Chess South Africa Ratings Database

PLAYER PAGE

Personal

Breytenbach, J (Jandrey)

Chess SA id

1070144859

FIDE id

Date of birth

2007-10-09 (U20)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1132.9	1177.2	1117.2	1200
Raw rating	1132.9	1177.2	1117.2	1200
Weighted rating	1132.7	1177.2	1116.9	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	182.5	171.3	186.6	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1132.9	1177.2	1117.2	1200
Analysis
Rating	1132.9	1177.2	1117.2	1200
Raw rating	1132.9	1177.2	1117.2	1200
Weighted rating	1132.7	1177.2	1116.9
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	182.5	171.3	186.6	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	1132.9	1177.2	1117.2	1200
New weighted rating	1132.7	1177.2	1116.9	1200
New weighted performance	0	0	0	0
Temp new rating	1132.9	1177.2	1117.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1132.9	1177.2	1117.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	4	0	4
	5	5	0
	0	0	0
History	9	5	4

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	9	2	22.22	-236.1	1178.3	942.2
Standard	5	2	40	-85	1170.6	1085.6
Rapid	4	0	0	-425	1187.9	762.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1132.9	1177.2	1117.2	1200
2025-09-01	1132.9	1177.2	1117.2	1200
2025-08-01	1132.9	1177.2	1117.2	1200
2025-07-01	1132.9	1177.2	1117.2	1200
2025-06-01	1132.9	1177.2	1117.2	1200
2025-05-01	1132.9	1177.2	1117.2	1200
2025-04-01	1132.9	1177.2	1117.2	1200
2025-03-01	1132.9	1177.2	1117.2	1200
2025-02-01	1132.9	1177.2	1117.2	1200
2025-01-01	1132.4	1177.2	1116.4	1200
2024-12-01	1132.4	1177.2	1116.4	1200
2024-11-01	1132.4	1177.2	1116.4	1200
2024-10-01	1132.4	1177.2	1116.4	1200
2024-09-01	1132.4	1177.2	1116.4	1200
2024-08-01	1132.4	1177.2	1116.4	1200
2024-07-01	1132.4	1177.2	1116.4	1200
2024-06-01	1132.4	1177.2	1116.4	1200
2024-08-01	1132.4	1177.2	1116.4	1200
2024-04-01	1132.4	1177.2	1116.4	1200
2024-03-01	1132.4	1177.2	1116.4	1200
2024-02-01	1132.4	1177.2	1116.4	1200
2024-01-01	1132.4	1177.2	1116.4	1200
2023-12-01	1132.4	1177.2	1116.4	1200
2023-11-01	1132.4	1177.2	1116.4	1200

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	Benoni Cluster High School League 2023 (U19 Open)	2023-05-06	2023-05-06	Rapid	Ekurhuleni (GE)	5	4	0	Yes	Analysis
2	Ekurhuleni-North Schools Teams 2022 (U15)	2022-08-13	2022-08-13	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-08-13	rnd 3	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Rwodzi, M (Makanaka)				Opponent Rwodzi, M (Makanaka)
2	1	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-13	rnd 1	type Standard	result 1
		Opponent Nkungwana, K (Kutloano)				Opponent Nkungwana, K (Kutloano)

#	Games	Start				End
1	1	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-08-13	rnd 3	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Rwodzi, M (Makanaka)				Opponent Rwodzi, M (Makanaka)
2	1	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-13	rnd 1	type Standard	result 1
		Opponent Nkungwana, K (Kutloano)				Opponent Nkungwana, K (Kutloano)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-08-13	rnd 3	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Rwodzi, M (Makanaka)				Opponent Rwodzi, M (Makanaka)
2	1	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-13	rnd 1	type Standard	result 1
		Opponent Nkungwana, K (Kutloano)				Opponent Nkungwana, K (Kutloano)

#	Games	Start				End
1	1	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-08-13	rnd 3	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Rwodzi, M (Makanaka)				Opponent Rwodzi, M (Makanaka)
2	1	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-08-13	rnd 1	type Standard	result 1	date 2022-08-13	rnd 1	type Standard	result 1
		Opponent Nkungwana, K (Kutloano)				Opponent Nkungwana, K (Kutloano)

No games found.

#	Games	Start				End

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	Esterhuizen ,S (Steven)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Esterhuizen ,S (Steven)	1	1155.2	730.2	1	1144.4	730.2	0	0	0	0	0	0
2	Rwodzi ,M (Makanaka)	1	1	425	1	1	425	0	0	0	0	0	0
2	Rwodzi ,M (Makanaka)	1	1139.3	1564.3	1	1200	1564.3	0	0	0	0	0	0
3	Nkungwana ,K (Kutloano)	1	1	425	1	1	425	0	0	0	0	0	0
3	Nkungwana ,K (Kutloano)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Venter ,A (Ary)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Venter ,A (Ary)	1	1172.4	747.4	1	1171.6	747.4	0	0	0	0	0	0
5	Robbetze ,Z (Zamian)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Robbetze ,Z (Zamian)	1	1186.1	761.1	1	1183	761.1	0	0	0	0	0	0
6	Puntis ,C (Connor)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Puntis ,C (Connor)	1	1148.9	723.9	0	0	0	1	1120	723.9	0	0	0
7	Taliotes ,K (Kimon)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Taliotes ,K (Kimon)	1	1187.4	762.4	0	0	0	1	1200	762.4	0	0	0
8	Botes ,L (Liam)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Botes ,L (Liam)	1	1215.3	790.3	0	0	0	1	1200	790.3	0	0	0
9	Pillay ,C (Caylen)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Pillay ,C (Caylen)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Breytenbach, J (Jandrey)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms