Chess South Africa Ratings Database

PLAYER PAGE

Personal

Visser, W (Wiehan)

Chess SA id

1090105139

FIDE id

Date of birth

2009-10-12 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-08-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1108	1087.2	1200	1200
Raw rating	1108	1087.2	1200	1200
Weighted rating	1108	1087.2	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	189	194.7	165.8	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1108	1087.2	1200	1200
Analysis
Rating	1108	1087.2	1200	1200
Raw rating	1108	1087.2	1200	1200
Weighted rating	1108	1087.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	189	194.7	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	1108	1087.2	1200	1200
New weighted rating	1108	1087.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1108	1087.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1108	1087.2	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
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	10	4	40	-85	1018.2	933.2
Standard	10	4	40	-85	1018.2	933.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1108	1087.2	1200	1200
2025-09-01	1108	1087.2	1200	1200
2025-08-01	1108	1087.2	1200	1200
2025-07-01	1108	1087.2	1200	1200
2025-06-01	1108	1087.2	1200	1200
2025-05-01	1108	1087.2	1200	1200
2025-04-01	1108	1087.2	1200	1200
2025-03-01	1108	1087.2	1200	1200
2025-02-01	1108	1087.2	1200	1200
2025-01-01	1108	1087.2	1200	1200
2024-12-01	1108	1087.2	1200	1200
2024-11-01	1108	1087.2	1200	1200
2024-10-01	1108	1087.2	1200	1200
2024-09-01	1108	1087.2	1200	1200
2024-08-01	1108	1087.2	1200	1200
2024-07-01	1108	1087.2	1200	1200
2024-06-01	1108	1087.2	1200	1200
2024-08-01	1108	1087.2	1200	1200
2024-04-01	1108	1087.2	1200	1200
2024-03-01	1108	1087.2	1200	1200
2024-02-01	1108	1087.2	1200	1200
2024-01-01	1108	1087.2	1200	1200
2023-12-01	1108	1087.2	1200	1200
2023-11-01	1108	1087.2	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	2018 Gauteng League Final (U9)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2018 D4 Tshwane South Schools League Finals (U9)	2018-08-03	2018-08-03	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-24	rnd 1	type Standard	result 1	date 2018-08-24	rnd 2	type Standard	result 1
		Opponent Hattingh, T (Tiaan)				Opponent Moolman, M (Martin)
2	1	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-24	rnd 5	type Standard	result 1	date 2018-08-24	rnd 5	type Standard	result 1
		Opponent Stevens, W (Wichardo)				Opponent Stevens, W (Wichardo)
3	1	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-08-03	rnd 2	type Standard	result 1	date 2018-08-03	rnd 2	type Standard	result 1
		Opponent De Wit, D (Dian)				Opponent De Wit, D (Dian)

#	Games	Start				End
1	2	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-24	rnd 1	type Standard	result 1	date 2018-08-24	rnd 2	type Standard	result 1
		Opponent Hattingh, T (Tiaan)				Opponent Moolman, M (Martin)
2	1	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-24	rnd 5	type Standard	result 1	date 2018-08-24	rnd 5	type Standard	result 1
		Opponent Stevens, W (Wichardo)				Opponent Stevens, W (Wichardo)
3	1	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-08-03	rnd 2	type Standard	result 1	date 2018-08-03	rnd 2	type Standard	result 1
		Opponent De Wit, D (Dian)				Opponent De Wit, D (Dian)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-24	rnd 1	type Standard	result 1	date 2018-08-24	rnd 2	type Standard	result 1
		Opponent Hattingh, T (Tiaan)				Opponent Moolman, M (Martin)
2	1	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-24	rnd 5	type Standard	result 1	date 2018-08-24	rnd 5	type Standard	result 1
		Opponent Stevens, W (Wichardo)				Opponent Stevens, W (Wichardo)
3	1	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-08-03	rnd 2	type Standard	result 1	date 2018-08-03	rnd 2	type Standard	result 1
		Opponent De Wit, D (Dian)				Opponent De Wit, D (Dian)

#	Games	Start				End
1	2	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-24	rnd 1	type Standard	result 1	date 2018-08-24	rnd 2	type Standard	result 1
		Opponent Hattingh, T (Tiaan)				Opponent Moolman, M (Martin)
2	1	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-24	rnd 5	type Standard	result 1	date 2018-08-24	rnd 5	type Standard	result 1
		Opponent Stevens, W (Wichardo)				Opponent Stevens, W (Wichardo)
3	1	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-08-03	rnd 2	type Standard	result 1	date 2018-08-03	rnd 2	type Standard	result 1
		Opponent De Wit, D (Dian)				Opponent De Wit, D (Dian)

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	Liang ,YX (Yi-Xuan (Bowie))	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Liang ,YX (Yi-Xuan (Bowie))	2	1034.3	609.3	2	1029	609.3	0	0	0	0	0	0
2	Stevens ,W (Wichardo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Stevens ,W (Wichardo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Gounder ,A (Arun)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Gounder ,A (Arun)	1	986.4	561.4	1	981.6	561.4	0	0	0	0	0	0
4	De Wit ,D (Dian)	1	1	425	1	1	425	0	0	0	0	0	0
4	De Wit ,D (Dian)	1	1130	1555	1	1120.4	1555	0	0	0	0	0	0
5	Meades ,RA (Ruben Abraham)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Meades ,RA (Ruben Abraham)	1	1151.6	726.6	1	1146.8	726.6	0	0	0	0	0	0
6	Keyser ,H (Hendre Etienne)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Keyser ,H (Hendre Etienne)	1	1231.2	806.2	1	1236.8	806.2	0	0	0	0	0	0
7	Koopmans ,X (Xander)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Koopmans ,X (Xander)	1	1158.7	733.7	1	1145.8	733.7	0	0	0	0	0	0
8	Hattingh ,T (Tiaan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Hattingh ,T (Tiaan)	1	622	1047	1	645.6	1047	0	0	0	0	0	0
9	Moolman ,M (Martin)	1	1	425	1	1	425	0	0	0	0	0	0
9	Moolman ,M (Martin)	1	633.5	1058.5	1	656.8	1058.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Visser, W (Wiehan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms