Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, D (Dian)

Chess SA id

1160148675

FIDE id

Date of birth

2016-10-03 (U10)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1026.1	997.7	1200	1200
Raw rating	1026.1	997.7	1200	1200
Weighted rating	1022.8	994.1	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	212.4	221.2	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1026.1	997.7	1200	1200
Analysis
Rating	1026.1	997.7	1200	1200
Raw rating	1026.1	997.7	1200	1200
Weighted rating	1022.8	994.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	212.4	221.2	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	1026.1	997.7	1200	1200
New weighted rating	1022.8	994.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1026.1	997.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1026.1	997.7	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	4	4
	11	11
	0	0
	0	0
History	15	15

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	15	1	6.67	-368.3	1182.6	814.2
Standard	15	1	6.67	-368.3	1182.6	814.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1026.1	997.7	1200	1200
2025-09-01	1026.1	997.7	1200	1200
2025-08-01	1026.1	997.7	1200	1200
2025-07-01	1026.1	997.7	1200	1200
2025-06-01	1026.1	997.7	1200	1200
2025-05-01	1026.1	997.7	1200	1200
2025-04-01	1026.1	997.7	1200	1200
2025-03-01	1026.1	997.7	1200	1200
2025-02-01	1026.1	997.7	1200	1200
2025-01-01	1014	984.4	1200	1200
2024-12-01	1014	984.4	1200	1200
2024-11-01	1014	984.4	1200	1200
2024-10-01	1014	984.4	1200	1200
2024-09-01	1014	984.4	1200	1200
2024-08-01	1014	984.4	1200	1200
2024-07-01	1014	984.4	1200	1200
2024-06-01	1014	984.4	1200	1200
2024-08-01	1014	984.4	1200	1200
2024-04-01	1014	984.4	1200	1200
2024-03-01	1014	984.4	1200	1200
2024-02-01	1060.5	1035.6	1200	1200
2024-01-01	1060.5	1035.6	1200	1200
2023-12-01	1060.5	1035.6	1200	1200
2023-11-01	1060.5	1035.6	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	2024 Constantiapark Open (E)	2024-02-17	2024-02-17	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
2	Laerskool Constantiapark Open Chess Tournament 2023 (U8)	2023-02-18	2023-02-18	Standard	Tshwane (GTP)	7	6	0.5	Yes	Analysis
3	2023 Tshwane Chess Open Registration Tournament (F)	2023-01-28	2023-01-28	Standard	Tshwane (GTP)	5	5	0.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament Laerskool Constantiapark Open Chess Tournament 2023				Tournament Laerskool Constantiapark Open Chess Tournament 2023
		date 2023-02-18	rnd 6	type Standard	result 0.5	date 2023-02-18	rnd 6	type Standard	result 0.5
		Opponent Nel, F (Fourie)				Opponent Nel, F (Fourie)
2	1	Tournament 2023 Tshwane Chess Open Registration Tournament				Tournament 2023 Tshwane Chess Open Registration Tournament
		date 2023-01-28	rnd 4	type Standard	result 0.5	date 2023-01-28	rnd 4	type Standard	result 0.5
		Opponent Potgieter, M (Milahn)				Opponent Potgieter, M (Milahn)

#	Games	Start				End
1	1	Tournament Laerskool Constantiapark Open Chess Tournament 2023				Tournament Laerskool Constantiapark Open Chess Tournament 2023
		date 2023-02-18	rnd 6	type Standard	result 0.5	date 2023-02-18	rnd 6	type Standard	result 0.5
		Opponent Nel, F (Fourie)				Opponent Nel, F (Fourie)
2	1	Tournament 2023 Tshwane Chess Open Registration Tournament				Tournament 2023 Tshwane Chess Open Registration Tournament
		date 2023-01-28	rnd 4	type Standard	result 0.5	date 2023-01-28	rnd 4	type Standard	result 0.5
		Opponent Potgieter, M (Milahn)				Opponent Potgieter, M (Milahn)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

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	Potgieter ,M (Melan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Potgieter ,M (Melan)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Rocher ,G (Gideon)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Rocher ,G (Gideon)	1	1198.7	773.7	1	1198.4	773.7	0	0	0	0	0	0
3	Du Toit ,W (Wilco)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Du Toit ,W (Wilco)	1	1071.8	646.8	1	1069.6	646.8	0	0	0	0	0	0
4	Wolff ,M (Mikayla)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Wolff ,M (Mikayla)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Nel ,F (Fourie)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Nel ,F (Fourie)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Fourie ,E (Ernest)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fourie ,E (Ernest)	1	1182.8	757.8	1	1180.4	757.8	0	0	0	0	0	0
7	Janse Van Rensburg ,A (Ava)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Janse Van Rensburg ,A (Ava)	1	1199.5	774.5	1	1202	774.5	0	0	0	0	0	0
8	Gauche ,K (Kian)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Gauche ,K (Kian)	1	1170.4	745.4	1	1170.1	745.4	0	0	0	0	0	0
9	Malan ,D (Divan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Malan ,D (Divan)	1	1182.1	757.1	1	1177.6	757.1	0	0	0	0	0	0
10	Barkhuizen ,R (Reuben)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Barkhuizen ,R (Reuben)	1	1200	775	1	1200	775	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

Coetzee, D (Dian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms