Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vermaak, R (Ruben)

Chess SA id

1120140148

FIDE id

Date of birth

2012-09-20 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

27.5

Junior GPX Points

1170.6

Item	Main	Standard	Rapid	Blitz
Rating	1254.2	1257.8	1199.7	1200
Raw rating	1244.8	1247.3	1199.7	1200
Weighted rating	1254.2	1257.8	1199.6	1200
Weighted performance	1100.5	1138.2	0	0
Floor	789	789.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	155.6	155	165.9	165.8
Highest rating	1289 2025-01-01	1289.6 2025-01-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1289 2025-01-01	1289.6 2025-01-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1289 2025-05-05	1289.6 2025-05-05	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1281.7 2025-01-01	1281.7 2025-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.3	-0.3	0	0
New rating	1253.9	1257.5	1199.7	1200
Analysis
Rating	1254.2	1257.8	1199.7	1200
Raw rating	1244.8	1247.3	1199.7	1200
Weighted rating	1254.2	1257.8	1199.6
Weighted performance	1100.5	1138.2	0
K-factor	36	36	36	36
Floor	789	789.6	700	700
Max/Min rating change allowed	155.6	155	165.9	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	1244.8	1247.3	1199.7	1200
New weighted rating	1253.9	1257.5	1199.6	1200
New weighted performance	1093.7	1131.1	0	0
Temp new rating	1253.9	1257.5	1199.7	1200
Temp new rating +/-	-0.3	-0.3	0	0
Final new rating +/-	-0.3	-0.3	0	0
New rating	1253.9	1257.5	1199.7	1200
New K-factor	36	36	36	36
New floor	789	789.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	25	20	5
	34	34	0
	15	15	0
	9	9	0
	0	0	0
History	83	78	5

Games since
	Main 59	Standard 54		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3679		1214		203
Male	2816		925		146
U14	702		231		36
U14 Male	501		158		24
Standard
	RSA		Province		Region
Overall	3569		1282		183
Male	2744		990		137
U14	682		241		32
U14 Male	479		167		23
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	25	10	40	-85	1245.2	1160.2
Standard	20	9	45	-42.5	1233	1190.5
Rapid	5	1	20	-255	1294	1039
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	83	39	46.99	-25.6	1251.2	1225.6
Standard	78	38	48.72	-10.9	1248.4	1237.5
Rapid	5	1	20	-255	1294	1039
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1244.8	1247.3	1199.7	1200
2025-09-30	1244.8	1247.3	1199.7	1200
2025-09-01	1244.8	1247.3	1199.7	1200
2025-08-01	1254.5	1258.2	1199.7	1200
2025-07-01	1253.4	1257.1	1199.7	1200
2025-06-01	1249.7	1253.4	1199.5	1200
2025-05-01	1255.8	1286.2	1196.6	1200
2025-04-01	1286.6	1286.2	1200	1200
2025-03-01	1289	1289.6	1200	1200
2025-02-01	1289	1289.6	1200	1200
2025-01-01	1289	1289.6	1200	1200
2024-12-01	1252.7	1256.8	1200	1200
2024-11-01	1252.7	1256.8	1200	1200
2024-10-01	1252.7	1256.8	1200	1200
2024-09-01	1246.7	1249.2	1200	1200
2024-08-01	1246.7	1249.2	1200	1200
2024-07-01	1214.1	1210.3	1200	1200
2024-09-01	1214.1	1210.3	1200	1200
2024-05-01	1198	1190.1	1200	1200
2024-04-01	1230.3	1228.3	1200	1200
2024-03-01	1230.3	1228.3	1200	1200
2024-02-01	1267.4	1275.5	1200	1200
2024-01-01	1224.4	1229.8	1200	1200
2023-12-01	1224.4	1229.8	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	Ekurhuleni Trials 2025 (E)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Ekurhuleni Trials 2025 (E)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	CPH May 2025 (C)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
4	Chess Molecules Open Tournament 2025 (C)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
5	AHS Open Chess Tournament 2025 (D)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni Trials 2025 (E)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Ekurhuleni Trials 2025 (E)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	CPH May 2025 (C)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
4	Chess Molecules Open Tournament 2025 (C)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
5	AHS Open Chess Tournament 2025 (D)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	Gauteng Inter-Region at UJ 2024 (U14 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	Ekurhuleni Closed 2024 (U14)	2024-09-21	2024-09-21	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
8	Ekurhuleni Trails 2 2024 (U14)	2024-07-27	2024-07-27	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
9	2024 Mid Gauteng Open Chess Tournament (U14)	2024-05-02	2024-05-02	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	Ekurhuleni Open 2024 (D)	2024-04-06	2024-04-06	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
11	2024 Constantiapark Open (D2)	2024-02-17	2024-02-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
12	2024 Gauteng Inter-Region Chess Championship (U12B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
13	Ekurhuleni Chess Spring Tournament 2023 (D)	2023-09-23	2023-09-23	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
14	Ekurhuleni Chess Trial 3 2023 (U12)	2023-06-17	2023-06-17	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
15	Ekhuruleni Chess Trials 1 2023 (U12)	2023-03-25	2023-03-25	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
16	Ekurhuleni Trials 2 2022 (U12)	2022-05-28	2022-05-28	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
17	Ekurhuleni Trials 1 2022 (U12)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament AHS Open Chess Tournament 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Van Wyngaard, G (George)				Opponent Van Der Walt, L (Ludwig)
2	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 2	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent Reddy, M (Matthew)				Opponent Deng, J (Jinyuan)
3	3	Tournament Ekurhuleni Closed 2024				Tournament Ekurhuleni Closed 2024
		date 2024-09-21	rnd 2	type Standard	result 1	date 2024-09-21	rnd 4	type Standard	result 0.5
		Opponent Voogt, A (Arno)				Opponent Tang, K (Kevin)

#	Games	Start				End
1	4	Tournament AHS Open Chess Tournament 2025				Tournament CPH May 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-05-03	rnd 1	type Standard	result 1
		Opponent Van Wyngaard, G (George)				Opponent Janse Van Vuuren, E (Estiaan)
2	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 2	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent Reddy, M (Matthew)				Opponent Deng, J (Jinyuan)
3	3	Tournament Ekurhuleni Closed 2024				Tournament Ekurhuleni Closed 2024
		date 2024-09-21	rnd 2	type Standard	result 1	date 2024-09-21	rnd 4	type Standard	result 0.5
		Opponent Voogt, A (Arno)				Opponent Tang, K (Kevin)

#	Games	Start				End
1	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 2	type Rapid	result 1	date 2025-04-19	rnd 2	type Rapid	result 1
		Opponent Monaheng, K (Kutlwano)				Opponent Monaheng, K (Kutlwano)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament AHS Open Chess Tournament 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Van Wyngaard, G (George)				Opponent Van Der Walt, L (Ludwig)
2	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 2	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent Reddy, M (Matthew)				Opponent Deng, J (Jinyuan)
3	3	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 4	type Standard	result 1
		Opponent Snyman, J (Jacques)				Opponent De Jager, K (Kobus)

#	Games	Start				End
1	4	Tournament AHS Open Chess Tournament 2025				Tournament CPH May 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-05-03	rnd 1	type Standard	result 1
		Opponent Van Wyngaard, G (George)				Opponent Janse Van Vuuren, E (Estiaan)
2	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 2	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent Reddy, M (Matthew)				Opponent Deng, J (Jinyuan)
3	3	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 4	type Standard	result 1
		Opponent Snyman, J (Jacques)				Opponent De Jager, K (Kobus)

#	Games	Start				End
1	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 2	type Rapid	result 1	date 2025-04-19	rnd 2	type Rapid	result 1
		Opponent Monaheng, K (Kutlwano)				Opponent Monaheng, K (Kutlwano)

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	Janse Van Vuuren ,E (Estiaan)	2	2	425	2	2	425	0	0	0	0	0	0
1	Janse Van Vuuren ,E (Estiaan)	2	990.9	1415.9	2	958.4	1415.9	0	0	0	0	0	0
2	Buitendag ,D (Darius)	2	1	0	2	1	0	0	0	0	0	0	0
2	Buitendag ,D (Darius)	2	1376.7	1376.7	2	1366.8	1376.7	0	0	0	0	0	0
3	Aucamp ,A (Alexander Nicolai)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Aucamp ,A (Alexander Nicolai)	2	1216.2	791.2	2	1217.5	791.2	0	0	0	0	0	0
4	Voogt ,A (Arno)	2	2	425	2	2	425	0	0	0	0	0	0
4	Voogt ,A (Arno)	2	1195.9	1620.9	2	1195.7	1620.9	0	0	0	0	0	0
5	Chen ,Y (Yuqi)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Chen ,Y (Yuqi)	2	1377.7	952.7	2	1373.7	952.7	0	0	0	0	0	0
6	Waring ,C (Caydence)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Waring ,C (Caydence)	2	1442.7	1017.7	2	1425.1	1017.7	0	0	0	0	0	0
7	Hsu ,R (Rachael)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Hsu ,R (Rachael)	1	1228.6	803.6	1	1231	803.6	0	0	0	0	0	0
8	Tema ,O (Ofana)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Tema ,O (Ofana)	1	1556.3	1131.3	1	1546.8	1131.3	0	0	0	0	0	0
9	Chisango ,R (Ryan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Chisango ,R (Ryan)	1	1183	1608	1	1193.5	1608	0	0	0	0	0	0
10	Kheswa ,S (Spholami)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Kheswa ,S (Spholami)	1	1249.8	824.8	1	1254.8	824.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Vermaak, R (Ruben)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms