Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mentz, W (Wian)

Chess SA id

1140193358

FIDE id

Date of birth

2014-02-12 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1230.4

Item	Main	Standard	Rapid	Blitz
Rating	1219	1200.1	1240	1200
Raw rating	1218	1200.1	1240	1200
Weighted rating	1219	1199.9	1237.2	1200
Weighted performance	0	0	0	0
Floor	756.7	743.7	740	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.6	165.8	156.6	165.8
Highest rating	1256.7 2025-03-01	1243.7 2025-03-01	1346.2 2024-05-01	1200 2024-02-01
Highest raw rating	1256.7 2025-03-01	1243.7 2025-03-01	1240 2024-06-01	1200 2024-02-01
Highest weighted rating	1256.7 2024-10-01	1243.7 2024-02-01	1240 2024-10-01	1200 2024-02-01
Highest weighted performance	1234.6 2024-05-01	1200 2024-12-01	1346.2 2024-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.2	0	0	0
New rating	1219.3	1200.1	1240	1200
Analysis
Rating	1219	1200.1	1240	1200
Raw rating	1218	1200.1	1240	1200
Weighted rating	1219	1199.9	1237.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	756.7	743.7	740	700
Max/Min rating change allowed	161.6	165.8	156.6	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	1218	1200.1	1240	1200
New weighted rating	1219.3	1200	1238	1200
New weighted performance	0	0	0	0
Temp new rating	1219.3	1200.1	1240	1200
Temp new rating +/-	0.2	0	0	0
Final new rating +/-	0.2	0	0	0
New rating	1219.3	1200.1	1240	1200
New K-factor	36	36	36	36
New floor	756.7	743.7	740	700

Item	Main	Standard	Rapid
	0	0	0
	12	12	0
	11	5	6
	0	0	0
	0	0	0
	0	0	0
History	23	17	6

Games since
	Main 23	Standard 17		Rapid 6		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	12	5.5	45.83	-35.4	1273	1237.6
Standard	12	5.5	45.83	-35.4	1273	1237.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	12	52.17	18.5	1234.6	1253.1
Standard	17	8	47.06	-25	1248	1223
Rapid	6	4	66.67	141.7	1196.8	1338.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1218	1200.1	1240	1200
2025-09-30	1218	1200.1	1240	1200
2025-09-01	1218	1200.1	1240	1200
2025-08-01	1218	1200.1	1240	1200
2025-07-01	1217.9	1200.1	1240	1200
2025-06-01	1217.9	1200.1	1240	1200
2025-05-01	1217.9	1200.1	1240	1200
2025-04-01	1217.9	1200.1	1240	1200
2025-03-01	1256.7	1243.7	1240	1200
2025-02-01	1219.3	1195	1240	1200
2025-01-01	1219.3	1193.2	1240	1200
2024-12-01	1219.3	1193.2	1240	1200
2024-11-01	1219.3	1193.2	1240	1200
2024-10-01	1219.3	1193.2	1240	1200
2024-09-01	1219.3	1193.2	1240	1200
2024-08-01	1219.3	1193.2	1240	1200
2024-07-01	1219.3	1193.2	1240	1200
2024-09-01	1219.3	1193.2	1240	1200
2024-05-01	1196.3	1193.2	1200	1200
2024-04-01	1196.3	1193.2	1200	1200
2024-03-01	1196.3	1193.2	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

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro Schools Individual Closed 2025 (U11 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
2	CT Metro District East Schools Chess Individuals Trials 2025 (U11 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro Schools Individual Closed 2025 (U11 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
2	CT Metro District East Schools Chess Individuals Trials 2025 (U11 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
3	Rhenish PS Tournament 2024 (U12)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
4	CT District East Schools Chess Individuals Trails 2024 (U11 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-02	rnd 5	type Standard	result 1	date 2025-03-02	rnd 6	type Standard	result 0.5
		Opponent Hendrikse, L (Liam)				Opponent Morris, C (Connor)
2	2	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 6	type Standard	result 1
		Opponent Tjeenk Willink, T (Tau)				Opponent Van Wyngaardt, L (Luca)
3	2	Tournament Rhenish PS Tournament 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-05-11	rnd 6	type Rapid	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Venter, D (Danelize)				Opponent Makhetha, I (Isipho Karabelo)

#	Games	Start				End
1	2	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-02	rnd 5	type Standard	result 1	date 2025-03-02	rnd 6	type Standard	result 0.5
		Opponent Hendrikse, L (Liam)				Opponent Morris, C (Connor)
2	2	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 6	type Standard	result 1
		Opponent Tjeenk Willink, T (Tau)				Opponent Van Wyngaardt, L (Luca)
3	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-02-03	rnd 5	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Gxogxa, K (Khoyane)				Opponent Makhetha, I (Isipho Karabelo)

#	Games	Start				End
1	2	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Smith, L (Lian)				Opponent Rommelmann, L (Liezl-Marie)
2	1	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 6	type Rapid	result 1	date 2024-05-11	rnd 6	type Rapid	result 1
		Opponent Venter, D (Danelize)				Opponent Venter, D (Danelize)
3	1	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 1	type Rapid	result 1
		Opponent Pool, A (Ava)				Opponent Pool, A (Ava)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 6	type Standard	result 1
		Opponent Tjeenk Willink, T (Tau)				Opponent Van Wyngaardt, L (Luca)
2	2	Tournament Rhenish PS Tournament 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-05-11	rnd 6	type Rapid	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Venter, D (Danelize)				Opponent Makhetha, I (Isipho Karabelo)
3	2	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Smith, L (Lian)				Opponent Rommelmann, L (Liezl-Marie)

#	Games	Start				End
1	2	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 6	type Standard	result 1
		Opponent Tjeenk Willink, T (Tau)				Opponent Van Wyngaardt, L (Luca)
2	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-02-03	rnd 5	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Gxogxa, K (Khoyane)				Opponent Makhetha, I (Isipho Karabelo)
3	1	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-02	rnd 5	type Standard	result 1	date 2025-03-02	rnd 5	type Standard	result 1
		Opponent Hendrikse, L (Liam)				Opponent Hendrikse, L (Liam)

#	Games	Start				End
1	2	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Smith, L (Lian)				Opponent Rommelmann, L (Liezl-Marie)
2	1	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 6	type Rapid	result 1	date 2024-05-11	rnd 6	type Rapid	result 1
		Opponent Venter, D (Danelize)				Opponent Venter, D (Danelize)
3	1	Tournament Rhenish PS Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 1	type Rapid	result 1
		Opponent Pool, A (Ava)				Opponent Pool, A (Ava)

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	Kroukamp ,A (Adam)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Kroukamp ,A (Adam)	1	1204.5	779.5	1	1203.6	779.5	0	0	0	0	0	0
2	Whyatt ,B (Benji)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Whyatt ,B (Benji)	1	1504	1079	1	1476.8	1079	0	0	0	0	0	0
3	Gxogxa ,K (Khoyane)	1	1	425	1	1	425	0	0	0	0	0	0
3	Gxogxa ,K (Khoyane)	1	1132.2	1557.2	1	1155.6	1557.2	0	0	0	0	0	0
4	Morris ,C (Connor)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Morris ,C (Connor)	1	1212.8	1212.8	1	1216.9	1212.8	0	0	0	0	0	0
5	Stewart ,N (Neil)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Stewart ,N (Neil)	1	1538.6	1113.6	1	1504.1	1113.6	0	0	0	0	0	0
6	Janse Van Rensburg ,T (Tj)	1	1	425	1	1	425	0	0	0	0	0	0
6	Janse Van Rensburg ,T (Tj)	1	1194.6	1619.6	1	1157.2	1619.6	0	0	0	0	0	0
7	Ganief ,K (Khaalid)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ganief ,K (Khaalid)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Katazwa ,M (Milani)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Katazwa ,M (Milani)	1	1161.6	736.6	1	1200	736.6	0	0	0	0	0	0
9	Hendrikse ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
9	Hendrikse ,L (Liam)	1	1237.4	1662.4	1	1241.5	1662.4	0	0	0	0	0	0
10	Van Wyngaardt ,L (Luca)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Wyngaardt ,L (Luca)	1	1199.5	1624.5	1	1200	1624.5	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

Mentz, W (Wian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms