Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, A (Alan)

Chess SA id

111093187

FIDE id

Date of birth

2011-03-22 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1105.1	1090.8	1197.6	1200
Raw rating	1105.1	1090.8	1197.6	1200
Weighted rating	1105.1	1090.8	1197.6	1200
Weighted performance	239.2	229.2	0	0
Floor	710.5	708.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	189.8	193.7	166.4	165.8
Highest rating	1223.6 2018-12-01	1222.1 2018-12-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1210.5 2019-01-01	1208.9 2019-01-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1210.5 2024-11-01	1208.9 2024-11-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1223.6 2018-12-01	1222.1 2018-12-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1105.1	1090.8	1197.6	1200
Analysis
Rating	1105.1	1090.8	1197.6	1200
Raw rating	1105.1	1090.8	1197.6	1200
Weighted rating	1105.1	1090.8	1197.6
Weighted performance	239.2	229.2	0
K-factor	36	36	36	36
Floor	710.5	708.9	700	700
Max/Min rating change allowed	189.8	193.7	166.4	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	1105.1	1090.8	1197.6	1200
New weighted rating	1105.1	1090.8	1197.6	1200
New weighted performance	238.9	228.8	0	0
Temp new rating	1105.1	1090.8	1197.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1105.1	1090.8	1197.6	1200
New K-factor	36	36	36	36
New floor	710.5	708.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	76	71	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	71	29.5	41.55	-71.8	1139.5	1067.6
Standard	66	27	40.91	-77.3	1139.1	1061.9
Rapid	5	2.5	50	0	1144	1144
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1105.1	1090.8	1197.6	1200
2025-09-01	1105.1	1090.8	1197.6	1200
2025-08-01	1105.1	1090.8	1197.6	1200
2025-07-01	1105.1	1090.8	1197.6	1200
2025-06-01	1105.1	1090.8	1197.6	1200
2025-05-01	1105.1	1090.8	1197.6	1200
2025-04-01	1105.1	1090.8	1197.6	1200
2025-03-01	1105.1	1090.8	1197.6	1200
2025-02-01	1105.1	1090.8	1197.6	1200
2025-01-01	1105.1	1090.8	1197.6	1200
2024-12-01	1105.1	1090.8	1197.6	1200
2024-11-01	1105.1	1090.8	1197.6	1200
2024-10-01	1105.1	1090.8	1197.6	1200
2024-09-01	1105.1	1090.8	1197.6	1200
2024-08-01	1105.1	1090.8	1197.6	1200
2024-07-01	1105.1	1090.8	1197.6	1200
2024-06-01	1105.1	1090.8	1197.6	1200
2024-08-01	1105.1	1090.8	1197.6	1200
2024-04-01	1105.1	1090.8	1197.6	1200
2024-03-01	1105.1	1090.8	1197.6	1200
2024-02-01	1105.1	1090.8	1197.6	1200
2024-01-01	1105.1	1090.8	1197.6	1200
2023-12-01	1105.1	1090.8	1197.6	1200
2023-11-01	1105.1	1090.8	1197.6	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	2020 Constantiapark Open Chess Tournament (E)	2020-02-08	2020-02-08	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	2019 Lubowski Open Tournament (D)	2019-05-11	2019-05-12	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2019 D4 Individual Finals (U9 Mixed)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2019 Constantia Park Open (C)	2019-02-09	2019-02-09	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
6	2019 Tshwane Chess Registration Tournament (E)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2018 Tshwane Inter Region (U8B)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
8	South African Junior Team Championships 2018 (U8A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
9	2018 Etienne Lewis Trials (U8 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	7	2	Yes	Analysis
10	2018 Alekhine Open (E)	2018-08-11	2018-08-11	Standard	Tshwane (GTP)	5	4	2.5	Yes	Analysis
11	2018 Menlo Open Chess Tournament (E)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	4	4	Yes	Analysis
12	2018 Crawford Open (E)	2018-03-24	2018-03-24	Standard	Tshwane (GTP)	5	1	0	Yes	Analysis
13	2018 Constantia Park Open (F)	2018-02-10	2018-02-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
14	2018 Blou Bul Open (E)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
15	2018 Tshwane Registration Open Chess Tournament (E)	2018-01-27	2018-01-27	Standard	Tshwane (GTP)	5	5	0.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Alekhine Open
		date 2018-07-21	rnd 1	type Standard	result 1	date 2018-08-11	rnd 3	type Standard	result 1
		Opponent Senekal, W (William)				Opponent Van Niekerk, J (Johan)
2	3	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Steyn, A (Annika)				Opponent Van Der Merwe, C (Christiaan)
3	3	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Swart, R (Runay)				Opponent Jugree, A (Abhay)

#	Games	Start				End
1	7	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Alekhine Open
		date 2018-07-21	rnd 1	type Standard	result 1	date 2018-08-11	rnd 3	type Standard	result 1
		Opponent Senekal, W (William)				Opponent Van Niekerk, J (Johan)
2	3	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Swart, R (Runay)				Opponent Jugree, A (Abhay)
3	2	Tournament 2020 Constantiapark Open Chess Tournament				Tournament 2020 Constantiapark Open Chess Tournament
		date 2020-02-08	rnd 1	type Standard	result 1	date 2020-02-08	rnd 2	type Standard	result 1
		Opponent Brookshaw, WJ (Walter James)				Opponent Kruger, J (Jason)

#	Games	Start				End
1	3	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Steyn, A (Annika)				Opponent Van Der Merwe, C (Christiaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Menlo Open Chess Tournament
		date 2018-07-21	rnd 1	type Standard	result 1	date 2018-07-21	rnd 4	type Standard	result 1
		Opponent Senekal, W (William)				Opponent Fourie, N (Nine Mari)
2	3	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Swart, R (Runay)				Opponent Jugree, A (Abhay)
3	2	Tournament 2020 Constantiapark Open Chess Tournament				Tournament 2020 Constantiapark Open Chess Tournament
		date 2020-02-08	rnd 1	type Standard	result 1	date 2020-02-08	rnd 2	type Standard	result 1
		Opponent Brookshaw, WJ (Walter James)				Opponent Kruger, J (Jason)

#	Games	Start				End
1	4	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Menlo Open Chess Tournament
		date 2018-07-21	rnd 1	type Standard	result 1	date 2018-07-21	rnd 4	type Standard	result 1
		Opponent Senekal, W (William)				Opponent Fourie, N (Nine Mari)
2	3	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Swart, R (Runay)				Opponent Jugree, A (Abhay)
3	2	Tournament 2020 Constantiapark Open Chess Tournament				Tournament 2020 Constantiapark Open Chess Tournament
		date 2020-02-08	rnd 1	type Standard	result 1	date 2020-02-08	rnd 2	type Standard	result 1
		Opponent Brookshaw, WJ (Walter James)				Opponent Kruger, J (Jason)

#	Games	Start				End
1	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 3	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Van Der Merwe, C (Christiaan)				Opponent Van Der Merwe, C (Christiaan)
2	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 1	type Rapid	result 1
		Opponent Steyn, A (Annika)				Opponent Steyn, A (Annika)

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	Senekal ,W (William)	2	2	425	2	2	425	0	0	0	0	0	0
1	Senekal ,W (William)	2	532.7	957.7	2	539.4	957.7	0	0	0	0	0	0
2	Lombard ,EO (Emmeline Olivia)	2	2	425	2	2	425	0	0	0	0	0	0
2	Lombard ,EO (Emmeline Olivia)	2	1161.3	1586.3	2	1152.2	1586.3	0	0	0	0	0	0
3	Schwim ,X (Xander)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Schwim ,X (Xander)	2	1422.3	997.3	2	1425.3	997.3	0	0	0	0	0	0
4	Tennant ,N (Nathan)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Tennant ,N (Nathan)	2	1267.2	842.2	2	1260.2	842.2	0	0	0	0	0	0
5	Yang ,JD (Daniel)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Yang ,JD (Daniel)	2	1249.2	824.2	2	1253.5	824.2	0	0	0	0	0	0
6	Matla ,K (Kemuel)	2	1	0	2	1	0	0	0	0	0	0	0
6	Matla ,K (Kemuel)	2	1157.5	1157.5	2	1145.3	1157.5	0	0	0	0	0	0
7	Van Niekerk ,J (Johan)	2	2	425	2	2	425	0	0	0	0	0	0
7	Van Niekerk ,J (Johan)	2	1193.6	1618.6	2	1190.8	1618.6	0	0	0	0	0	0
8	Klopper ,PA (Phillippus Arnoldus)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Klopper ,PA (Phillippus Arnoldus)	2	1194.6	982.1	2	1192.8	982.1	0	0	0	0	0	0
9	Edwards ,I (Israel)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Edwards ,I (Israel)	1	1216.2	791.2	1	1184	791.2	0	0	0	0	0	0
10	Swanepoel ,R (Rainer)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Swanepoel ,R (Rainer)	1	1065.3	640.3	1	1056.6	640.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Der Merwe, A (Alan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms