Chess South Africa Ratings Database

PLAYER PAGE

Personal

Wessels, D (Dian)

Chess SA id

1770096075

FIDE id

Date of birth

1977-12-27 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1274.6	1269.3	1300	1300
Raw rating	1274.6	1269.3	1300	1300
Weighted rating	1274.6	1269.3	1299	1299
Weighted performance	200.7	198.1	0	0
Floor	774.6	769.3	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	149.1	150.2	143.8	143.8
Highest rating	1451.3 2019-09-01	1440.9 2019-09-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1274.6 2024-02-01	1269.3 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1274.6 2024-02-01	1269.3 2024-02-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1451.3 2019-09-01	1440.9 2019-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1274.6	1269.3	1300	1300
Analysis
Rating	1274.6	1269.3	1300	1300
Raw rating	1274.6	1269.3	1300	1300
Weighted rating	1274.6	1269.3	1299
Weighted performance	200.7	198.1	0
K-factor	36	36	36	36
Floor	774.6	769.3	800	800
Max/Min rating change allowed	149.1	150.2	143.8	143.8
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	1274.6	1269.3	1300	1300
New weighted rating	1274.6	1269.3	1299.7	1299.7
New weighted performance	200.3	197.7	0	0
Temp new rating	1274.6	1269.3	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1274.6	1269.3	1300	1300
New K-factor	36	36	36	36
New floor	774.6	769.3	800	800

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	49	49

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	49	31	63.27	112.8	1119.3	1232.1
Standard	49	31	63.27	112.8	1119.3	1232.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1274.6	1269.3	1300	1300
2025-09-01	1274.6	1269.3	1300	1300
2025-08-01	1274.6	1269.3	1300	1300
2025-07-01	1274.6	1269.3	1300	1300
2025-06-01	1274.6	1269.3	1300	1300
2025-05-01	1274.6	1269.3	1300	1300
2025-04-01	1274.6	1269.3	1300	1300
2025-03-01	1274.6	1269.3	1300	1300
2025-02-01	1274.6	1269.3	1300	1300
2025-01-01	1274.6	1269.3	1300	1300
2024-12-01	1274.6	1269.3	1300	1300
2024-11-01	1274.6	1269.3	1300	1300
2024-10-01	1274.6	1269.3	1300	1300
2024-09-01	1274.6	1269.3	1300	1300
2024-08-01	1274.6	1269.3	1300	1300
2024-07-01	1274.6	1269.3	1300	1300
2024-06-01	1274.6	1269.3	1300	1300
2024-08-01	1274.6	1269.3	1300	1300
2024-04-01	1274.6	1269.3	1300	1300
2024-03-01	1274.6	1269.3	1300	1300
2024-02-01	1274.6	1269.3	1300	1300
2024-01-01	1274.6	1269.3	1300	1300
2023-12-01	1274.6	1269.3	1200	1200
2023-11-01	1274.6	1269.3	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	2019 Western Province League (C)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	1	1	Yes	Analysis
2	2019 Western Province League (D)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	4	2	Yes	Analysis
3	2019 Western Province League (E)	2019-07-27	2019-08-10	Standard	Cape Town (WCT)	9	3	3	Yes	Analysis
4	2019 Western Province Open (Open)	2019-05-25	2019-05-26	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
5	Crossroads Open Chess Championship 2019 (C)	2019-04-27	2019-04-28	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
6	2018 Western Province League (C)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	2	0	Yes	Analysis
7	2018 Western Province League (D)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	2	1	Yes	Analysis
8	2018 Western Province League (E)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	7	3	2.5	Yes	Analysis
9	Paul Roos Open Championship 2018 (C)	2018-09-22	2018-09-23	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
10	Grassy Park Open 2018 (B)	2018-06-29	2018-07-01	Standard	Cape Town (WCT)	6	5	4	Yes	Analysis
11	Crossroads Open Chess Championship 2018 (B)	2018-04-27	2018-04-29	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
12	2018 Cape of Good Hope Open Chess Championships (C)	2018-01-26	2018-01-28	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-24	rnd 9	type Standard	result 1
		Opponent Ngudle, M (Mandisi)				Opponent Ketani, MJL (Michael)
2	4	Tournament Crossroads Open Chess Championship 2019				Tournament 2019 Western Province Open
		date 2019-04-28	rnd 6	type Standard	result 1	date 2019-05-26	rnd 4	type Standard	result 1
		Opponent Macilikishe, A (Ayabulela)				Opponent Jonkers, T (Tristan)
3	4	Tournament Grassy Park Open 2018				Tournament 2018 Western Province League
		date 2018-07-01	rnd 5	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Khan, S (Sher Ali)				Opponent Spiller, C (Caden)

#	Games	Start				End
1	5	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-24	rnd 9	type Standard	result 1
		Opponent Ngudle, M (Mandisi)				Opponent Ketani, MJL (Michael)
2	4	Tournament Crossroads Open Chess Championship 2019				Tournament 2019 Western Province Open
		date 2019-04-28	rnd 6	type Standard	result 1	date 2019-05-26	rnd 4	type Standard	result 1
		Opponent Macilikishe, A (Ayabulela)				Opponent Jonkers, T (Tristan)
3	4	Tournament Grassy Park Open 2018				Tournament 2018 Western Province League
		date 2018-07-01	rnd 5	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Khan, S (Sher Ali)				Opponent Spiller, C (Caden)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-24	rnd 9	type Standard	result 1
		Opponent Ngudle, M (Mandisi)				Opponent Ketani, MJL (Michael)
2	4	Tournament Crossroads Open Chess Championship 2019				Tournament 2019 Western Province Open
		date 2019-04-28	rnd 6	type Standard	result 1	date 2019-05-26	rnd 4	type Standard	result 1
		Opponent Macilikishe, A (Ayabulela)				Opponent Jonkers, T (Tristan)
3	4	Tournament Grassy Park Open 2018				Tournament 2018 Western Province League
		date 2018-07-01	rnd 5	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Khan, S (Sher Ali)				Opponent Spiller, C (Caden)

#	Games	Start				End
1	5	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-24	rnd 9	type Standard	result 1
		Opponent Ngudle, M (Mandisi)				Opponent Ketani, MJL (Michael)
2	4	Tournament Crossroads Open Chess Championship 2019				Tournament 2019 Western Province Open
		date 2019-04-28	rnd 6	type Standard	result 1	date 2019-05-26	rnd 4	type Standard	result 1
		Opponent Macilikishe, A (Ayabulela)				Opponent Jonkers, T (Tristan)
3	4	Tournament Grassy Park Open 2018				Tournament 2018 Western Province League
		date 2018-07-01	rnd 5	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Khan, S (Sher Ali)				Opponent Spiller, C (Caden)

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	Ketani ,MJL (Michael)	2	1	0	2	1	0	0	0	0	0	0	0
1	Ketani ,MJL (Michael)	2	1223.3	1223.3	2	1224.5	1223.3	0	0	0	0	0	0
2	Kedama ,S (Sandiso)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Kedama ,S (Sandiso)	2	1140.1	715.1	2	1142.3	715.1	0	0	0	0	0	0
3	Spiller ,C (Caden)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
3	Spiller ,C (Caden)	2	1157.3	1369.8	2	1121.4	1369.8	0	0	0	0	0	0
4	Van Staaden ,BH (Burton)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Van Staaden ,BH (Burton)	2	1213.3	1000.8	2	1206.4	1000.8	0	0	0	0	0	0
5	Macilikishe ,A (Ayabulela)	2	2	425	2	2	425	0	0	0	0	0	0
5	Macilikishe ,A (Ayabulela)	2	1141	1566	2	1137.8	1566	0	0	0	0	0	0
6	Osborne ,R (Ryan Eugene)	1	1	425	1	1	425	0	0	0	0	0	0
6	Osborne ,R (Ryan Eugene)	1	974.8	1399.8	1	757.6	1399.8	0	0	0	0	0	0
7	Ntlahla ,A (Anathi)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ntlahla ,A (Anathi)	1	1105.8	1530.8	1	1098.4	1530.8	0	0	0	0	0	0
8	Raubenheimer ,G (Granton)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Raubenheimer ,G (Granton)	1	1268.2	843.2	1	1276.8	843.2	0	0	0	0	0	0
9	Mamba ,SC (Sonke)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mamba ,SC (Sonke)	1	1032.7	607.7	1	1038	607.7	0	0	0	0	0	0
10	Copley ,H (Hugh)	1	1	425	1	1	425	0	0	0	0	0	0
10	Copley ,H (Hugh)	1	1123	1548	1	1143	1548	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Wessels, D (Dian)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms