Chess South Africa Ratings Database

PLAYER PAGE

Personal

Esterhuizen, J (Johan-Otto)

Chess SA id

1080303611

FIDE id

Date of birth

2008-07-15 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1173.5	1167.8	1200	1200
Raw rating	1173.5	1167.8	1200	1200
Weighted rating	1170.1	1163.7	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	172.2	173.6	165.8	165.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-06-01	1200 2024-06-01
Highest raw rating	1200 2024-05-01	1200 2024-05-01	1200 2024-06-01	1200 2024-06-01
Highest weighted rating	1200 2024-11-01	1200 2024-11-01	1200 2024-06-01	1200 2024-06-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-06-01	1200 2024-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1173.5	1167.8	1200	1200
Analysis
Rating	1173.5	1167.8	1200	1200
Raw rating	1173.5	1167.8	1200	1200
Weighted rating	1170.1	1163.7	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	172.2	173.6	165.8	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	1173.5	1167.8	1200	1200
New weighted rating	1170	1163.7	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1173.5	1167.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1173.5	1167.8	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	5	5
	0	0
	0	0
	0	0
History	5	5

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
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	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	5	1	20	-255	1230.8	975.8
Standard	5	1	20	-255	1230.8	975.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1173.5	1167.8	1200	1200
2025-09-30	1173.5	1167.8	1200	1200
2025-09-01	1173.5	1167.8	1200	1200
2025-08-01	1173.5	1167.8	1200	1200
2025-07-01	1173.5	1167.8	1200	1200
2025-06-01	1173.5	1167.8	1200	1200
2025-05-01	1173.5	1167.8	1200	1200
2025-04-01	1173.5	1167.8	1200	1200
2025-03-01	1173.5	1167.8	1200	1200
2025-02-01	1172.9	1167.1	1200	1200
2025-01-01	1154.8	1145.2	1200	1200
2024-12-01	1154.8	1145.2	1200	1200
2024-11-01	1154.8	1145.2	1200	1200
2024-10-01	1154.8	1145.2	1200	1200
2024-09-01	1154.8	1145.2	1200	1200
2024-08-01	1154.8	1145.2	1200	1200
2024-07-01	1154.8	1145.2	1200	1200
2024-09-01	1154.8	1145.2	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	Sedibeng Chess Open 11 May 2024 (U18)	2024-05-11	2024-05-11	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament Sedibeng Chess Open 11 May 2024				Tournament Sedibeng Chess Open 11 May 2024
		date 2024-05-11	rnd 5	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Du Preez, G (Gustav)				Opponent Du Preez, G (Gustav)

#	Games	Start				End
1	1	Tournament Sedibeng Chess Open 11 May 2024				Tournament Sedibeng Chess Open 11 May 2024
		date 2024-05-11	rnd 5	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Du Preez, G (Gustav)				Opponent Du Preez, G (Gustav)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Sedibeng Chess Open 11 May 2024				Tournament Sedibeng Chess Open 11 May 2024
		date 2024-05-11	rnd 5	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Du Preez, G (Gustav)				Opponent Du Preez, G (Gustav)

#	Games	Start				End
1	1	Tournament Sedibeng Chess Open 11 May 2024				Tournament Sedibeng Chess Open 11 May 2024
		date 2024-05-11	rnd 5	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Du Preez, G (Gustav)				Opponent Du Preez, G (Gustav)

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	Eberwein ,HJ (Heinrich Jurgen)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Eberwein ,HJ (Heinrich Jurgen)	1	1326.9	901.9	1	1325.3	901.9	0	0	0	0	0	0
2	Ndam ,Z (Zolile)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Ndam ,Z (Zolile)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Du Preez ,G (Gustav)	1	1	425	1	1	425	0	0	0	0	0	0
3	Du Preez ,G (Gustav)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Sethabela ,K (Kgotso)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Sethabela ,K (Kgotso)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Twala ,T (Tsebo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Twala ,T (Tsebo)	1	1227.3	802.3	1	1224.6	802.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Esterhuizen, J (Johan-Otto)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms