Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koorts, WM (Wietzke)

Chess SA id

100016245

FIDE id

Date of birth

2000-06-23 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-08-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1124	1124	1029.2	1029.2
Raw rating	1124	1124	1029.2	1029.2
Weighted rating	1123.8	1123.9	1029.2	1029.2
Weighted performance	0	0	0	0
Floor	624	624	529.2	529.2
K-factor	40	40	40	40
Min/Max rating change allowed	184.8	184.8	211.5	211.5
Highest rating	1240.7 2018-03-01	1238.5 2018-03-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1124 2024-02-01	1124 2024-02-01	1029.2 2024-02-01	1029.2 2024-02-01
Highest weighted rating	1124 2024-11-01	1124 2024-11-01	1029.2 2024-11-01	1029.2 2024-11-01
Highest weighted performance	1240.7 2018-03-01	1238.5 2018-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1124	1124	1029.2	1029.2
Analysis
Rating	1124	1124	1029.2	1029.2
Raw rating	1124	1124	1029.2	1029.2
Weighted rating	1123.8	1123.9	1029.2
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	624	624	529.2	529.2
Max/Min rating change allowed	184.8	184.8	211.5	211.5
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	1124	1124	1029.2	1029.2
New weighted rating	1123.9	1124	1029.2	1029.2
New weighted performance	0	0	0	0
Temp new rating	1124	1124	1029.2	1029.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1124	1124	1029.2	1029.2
New K-factor	40	40	40	40
New floor	624	624	529.2	529.2

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	182	179	3

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	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	14	8	57.14	60.7	1135.7	1196.4
Standard	14	8	57.14	60.7	1135.7	1196.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1124	1124	1029.2	1029.2
2025-09-01	1124	1124	1029.2	1029.2
2025-08-01	1124	1124	1029.2	1029.2
2025-07-01	1124	1124	1029.2	1029.2
2025-06-01	1124	1124	1029.2	1029.2
2025-05-01	1124	1124	1029.2	1029.2
2025-04-01	1124	1124	1029.2	1029.2
2025-03-01	1124	1124	1029.2	1029.2
2025-02-01	1124	1124	1029.2	1029.2
2025-01-01	1124	1124	1029.2	1029.2
2024-12-01	1124	1124	1029.2	1029.2
2024-11-01	1124	1124	1029.2	1029.2
2024-10-01	1124	1124	1029.2	1029.2
2024-09-01	1124	1124	1029.2	1029.2
2024-08-01	1124	1124	1029.2	1029.2
2024-07-01	1124	1124	1029.2	1029.2
2024-06-01	1124	1124	1029.2	1029.2
2024-08-01	1124	1124	1029.2	1029.2
2024-04-01	1124	1124	1029.2	1029.2
2024-03-01	1124	1124	1029.2	1029.2
2024-02-01	1124	1124	1029.2	1029.2
2024-01-01	1124	1124	1029.2	1029.2
2023-12-01	1106.2	1117.6	1029.2	1029.2
2023-11-01	1106.2	1117.6	1029.2	1029.2

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	2018 D4 Tshwane South Schools League Finals (U19)	2018-08-04	2018-08-04	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
2	2018 D4 Tshwane North Individual Chess Championships (U19 Boys)	2018-03-10	2018-03-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	Grey College Inter Team Chess Tournament 2018 (A)	2018-02-23	2018-02-24	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2018 D4 Tshwane North Individual Chess Championships				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Netshitomboni, M (Mufunwa)				Opponent Rhoodie, N (Nicolaas)
2	2	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Grey College Inter Team Chess Tournament 2018
		date 2018-02-24	rnd 3	type Standard	result 1	date 2018-02-24	rnd 4	type Standard	result 1
		Opponent Schafer, K (Kaylin)				Opponent Van Den Berg, A (Ane)
3	1	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-08-04	rnd 4	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Botha, L (Le-Ri)				Opponent Botha, L (Le-Ri)

#	Games	Start				End
1	2	Tournament 2018 D4 Tshwane North Individual Chess Championships				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Netshitomboni, M (Mufunwa)				Opponent Rhoodie, N (Nicolaas)
2	2	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Grey College Inter Team Chess Tournament 2018
		date 2018-02-24	rnd 3	type Standard	result 1	date 2018-02-24	rnd 4	type Standard	result 1
		Opponent Schafer, K (Kaylin)				Opponent Van Den Berg, A (Ane)
3	1	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-08-04	rnd 4	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Botha, L (Le-Ri)				Opponent Botha, L (Le-Ri)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2018 D4 Tshwane North Individual Chess Championships				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Netshitomboni, M (Mufunwa)				Opponent Rhoodie, N (Nicolaas)
2	2	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Grey College Inter Team Chess Tournament 2018
		date 2018-02-24	rnd 3	type Standard	result 1	date 2018-02-24	rnd 4	type Standard	result 1
		Opponent Schafer, K (Kaylin)				Opponent Van Den Berg, A (Ane)
3	1	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-08-04	rnd 4	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Botha, L (Le-Ri)				Opponent Botha, L (Le-Ri)

#	Games	Start				End
1	2	Tournament 2018 D4 Tshwane North Individual Chess Championships				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Netshitomboni, M (Mufunwa)				Opponent Rhoodie, N (Nicolaas)
2	2	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Grey College Inter Team Chess Tournament 2018
		date 2018-02-24	rnd 3	type Standard	result 1	date 2018-02-24	rnd 4	type Standard	result 1
		Opponent Schafer, K (Kaylin)				Opponent Van Den Berg, A (Ane)
3	1	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-08-04	rnd 4	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Botha, L (Le-Ri)				Opponent Botha, L (Le-Ri)

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	Botha ,L (Le-Ri)	1	1	425	1	1	425	0	0	0	0	0	0
1	Botha ,L (Le-Ri)	1	1077.5	1502.5	1	1079.9	1502.5	0	0	0	0	0	0
2	Botha ,B (Brihan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Botha ,B (Brihan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Lombaard ,D (Divan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Lombaard ,D (Divan)	1	1006	581	1	1006	581	0	0	0	0	0	0
4	Schafer ,K (Kaylin)	1	1	425	1	1	425	0	0	0	0	0	0
4	Schafer ,K (Kaylin)	1	761.8	1186.8	1	761.8	1186.8	0	0	0	0	0	0
5	Thom ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Thom ,L (Liam)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Steenkamp ,AL (Armin Lodewyk)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Steenkamp ,AL (Armin Lodewyk)	1	1325.7	900.7	1	1325.7	900.7	0	0	0	0	0	0
7	Rhoodie ,N (Nicolaas)	1	1	425	1	1	425	0	0	0	0	0	0
7	Rhoodie ,N (Nicolaas)	1	1062.4	1487.4	1	1058.2	1487.4	0	0	0	0	0	0
8	Scheepers ,R (Reinhardt)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Scheepers ,R (Reinhardt)	1	1181.5	756.5	1	1170.7	756.5	0	0	0	0	0	0
9	Mazibuko ,T (Themba)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mazibuko ,T (Themba)	1	902.4	1327.4	1	902.4	1327.4	0	0	0	0	0	0
10	Netshitomboni ,M (Mufunwa)	1	1	425	1	1	425	0	0	0	0	0	0
10	Netshitomboni ,M (Mufunwa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Koorts, WM (Wietzke)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms