open)	2022-06-25	2022-06-25	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis
16	Makhanda Open Chess Tournament 2022 (A)	2022-04-30	2022-04-30	Rapid	Sarah Baartman (ESB)	6	0	0	No	Analysis
17	SBDCU 2nd Open Tournament Fountains Mall 2022 (A)	2022-03-04	2022-03-05	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
18	SBDCU Rapid Fountains Mall 2021 (A)	2021-11-06	2021-11-06	Rapid	Sarah Baartman (ESB)	6	6	5	Yes	Analysis
19	SBDCU Trials 2021 (U20)	2021-05-29	2021-05-29	Rapid	Sarah Baartman (ESB)	3	3	3	Yes	Analysis
20	2019 SA Schools Winter Games (U18 Boys)	2019-07-01	2019-07-04	Standard	Ethekwini (KED)	7	7	2.5	Yes	Analysis

#	Games	Start				End
1	11	Tournament The Team Battle 2022				Tournament Kouga Mayor's Cup Finals 2023
		date 2022-11-19	rnd 3	type Rapid	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Adams, JP (Juan-Pierre)				Opponent Isaacs, C (Charlton)
2	8	Tournament 2019 SA Schools Winter Games				Tournament SBDCU Rapid Fountains Mall 2021
		date 2019-07-03	rnd 6	type Standard	result 1	date 2021-11-06	rnd 3	type Rapid	result 1
		Opponent Makole, O (Omogolo)				Opponent Driscoll, S (Samuel)
3	5	Tournament Fountains Mall Open 2023				Tournament SBDCU Closed Trials 2023
		date 2023-05-13	rnd 6	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 0.5
		Opponent Shozi, N (Ndumiso)				Opponent Krieger, CR (Charles)

#	Games	Start				End
1	7	Tournament Kouga Mayor's Cup 2023				Tournament Kouga Mayor's Cup Finals 2023
		date 2023-04-14	rnd 1	type Standard	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Olivier, K (Keanu)				Opponent Isaacs, C (Charlton)
2	5	Tournament Fountains Mall Open 2023				Tournament SBDCU Closed Trials 2023
		date 2023-05-13	rnd 6	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 0.5
		Opponent Shozi, N (Ndumiso)				Opponent Krieger, CR (Charles)
3	4	Tournament Eastern Cape Chess Team Championship 2023				Tournament SBDCU Open 2024
		date 2023-10-07	rnd 4	type Standard	result 1	date 2024-02-10	rnd 2	type Standard	result 1
		Opponent Nomakhanzana, A (Ayabonga)				Opponent Sibengile, Z (Zolani)

#	Games	Start				End
1	6	Tournament SBDCU Trials 2021				Tournament SBDCU Rapid Fountains Mall 2021
		date 2021-05-29	rnd 1	type Rapid	result 1	date 2021-11-06	rnd 3	type Rapid	result 1
		Opponent Commons, I (Inacious)				Opponent Driscoll, S (Samuel)
2	4	Tournament The Team Battle 2022				Tournament The Team Battle 2022
		date 2022-11-19	rnd 3	type Rapid	result 1	date 2022-11-19	rnd 7	type Rapid	result 1
		Opponent Adams, JP (Juan-Pierre)				Opponent Schulz, I (Ian)
3	3	Tournament SBD Invitational 2025				Tournament SBD Invitational 2025
		date 2025-06-14	rnd 8	type Rapid	result 1	date 2025-06-14	rnd 10	type Rapid	result 1
		Opponent Ndyova, T (Thanduxolo)				Opponent Krieger, BCJ (Brian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	11	Tournament The Team Battle 2022				Tournament Kouga Mayor's Cup Finals 2023
		date 2022-11-19	rnd 3	type Rapid	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Adams, JP (Juan-Pierre)				Opponent Isaacs, C (Charlton)
2	8	Tournament 2019 SA Schools Winter Games				Tournament SBDCU Rapid Fountains Mall 2021
		date 2019-07-03	rnd 6	type Standard	result 1	date 2021-11-06	rnd 3	type Rapid	result 1
		Opponent Makole, O (Omogolo)				Opponent Driscoll, S (Samuel)
3	4	Tournament Eastern Cape Chess Team Championship 2023				Tournament SBDCU Open 2024
		date 2023-10-07	rnd 4	type Standard	result 1	date 2024-02-10	rnd 2	type Standard	result 1
		Opponent Nomakhanzana, A (Ayabonga)				Opponent Sibengile, Z (Zolani)

#	Games	Start				End
1	7	Tournament Kouga Mayor's Cup 2023				Tournament Kouga Mayor's Cup Finals 2023
		date 2023-04-14	rnd 1	type Standard	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Olivier, K (Keanu)				Opponent Isaacs, C (Charlton)
2	4	Tournament Eastern Cape Chess Team Championship 2023				Tournament SBDCU Open 2024
		date 2023-10-07	rnd 4	type Standard	result 1	date 2024-02-10	rnd 2	type Standard	result 1
		Opponent Nomakhanzana, A (Ayabonga)				Opponent Sibengile, Z (Zolani)
3	4	Tournament Fountains Mall Open 2023				Tournament SBDCU Closed Trials 2023
		date 2023-05-13	rnd 6	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Shozi, N (Ndumiso)				Opponent Booysen, R (Ray-Lanche)

#	Games	Start				End
1	6	Tournament SBDCU Trials 2021				Tournament SBDCU Rapid Fountains Mall 2021
		date 2021-05-29	rnd 1	type Rapid	result 1	date 2021-11-06	rnd 3	type Rapid	result 1
		Opponent Commons, I (Inacious)				Opponent Driscoll, S (Samuel)
2	4	Tournament The Team Battle 2022				Tournament The Team Battle 2022
		date 2022-11-19	rnd 3	type Rapid	result 1	date 2022-11-19	rnd 7	type Rapid	result 1
		Opponent Adams, JP (Juan-Pierre)				Opponent Schulz, I (Ian)
3	3	Tournament SBD Invitational 2025				Tournament SBD Invitational 2025
		date 2025-06-14	rnd 8	type Rapid	result 1	date 2025-06-14	rnd 10	type Rapid	result 1
		Opponent Ndyova, T (Thanduxolo)				Opponent Krieger, BCJ (Brian)

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	Booysen ,R (Ray-Lanche)	4	2.5	106.2	3	1.5	0	1	1	425	0	0	0
1	Booysen ,R (Ray-Lanche)	4	1512.1	1618.3	3	1587.7	1512.1	1	1439.5	1937.1	0	0	0
2	Swartbooi ,J (Jarno)	3	3	425	2	2	425	1	1	425	0	0	0
2	Swartbooi ,J (Jarno)	3	1232.4	1657.4	2	1182.2	1657.4	1	1324.4	1657.4	0	0	0
3	Persent ,G (Gavin)	3	0	-425	1	0	-425	2	0	-425	0	0	0
3	Persent ,G (Gavin)	3	1430.6	1005.6	1	1074.6	1005.6	2	1636.1	1005.6	0	0	0
4	Muller ,K (Kaden)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Muller ,K (Kaden)	2	1657.4	1232.4	2	1679.1	1232.4	0	0	0	0	0	0
5	Janse Van Rensburg ,S (San-Marie)	2	2	425	2	2	425	0	0	0	0	0	0
5	Janse Van Rensburg ,S (San-Marie)	2	1311.3	1736.3	2	1249.7	1736.3	0	0	0	0	0	0
6	Moos ,X (Xavier)	2	1	0	2	1	0	0	0	0	0	0	0
6	Moos ,X (Xavier)	2	1599.3	1599.3	2	1561.6	1599.3	0	0	0	0	0	0
7	Olivier ,K (Keanu)	2	2	425	2	2	425	0	0	0	0	0	0
7	Olivier ,K (Keanu)	2	941.9	1366.9	2	931.1	1366.9	0	0	0	0	0	0
8	Isaacs ,C (Charlton)	2	2	425	2	2	425	0	0	0	0	0	0
8	Isaacs ,C (Charlton)	2	994.8	1419.8	2	947.7	1419.8	0	0	0	0	0	0
9	Claasen ,C (Cleavan)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Claasen ,C (Cleavan)	2	1210.2	785.2	2	1201.6	785.2	0	0	0	0	0	0
10	Rishworth ,J (Justin)	2	1	0	2	1	0	0	0	0	0	0	0
10	Rishworth ,J (Justin)	2	1485.1	1485.1	2	1382	1485.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jonas, F (Fernando)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms