Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, T (Tiaan)

Chess SA id

180039321

FIDE id

Date of birth

1980-08-08 (Adult)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-09-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1261.4	1222.6	1300	1300
Raw rating	1261.4	1222.6	1300	1300
Weighted rating	1259.3	1220.7	1299	1299
Weighted performance	0	0	0	0
Floor	761.4	722.6	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	151.9	160.6	143.8	143.8
Highest rating	1261.4 2024-02-01	1222.6 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1261.4 2024-02-01	1222.6 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1254.3 2025-08-01	1222.6 2018-02-01	1296.7 2025-08-01	1296.7 2025-08-01
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	1261.4	1222.6	1300	1300
Analysis
Rating	1261.4	1222.6	1300	1300
Raw rating	1261.4	1222.6	1300	1300
Weighted rating	1259.3	1220.7	1299
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	761.4	722.6	800	800
Max/Min rating change allowed	151.9	160.6	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	1261.4	1222.6	1300	1300
New weighted rating	1260.7	1222	1299.7	1299.7
New weighted performance	0	0	0	0
Temp new rating	1261.4	1222.6	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1261.4	1222.6	1300	1300
New K-factor	36	36	36	36
New floor	761.4	722.6	800	800

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	18	18

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Mangaung (FMB)
Province	Free State (FS)
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	18	2	11.11	-330.6	1293.1	962.5
Standard	18	2	11.11	-330.6	1293.1	962.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1261.4	1222.6	1300	1300
2025-09-01	1261.4	1222.6	1300	1300
2025-08-01	1261.4	1222.6	1300	1300
2025-07-01	1261.4	1222.6	1300	1300
2025-06-01	1261.4	1222.6	1300	1300
2025-05-01	1261.4	1222.6	1300	1300
2025-04-01	1261.4	1222.6	1300	1300
2025-03-01	1261.4	1222.6	1300	1300
2025-02-01	1261.4	1222.6	1300	1300
2025-01-01	1261.4	1222.6	1300	1300
2024-12-01	1261.4	1222.6	1300	1300
2024-11-01	1261.4	1222.6	1300	1300
2024-10-01	1261.4	1222.6	1300	1300
2024-09-01	1261.4	1222.6	1300	1300
2024-08-01	1261.4	1222.6	1300	1300
2024-07-01	1261.4	1222.6	1300	1300
2024-06-01	1261.4	1222.6	1300	1300
2024-08-01	1261.4	1222.6	1300	1300
2024-04-01	1261.4	1222.6	1300	1300
2024-03-01	1261.4	1222.6	1300	1300
2024-02-01	1261.4	1222.6	1300	1300
2024-01-01	1261.4	1222.6	1300	1300
2023-12-01	1046.9	1034.2	1200	1200
2023-11-01	1046.9	1034.2	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	SAPS National Individual Championship 2018 (Men)	2018-09-12	2018-09-15	Standard	Xhariep (FXT)	9	9	2	Yes	Analysis
2	SAPS National Team Championship 2018	2018-09-11	2018-09-11	Standard	Xhariep (FXT)	9	9	0	Yes	Analysis

#	Games	Start				End
1	1	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-13	rnd 4	type Standard	result 1	date 2018-09-13	rnd 4	type Standard	result 1
		Opponent Mukwevho, R (Reginald)				Opponent Mukwevho, R (Reginald)
2	1	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-12	rnd 2	type Standard	result 1	date 2018-09-12	rnd 2	type Standard	result 1
		Opponent Mncwabe, B (Bojas)				Opponent Mncwabe, B (Bojas)

#	Games	Start				End
1	1	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-13	rnd 4	type Standard	result 1	date 2018-09-13	rnd 4	type Standard	result 1
		Opponent Mukwevho, R (Reginald)				Opponent Mukwevho, R (Reginald)
2	1	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-12	rnd 2	type Standard	result 1	date 2018-09-12	rnd 2	type Standard	result 1
		Opponent Mncwabe, B (Bojas)				Opponent Mncwabe, B (Bojas)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-13	rnd 4	type Standard	result 1	date 2018-09-13	rnd 4	type Standard	result 1
		Opponent Mukwevho, R (Reginald)				Opponent Mukwevho, R (Reginald)
2	1	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-12	rnd 2	type Standard	result 1	date 2018-09-12	rnd 2	type Standard	result 1
		Opponent Mncwabe, B (Bojas)				Opponent Mncwabe, B (Bojas)

#	Games	Start				End
1	1	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-13	rnd 4	type Standard	result 1	date 2018-09-13	rnd 4	type Standard	result 1
		Opponent Mukwevho, R (Reginald)				Opponent Mukwevho, R (Reginald)
2	1	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-12	rnd 2	type Standard	result 1	date 2018-09-12	rnd 2	type Standard	result 1
		Opponent Mncwabe, B (Bojas)				Opponent Mncwabe, B (Bojas)

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	Mukwevho ,R (Reginald)	2	1	0	2	1	0	0	0	0	0	0	0
1	Mukwevho ,R (Reginald)	2	1200	1200	2	1200	1200	0	0	0	0	0	0
2	Phindani ,S (Simon)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Phindani ,S (Simon)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Christian ,D (D)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Christian ,D (D)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Valashia ,IH (Itumeleng)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Valashia ,IH (Itumeleng)	1	1559.9	1134.9	1	1563.7	1134.9	0	0	0	0	0	0
5	Lekgetho ,I (Itumeleng)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Lekgetho ,I (Itumeleng)	1	500	75	1	500	75	0	0	0	0	0	0
6	Vermeulen ,EJ (Ernestus Jacobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Vermeulen ,EJ (Ernestus Jacobus)	1	1506	1081	1	1497.9	1081	0	0	0	0	0	0
7	Bosoga ,T (Tf)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Bosoga ,T (Tf)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Ramoshaba ,T (Tl)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ramoshaba ,T (Tl)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Mathebula ,NV (Nghilazi Victor)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mathebula ,NV (Nghilazi Victor)	1	1404	979	1	1404	979	0	0	0	0	0	0
10	Ntoana ,M (Mm)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ntoana ,M (Mm)	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

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PLAYER PAGE

Personal

Van Der Merwe, T (Tiaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms