Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jantjies, J (Jayden)

Chess SA id

1060134125

FIDE id

Date of birth

2006-12-02 (U20)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1154.6	1110.9	1265	1290
Raw rating	1154.6	1110.9	1265	1290
Weighted rating	1152.2	1108.9	1264.9	1290
Weighted performance	892.3	863.6	809.8	0
Floor	710.5	741.2	765.2	790
K-factor	36	36	36	36
Min/Max rating change allowed	176.9	188.3	151.2	145.9
Highest rating	1302.5 2022-12-01	1348.9 2022-03-01	1320.7 2022-10-01	1443.5 2022-11-01
Highest raw rating	1210.5 2023-03-01	1241.2 2022-04-01	1265.2 2024-02-01	1290 2024-02-01
Highest weighted rating	1210.5 2018-10-01	1241.2 2022-07-01	1265.2 2025-03-01	1290 2025-02-01
Highest weighted performance	1302.5 2022-12-01	1348.9 2022-03-01	1320.7 2022-10-01	1443.5 2022-11-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1154.6	1110.9	1265	1290
Analysis
Rating	1154.6	1110.9	1265	1290
Raw rating	1154.6	1110.9	1265	1290
Weighted rating	1152.2	1108.9	1264.9
Weighted performance	892.3	863.6	809.8
K-factor	36	36	36	36
Floor	710.5	741.2	765.2	790
Max/Min rating change allowed	176.9	188.3	151.2	145.9
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	1154.6	1110.9	1265	1290
New weighted rating	1152.2	1108.8	1264.9	1290
New weighted performance	885.3	856.8	802.4	0
Temp new rating	1154.6	1110.9	1265	1290
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1154.6	1110.9	1265	1290
New K-factor	36	36	36	36
New floor	710.5	741.2	765.2	790

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	15	11	4	0
	26	21	0	5
	75	24	40	11
	25	0	25	0
History	141	56	69	16

Games since
	Main 15	Standard 11		Rapid 4		Blitz 0
Gender	Male
Age group	U20
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	141	64	45.39	-39.2	1220.4	1181.2
Standard	56	21	37.5	-106.2	1211.8	1105.5
Rapid	69	32	46.38	-30.8	1218.6	1187.8
Blitz	16	11	68.75	159.4	1258.4	1417.8

Date	Main	Standard	Rapid	Blitz
2025-11-01	1154.6	1110.9	1265	1290
2025-09-30	1154.6	1110.9	1265	1290
2025-09-01	1154.6	1110.9	1265	1290
2025-08-01	1154.6	1110.9	1265	1290
2025-07-01	1154.6	1110.9	1265	1290
2025-06-01	1154.6	1110.9	1265	1290
2025-05-01	1154.6	1110.9	1265	1290
2025-04-01	1154.6	1110.9	1265	1290
2025-03-01	1154.6	1110.9	1265	1290
2025-02-01	1154.4	1110.1	1265	1290
2025-01-01	1141.9	1097.3	1264.8	1290
2024-12-01	1141.9	1097.3	1264.8	1290
2024-11-01	1141.9	1097.3	1264.8	1290
2024-10-01	1141.9	1097.3	1264.8	1290
2024-09-01	1141.9	1097.3	1264.8	1290
2024-08-01	1141.9	1097.3	1264.8	1290
2024-07-01	1149.2	1105.6	1264.8	1290
2024-09-01	1149.2	1105.6	1264.8	1290
2024-05-01	1142.6	1105.6	1265.2	1290
2024-04-01	1171.3	1138	1265.2	1290
2024-03-01	1187.6	1156.7	1265.2	1290
2024-02-01	1173.4	1137.6	1265.2	1290
2024-01-01	1173.4	1137.6	1265.2	1290
2023-12-01	1173.4	1137.6	1265.2	1290

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCU Closed Trials 2024 (U20 Boys)	2024-07-27	2024-07-27	Standard	Sarah Baartman (ESB)	4	1	0	Yes	Analysis
2	Humansdorp CMC Schools Trials 2024 (U19 Boys)	2024-05-10	2024-05-10	Rapid	Sarah Baartman (ESB)	6	4	2	Yes	Analysis
3	Kouga Mayor's Cup Final 2024 (Open)	2024-04-12	2024-04-13	Standard	Sarah Baartman (ESB)	5	2	0	Yes	Analysis
4	Kouga Mayor's Cup 2024 (Open)	2024-03-08	2024-03-09	Standard	Sarah Baartman (ESB)	6	3	1	Yes	Analysis
5	SBDCU Trial 1 2024 (Open)	2024-02-23	2024-02-24	Standard	Sarah Baartman (ESB)	6	5	2	Yes	Analysis
6	Eastern Cape Provincial Individual Championship 2023 (U18 Boys)	2023-10-05	2023-10-06	Standard	Nelson Mandela Bay (ENM)	7	7	3	Yes	Analysis
7	Eastern Cape Chess Team Championship 2023 (U18)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis
8	SBDCU Closed Trials 2023 (U18 Boys)	2023-07-28	2023-07-29	Standard	Sarah Baartman (ESB)	6	4	1	Yes	Analysis
9	SBDCU Trial 3 2023 (Open)	2023-06-23	2023-06-24	Standard	Sarah Baartman (ESB)	6	1	0	Yes	Analysis
10	SBDCU Trial 2 2023 (U18)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
11	Jefrreys Bay CC 1st Blitz 2023	2023-02-09	2023-02-09	Blitz	Sarah Baartman (ESB)	6	5	3	Yes	Analysis
12	Jeffreys Bay Cc Present Justin`s Birthday Rapid 2022 (A)	2022-12-01	2022-12-01	Rapid	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
13	Jeffreys Bay Chess Club Blitz 28 November 2022	2022-11-28	2022-11-28	Blitz	Sarah Baartman (ESB)	7	5	5	Yes	Analysis
14	Jeffreys Bay Chess Club Rapid 24 November 2022	2022-11-24	2022-11-24	Rapid	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
15	Jefreys Bay Chess Club Rapid 10 November 2022	2022-11-10	2022-11-10	Rapid	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
16	Jeffreys Bay Chess Club Rapid October 2 2022	2022-10-27	2022-10-27	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
17	Jeffreys Bay Chess Club Rapid October 1 2022	2022-10-19	2022-10-19	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
18	Eatern Cape Provincial Chess Championship 2022 (U18 Boys)	2022-10-01	2022-10-01	Standard	Sarah Baartman (ESB)	7	5	1	Yes	Analysis
19	Jeffreys Bay Chess Club Rapid September 2022	2022-09-22	2022-09-26	Rapid	Sarah Baartman (ESB)	5	2	2	Yes	Analysis
20	Jeffreys Bay Comprehensive High School Chess Challenge 2022	2022-08-06	2022-08-06	Rapid	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
21	Jeffreys Bay Chess Club Blitz August 2022	2022-08-04	2022-08-04	Blitz	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
22	Mayor`s Cup Finals 2022 (U17)	2022-07-29	2022-07-30	Standard	Sarah Baartman (ESB)	5	4	1	Yes	Analysis
23	SBDCU Trials 2022 (U18)	2022-06-25	2022-06-25	Standard	Sarah Baartman (ESB)	6	5	3	Yes	Analysis
24	Sarah Baartman Trials 2022 ( U18 Boys)	2022-05-21	2022-05-21	Rapid	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
25	Fountains Mall Open Tournament 2022 (A)	2022-05-13	2022-05-14	Standard	Sarah Baartman (ESB)	5	4	1	Yes	Analysis
26	SBDCU 2nd Open Tournament Fountains Mall 2022 (B)	2022-03-04	2022-03-05	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
27	SBDCU Rapid Fountains Mall 2021 (B)	2021-11-06	2021-11-06	Rapid	Sarah Baartman (ESB)	6	5	2	Yes	Analysis
28	SBDCU Trials 2021 (U16)	2021-05-29	2021-05-29	Rapid	Sarah Baartman (ESB)	5	5	0	Yes	Analysis
29	Jeffreys Bay CC May 2021	2021-05-13	2021-05-13	Rapid	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
30	Jeffreys Bay Comprehensive High School Invitational 2021 (A)	2021-04-27	2021-04-27	Rapid	Sarah Baartman (ESB)	9	9	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Jeffreys Bay Cc Present Justin`s Birthday Rapid 2022				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2022-12-01	rnd 4	type Rapid	result 1	date 2023-02-09	rnd 4	type Blitz	result 1
		Opponent Ferreria, C (Chinique)				Opponent Krieger, BCJ (Brian)
2	5	Tournament Jeffreys Bay Chess Club Blitz 28 November 2022				Tournament Jeffreys Bay Chess Club Blitz 28 November 2022
		date 2022-11-28	rnd 3	type Blitz	result 1	date 2022-11-28	rnd 7	type Blitz	result 1
		Opponent De Lange, E (Edeline)				Opponent Isaacs, C (Charlton)
3	3	Tournament Jeffreys Bay Chess Club Rapid 24 November 2022				Tournament Jeffreys Bay Chess Club Rapid 24 November 2022
		date 2022-11-24	rnd 2	type Rapid	result 1	date 2022-11-24	rnd 4	type Rapid	result 1
		Opponent Prinsloo, R (Riyaad)				Opponent Bruton, FE (Faith Elizabeth)

#	Games	Start				End
1	2	Tournament SBDCU Trial 1 2024				Tournament Kouga Mayor's Cup 2024
		date 2024-02-24	rnd 6	type Standard	result 1	date 2024-03-08	rnd 1	type Standard	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Booysen, T (Tamia)
2	2	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Chess Team Championship 2023
		date 2023-10-06	rnd 7	type Standard	result 1	date 2023-10-07	rnd 1	type Standard	result 1
		Opponent Eyssen, J (Jayden)				Opponent Mabanti, K (Khazimla)
3	2	Tournament SBDCU Trials 2022				Tournament SBDCU Trials 2022
		date 2022-06-25	rnd 5	type Standard	result 1	date 2022-06-25	rnd 6	type Standard	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Isaacs, C (Charlton)

#	Games	Start				End
1	4	Tournament Jeffreys Bay Cc Present Justin`s Birthday Rapid 2022				Tournament Humansdorp CMC Schools Trials 2024
		date 2022-12-01	rnd 4	type Rapid	result 1	date 2024-05-10	rnd 2	type Rapid	result 1
		Opponent Ferreria, C (Chinique)				Opponent Isaacs, C (Charlton)
2	3	Tournament Jeffreys Bay Chess Club Rapid 24 November 2022				Tournament Jeffreys Bay Chess Club Rapid 24 November 2022
		date 2022-11-24	rnd 2	type Rapid	result 1	date 2022-11-24	rnd 4	type Rapid	result 1
		Opponent Prinsloo, R (Riyaad)				Opponent Bruton, FE (Faith Elizabeth)
3	3	Tournament Jeffreys Bay Chess Club Rapid October 1 2022				Tournament Jeffreys Bay Chess Club Rapid October 2 2022
		date 2022-10-19	rnd 4	type Rapid	result 1	date 2022-10-27	rnd 1	type Rapid	result 1
		Opponent Petru, D (Denzil)				Opponent Maziena, L (Lavanya)

#	Games	Start				End
1	8	Tournament Jeffreys Bay Chess Club Blitz 28 November 2022				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2022-11-28	rnd 3	type Blitz	result 1	date 2023-02-09	rnd 4	type Blitz	result 1
		Opponent De Lange, E (Edeline)				Opponent Krieger, BCJ (Brian)
2	2	Tournament Jeffreys Bay Chess Club Blitz August 2022				Tournament Jeffreys Bay Chess Club Blitz August 2022
		date 2022-08-04	rnd 4	type Blitz	result 1	date 2022-08-04	rnd 5	type Blitz	result 1
		Opponent Petru, D (Denzil)				Opponent Maziena, L (Lavanya)
3	1	Tournament Jeffreys Bay Chess Club Blitz August 2022				Tournament Jeffreys Bay Chess Club Blitz August 2022
		date 2022-08-04	rnd 1	type Blitz	result 1	date 2022-08-04	rnd 1	type Blitz	result 1
		Opponent Isaacs, C (Charlton)				Opponent Isaacs, C (Charlton)

#	Games	Start				End
1	6	Tournament Jeffreys Bay Cc Present Justin`s Birthday Rapid 2022				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2022-12-01	rnd 4	type Rapid	result 1	date 2023-02-09	rnd 4	type Blitz	result 1
		Opponent Ferreria, C (Chinique)				Opponent Krieger, BCJ (Brian)
2	5	Tournament Jeffreys Bay Chess Club Blitz 28 November 2022				Tournament Jeffreys Bay Chess Club Blitz 28 November 2022
		date 2022-11-28	rnd 3	type Blitz	result 1	date 2022-11-28	rnd 7	type Blitz	result 1
		Opponent De Lange, E (Edeline)				Opponent Isaacs, C (Charlton)
3	3	Tournament Jeffreys Bay Chess Club Rapid 24 November 2022				Tournament Jeffreys Bay Chess Club Rapid 24 November 2022
		date 2022-11-24	rnd 2	type Rapid	result 1	date 2022-11-24	rnd 4	type Rapid	result 1
		Opponent Prinsloo, R (Riyaad)				Opponent Bruton, FE (Faith Elizabeth)

#	Games	Start				End
1	2	Tournament SBDCU Trial 1 2024				Tournament Kouga Mayor's Cup 2024
		date 2024-02-24	rnd 6	type Standard	result 1	date 2024-03-08	rnd 1	type Standard	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Booysen, T (Tamia)
2	2	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Chess Team Championship 2023
		date 2023-10-06	rnd 7	type Standard	result 1	date 2023-10-07	rnd 1	type Standard	result 1
		Opponent Eyssen, J (Jayden)				Opponent Mabanti, K (Khazimla)
3	2	Tournament SBDCU Trials 2022				Tournament SBDCU Trials 2022
		date 2022-06-25	rnd 5	type Standard	result 1	date 2022-06-25	rnd 6	type Standard	result 1
		Opponent Janse Van Rensburg, S (Sanmarie)				Opponent Isaacs, C (Charlton)

#	Games	Start				End
1	4	Tournament Jeffreys Bay Cc Present Justin`s Birthday Rapid 2022				Tournament Humansdorp CMC Schools Trials 2024
		date 2022-12-01	rnd 4	type Rapid	result 1	date 2024-05-10	rnd 2	type Rapid	result 1
		Opponent Ferreria, C (Chinique)				Opponent Isaacs, C (Charlton)
2	3	Tournament Jeffreys Bay Chess Club Rapid 24 November 2022				Tournament Jeffreys Bay Chess Club Rapid 24 November 2022
		date 2022-11-24	rnd 2	type Rapid	result 1	date 2022-11-24	rnd 4	type Rapid	result 1
		Opponent Prinsloo, R (Riyaad)				Opponent Bruton, FE (Faith Elizabeth)
3	3	Tournament Jeffreys Bay Chess Club Rapid October 1 2022				Tournament Jeffreys Bay Chess Club Rapid October 2 2022
		date 2022-10-19	rnd 4	type Rapid	result 1	date 2022-10-27	rnd 1	type Rapid	result 1
		Opponent Petru, D (Denzil)				Opponent Maziena, L (Lavanya)

#	Games	Start				End
1	8	Tournament Jeffreys Bay Chess Club Blitz 28 November 2022				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2022-11-28	rnd 3	type Blitz	result 1	date 2023-02-09	rnd 4	type Blitz	result 1
		Opponent De Lange, E (Edeline)				Opponent Krieger, BCJ (Brian)
2	2	Tournament Jeffreys Bay Chess Club Blitz August 2022				Tournament Jeffreys Bay Chess Club Blitz August 2022
		date 2022-08-04	rnd 4	type Blitz	result 1	date 2022-08-04	rnd 5	type Blitz	result 1
		Opponent Petru, D (Denzil)				Opponent Maziena, L (Lavanya)
3	1	Tournament Jeffreys Bay Chess Club Blitz August 2022				Tournament Jeffreys Bay Chess Club Blitz August 2022
		date 2022-08-04	rnd 1	type Blitz	result 1	date 2022-08-04	rnd 1	type Blitz	result 1
		Opponent Isaacs, C (Charlton)				Opponent Isaacs, C (Charlton)

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 ,T (Tamia)	10	6	85	5	3	85	4	2	0	1	1	425
1	Booysen ,T (Tamia)	10	1107.2	1192.2	5	1099.2	1192.2	4	1094.3	1107.2	1	1200	1532.2
2	Isaacs ,C (Charlton)	8	7	318.8	4	4	425	2	1	0	2	2	425
2	Isaacs ,C (Charlton)	8	1019	1337.7	4	1044.2	1444	2	1106.2	1019	2	1180	1444
3	Stuurman ,P (Pedro)	6	1	-283.3	2	0	-425	2	0	-425	2	1	0
3	Stuurman ,P (Pedro)	6	1495.2	1211.8	2	1492.1	1070.2	2	1420.1	1070.2	2	1148.4	1495.2
4	Ludick ,L (Lindsay)	5	3	85	3	1	-141.7	2	2	425	0	0	0
4	Ludick ,L (Lindsay)	5	1137	1222	3	1170.3	995.3	2	1101.6	1562	0	0	0
5	Krieger ,BCJ (Brian)	5	4	255	0	0	0	3	2	141.7	2	2	425
5	Krieger ,BCJ (Brian)	5	1283.5	1538.5	0	0	0	3	1263.2	1425.2	2	1216.4	1708.5
6	Tshikosi ,M (Mashudu)	4	0	-425	3	0	-425	1	0	-425	0	0	0
6	Tshikosi ,M (Mashudu)	4	1188.3	763.3	3	1076.3	763.3	1	1552.7	763.3	0	0	0
7	Janse Van Rensburg ,S (San-Marie)	4	3	212.5	3	3	425	0	0	0	1	0	-425
7	Janse Van Rensburg ,S (San-Marie)	4	1190.2	1402.7	3	1179.6	1615.2	0	0	0	1	1198.2	765.2
8	January ,P (Pharrel)	3	3	425	1	1	425	2	2	425	0	0	0
8	January ,P (Pharrel)	3	1212.5	1637.5	1	1181.2	1637.5	2	1234.2	1637.5	0	0	0
9	Petru ,D (Denzil)	3	3	425	0	0	0	2	2	425	1	1	425
9	Petru ,D (Denzil)	3	1053.6	1478.6	0	0	0	2	1055.6	1478.6	1	1200	1478.6
10	Maziena ,L (Lavanya)	3	3	425	0	0	0	2	2	425	1	1	425
10	Maziena ,L (Lavanya)	3	1166.8	1591.8	0	0	0	2	1233.6	1591.8	1	1200	1591.8

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jantjies, J (Jayden)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms