Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, D (Darin)

Chess SA id

1130303508

FIDE id

Date of birth

2013-04-16 (U14)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1112.3

Item	Main	Standard	Rapid	Blitz
Rating	1184.3	1181.8	1200	1200
Raw rating	1176.4	1172.1	1200	1200
Weighted rating	1184.3	1181.8	1200	1200
Weighted performance	1101.7	1098.8	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	171.5	172.5	165.8	165.8
Highest rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.7	-0.9	0	0
New rating	1183.6	1181	1200	1200
Analysis
Rating	1184.3	1181.8	1200	1200
Raw rating	1176.4	1172.1	1200	1200
Weighted rating	1184.3	1181.8	1200
Weighted performance	1101.7	1098.8	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	171.5	172.5	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	1176.4	1172.1	1200	1200
New weighted rating	1183.6	1181	1200	1200
New weighted performance	1095	1092.2	0	0
Temp new rating	1183.6	1181	1200	1200
Temp new rating +/-	-0.7	-0.9	0	0
Final new rating +/-	-0.7	-0.9	0	0
New rating	1183.6	1181	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	35	35
	14	14
	0	0
	0	0
	0	0
History	49	49

Games since
	Main 49	Standard 49		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	4223		538		186
Male	3134		415		138
U14	831		115		45
U14 Male	574		87		37
Standard
	RSA		Province		Region
Overall	4201		565		204
Male	3116		433		153
U14	828		124		48
U14 Male	566		92		38
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	35	11.5	32.86	-145.7	1256.8	1111.1
Standard	35	11.5	32.86	-145.7	1256.8	1111.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	49	18	36.73	-112.8	1230.5	1117.8
Standard	49	18	36.73	-112.8	1230.5	1117.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1176.4	1172.1	1200	1200
2025-09-30	1197.3	1196.9	1200	1200
2025-09-01	1197.3	1196.9	1200	1200
2025-08-01	1190.5	1189.2	1200	1200
2025-07-01	1190.5	1189.2	1200	1200
2025-06-01	1181.2	1178.1	1200	1200
2025-05-01	1179.1	1175.6	1200	1200
2025-04-01	1183.2	1180.6	1200	1200
2025-03-01	1184.7	1182.4	1200	1200
2025-02-01	1184.7	1182.4	1200	1200
2025-01-01	1180.4	1178	1200	1200
2024-12-01	1180.4	1178	1200	1200
2024-11-01	1180.4	1178	1200	1200
2024-10-01	1180.4	1178	1200	1200
2024-09-01	1180.4	1178	1200	1200
2024-08-01	1160.8	1153.2	1200	1200
2024-07-01	1160.8	1153.2	1200	1200
2024-09-01	1157.5	1149.6	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	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	Chess Vikings Trials 2 2025 (C)	2025-10-18	2025-10-18	Standard	Buffalo City (EBC)	5	5	1	Yes	Analysis
2	3rd Chess Vikings Open Championship 2025 (C)	2025-08-02	2025-08-02	Standard	Buffalo City (EBC)	6	6	3	Yes	Analysis
3	2nd Vikings Classical 2025 (C)	2025-05-24	2025-05-24	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
4	2025 Buffalo City Chess Trials 3 (U14)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis
5	2025 Buffalo City Chess Trials 2 (U14)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	5	1.5	Yes	Analysis
6	2025 Buffalo City Chess Trials 1 (U14)	2025-03-22	2025-03-22	Standard	Buffalo City (EBC)	5	5	1	Yes	Analysis
7	Vikings Classical March 2025 (U14)	2025-03-15	2025-03-15	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Vikings Trials 2 2025 (C)	2025-10-18	2025-10-18	Standard	Buffalo City (EBC)	5	5	1	Yes	Analysis
2	3rd Chess Vikings Open Championship 2025 (C)	2025-08-02	2025-08-02	Standard	Buffalo City (EBC)	6	6	3	Yes	Analysis
3	2nd Vikings Classical 2025 (C)	2025-05-24	2025-05-24	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
4	2025 Buffalo City Chess Trials 3 (U14)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis
5	2025 Buffalo City Chess Trials 2 (U14)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	5	1.5	Yes	Analysis
6	2025 Buffalo City Chess Trials 1 (U14)	2025-03-22	2025-03-22	Standard	Buffalo City (EBC)	5	5	1	Yes	Analysis
7	Vikings Classical March 2025 (U14)	2025-03-15	2025-03-15	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
8	5th BC Trails 2024 (U12B)	2024-08-17	2024-08-17	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
9	4th BC Trials 2024 (U12B)	2024-06-08	2024-06-08	Standard	Buffalo City (EBC)	5	5	2.5	Yes	Analysis
10	3rd BC Trials 2024 (U12B)	2024-05-11	2024-05-11	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Vikings Classical March 2025				Tournament Vikings Classical March 2025
		date 2025-03-15	rnd 3	type Standard	result 0.5	date 2025-03-15	rnd 5	type Standard	result 0.5
		Opponent Mgweba, L (Luphawu)				Opponent Majiza, I (Isandisele)
2	2	Tournament 3rd Chess Vikings Open Championship 2025				Tournament 3rd Chess Vikings Open Championship 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent Mabukazi, O (Okwenathi)				Opponent Matyila, S (Sisonge-Sisonke)
3	2	Tournament 2025 Buffalo City Chess Trials 2				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-04-12	rnd 4	type Standard	result 0.5	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Mapasa, L (Luniko)				Opponent Ncapayi, Z (Zazi)

#	Games	Start				End
1	3	Tournament Vikings Classical March 2025				Tournament Vikings Classical March 2025
		date 2025-03-15	rnd 3	type Standard	result 0.5	date 2025-03-15	rnd 5	type Standard	result 0.5
		Opponent Mgweba, L (Luphawu)				Opponent Majiza, I (Isandisele)
2	2	Tournament 3rd Chess Vikings Open Championship 2025				Tournament 3rd Chess Vikings Open Championship 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent Mabukazi, O (Okwenathi)				Opponent Matyila, S (Sisonge-Sisonke)
3	2	Tournament 2025 Buffalo City Chess Trials 2				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-04-12	rnd 4	type Standard	result 0.5	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Mapasa, L (Luniko)				Opponent Ncapayi, Z (Zazi)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 3rd Chess Vikings Open Championship 2025				Tournament 3rd Chess Vikings Open Championship 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent Mabukazi, O (Okwenathi)				Opponent Matyila, S (Sisonge-Sisonke)
2	2	Tournament 4th BC Trials 2024				Tournament 5th BC Trails 2024
		date 2024-06-08	rnd 5	type Standard	result 1	date 2024-08-17	rnd 1	type Standard	result 1
		Opponent Mantanga, A (Asenathi)				Opponent Msingatha, J (Jolyn)
3	1	Tournament 3rd Chess Vikings Open Championship 2025				Tournament 3rd Chess Vikings Open Championship 2025
		date 2025-08-02	rnd 6	type Standard	result 1	date 2025-08-02	rnd 6	type Standard	result 1
		Opponent Mgweba, L (Luphawu)				Opponent Mgweba, L (Luphawu)

#	Games	Start				End
1	2	Tournament 3rd Chess Vikings Open Championship 2025				Tournament 3rd Chess Vikings Open Championship 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent Mabukazi, O (Okwenathi)				Opponent Matyila, S (Sisonge-Sisonke)
2	2	Tournament 4th BC Trials 2024				Tournament 5th BC Trails 2024
		date 2024-06-08	rnd 5	type Standard	result 1	date 2024-08-17	rnd 1	type Standard	result 1
		Opponent Mantanga, A (Asenathi)				Opponent Msingatha, J (Jolyn)
3	1	Tournament 3rd Chess Vikings Open Championship 2025				Tournament 3rd Chess Vikings Open Championship 2025
		date 2025-08-02	rnd 6	type Standard	result 1	date 2025-08-02	rnd 6	type Standard	result 1
		Opponent Mgweba, L (Luphawu)				Opponent Mgweba, L (Luphawu)

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	Matyila ,S (Sisonge-Sisonke)	2	1	0	2	1	0	0	0	0	0	0	0
1	Matyila ,S (Sisonge-Sisonke)	2	1151.2	1151.2	2	1130.2	1151.2	0	0	0	0	0	0
2	Majiza ,I (Isandisele)	2	1	0	2	1	0	0	0	0	0	0	0
2	Majiza ,I (Isandisele)	2	1156.9	1156.9	2	1152.4	1156.9	0	0	0	0	0	0
3	Mgweba ,L (Luphawu)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
3	Mgweba ,L (Luphawu)	2	1153.4	1365.9	2	1145.1	1365.9	0	0	0	0	0	0
4	Mashiyi ,M (Moyomhle)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Mashiyi ,M (Moyomhle)	2	1152.6	727.6	2	1147.2	727.6	0	0	0	0	0	0
5	Segopolo ,L (Lethabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Segopolo ,L (Lethabo)	1	1202.1	777.1	1	1201.3	777.1	0	0	0	0	0	0
6	Basson ,Z (Zachary)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Basson ,Z (Zachary)	1	1243.1	818.1	1	1242.6	818.1	0	0	0	0	0	0
7	Mnyaka ,I (Isiphile)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mnyaka ,I (Isiphile)	1	1204.1	779.1	1	1207	779.1	0	0	0	0	0	0
8	Dayimani ,N (Ngcali)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Dayimani ,N (Ngcali)	1	1198.7	773.7	1	1198.4	773.7	0	0	0	0	0	0
9	Kwelani ,A (Amvuyele)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kwelani ,A (Amvuyele)	1	1324.6	899.6	1	1318.3	899.6	0	0	0	0	0	0
10	Kapp ,M (Michael)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Kapp ,M (Michael)	1	1601	1176	1	1588	1176	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Der Merwe, D (Darin)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms