Chess South Africa Ratings Database

PLAYER PAGE

Personal

Schraader, R (Ruben)

Chess SA id

1130152299

FIDE id

Date of birth

2013-09-12 (U14)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1201.5

Item	Main	Standard	Rapid	Blitz
Rating	1257	1204.9	1282.9	1200
Raw rating	1257	1204.9	1282.9	1200
Weighted rating	1250.4	1197.5	1268.4	1200
Weighted performance	1150	0	0	0
Floor	770.3	712.7	782.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.9	164.7	147.3	165.8
Highest rating	1270.3 2025-04-01	1212.7 2025-04-01	1630 2023-03-01	1200 2018-10-01
Highest raw rating	1270.3 2025-04-01	1212.7 2025-04-01	1282.9 2025-03-01	1200 2024-03-01
Highest weighted rating	1246.8 2025-09-01	1212.7 2018-10-01	1262.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1240.5 2023-03-01	1200 2019-12-01	1630 2023-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1257	1204.9	1282.9	1200
Analysis
Rating	1257	1204.9	1282.9	1200
Raw rating	1257	1204.9	1282.9	1200
Weighted rating	1250.4	1197.5	1268.4
Weighted performance	1150	0	0
K-factor	36	36	36	36
Floor	770.3	712.7	782.9	700
Max/Min rating change allowed	152.9	164.7	147.3	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	1257	1204.9	1282.9	1200
New weighted rating	1251.9	1198.6	1270.2	1200
New weighted performance	1142.7	0	0	0
Temp new rating	1257	1204.9	1282.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1257	1204.9	1282.9	1200
New K-factor	36	36	36	36
New floor	770.3	712.7	782.9	700

Item	Main	Standard	Rapid
	0	0	0
	16	10	6
	16	5	11
	7	5	2
	0	0	0
	0	0	0
History	39	20	19

Games since
	Main 32	Standard 15		Rapid 17		Blitz 0
Gender	Male
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
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	16	8.5	53.12	26.6	1282.9	1309.4
Standard	10	5	50	0	1260.8	1260.8
Rapid	6	3.5	58.33	70.8	1319.6	1390.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	39	21	53.85	32.7	1252.2	1284.8
Standard	20	9.5	47.5	-21.2	1228.2	1207
Rapid	19	11.5	60.53	89.5	1277.3	1366.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1257	1204.9	1282.9	1200
2025-09-30	1257	1204.9	1282.9	1200
2025-09-01	1257	1204.9	1282.9	1200
2025-08-01	1270.3	1212.7	1282.9	1200
2025-07-01	1270.3	1212.7	1282.9	1200
2025-06-01	1270.3	1212.7	1282.9	1200
2025-05-01	1270.3	1212.7	1282.9	1200
2025-04-01	1270.3	1212.7	1282.9	1200
2025-03-01	1258.1	1184	1282.9	1200
2025-02-01	1234.3	1184	1245.5	1200
2025-01-01	1234.3	1184	1243.9	1200
2024-12-01	1234.3	1184	1243.9	1200
2024-11-01	1234.3	1184	1243.9	1200
2024-10-01	1234.3	1184	1243.9	1200
2024-09-01	1234.3	1184	1243.9	1200
2024-08-01	1234.3	1184	1243.9	1200
2024-07-01	1234.3	1184	1243.9	1200
2024-09-01	1225.5	1184	1262.3	1200
2024-05-01	1225.5	1184	1262.3	1200
2024-04-01	1225.5	1184	1262.3	1200
2024-03-01	1196.8	1172.4	1240	1200
2024-02-01	1196.8	1172.4	1240	1200
2024-01-01	1196.8	1172.4	1240	1200
2023-12-01	1196.8	1172.4	1240	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	Overberg Top Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
3	Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Top Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
3	Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
4	Western Cape - Brian Raubenheimer Development Tournament 2024 (U11 Boys)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
5	Overberg Schools - PS Closed 2024 (U11 Boys)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
6	Overberg Schools - PS Trials Region 3 2024 (U11 Boys)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
7	Overberg School Chess Closed Tournament 2023 (U11 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
8	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	2	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2024-06-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Titus, T (Teehean)				Opponent Uys, E (Eli)
2	3	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Top Schools 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Sebyboe, J (Jo-Heiden)				Opponent Mullins, C (Charlotte)
3	3	Tournament Overberg School Chess Closed Tournament 2023				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2023-03-25	rnd 5	type Standard	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Koppies, A (Adrian)				Opponent Avenant, E (Ethan)

#	Games	Start				End
1	3	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Top Schools 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Sebyboe, J (Jo-Heiden)				Opponent Mullins, C (Charlotte)
2	3	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2025
		date 2024-03-16	rnd 4	type Standard	result 0.5	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Swart, W (Wehan)				Opponent Carroll, R (Riley James)
3	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent Muller, H (Hugo)				Opponent Muller, H (Hugo)

#	Games	Start				End
1	5	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2024-06-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Titus, T (Teehean)				Opponent Uys, E (Eli)
2	4	Tournament Overberg Primary School Trials				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2023-03-10	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Dreyer, J (Javandre)				Opponent Avenant, E (Ethan)
3	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Muller, A (Andreas)				Opponent Muller, A (Andreas)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Top Schools 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Sebyboe, J (Jo-Heiden)				Opponent Mullins, C (Charlotte)
2	3	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2024-06-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Titus, T (Teehean)				Opponent Bezuidenhout, M (Millekyle)
3	3	Tournament Overberg School Chess Closed Tournament 2023				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2023-03-25	rnd 5	type Standard	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Koppies, A (Adrian)				Opponent Avenant, E (Ethan)

#	Games	Start				End
1	3	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Top Schools 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Sebyboe, J (Jo-Heiden)				Opponent Mullins, C (Charlotte)
2	2	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2025
		date 2024-03-16	rnd 5	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Booysen, J (Joseph)				Opponent Carroll, R (Riley James)
3	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent Muller, H (Hugo)				Opponent Muller, H (Hugo)

#	Games	Start				End
1	4	Tournament Overberg Primary School Trials				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2023-03-10	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Dreyer, J (Javandre)				Opponent Avenant, E (Ethan)
2	3	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2024-06-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Titus, T (Teehean)				Opponent Bezuidenhout, M (Millekyle)
3	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Muller, A (Andreas)				Opponent Muller, A (Andreas)

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	Van Der Walt ,T (Tristan)	3	0	-425	2	0	-425	1	0	-425	0	0	0
1	Van Der Walt ,T (Tristan)	3	1426.7	1001.7	2	1426.5	1001.7	1	1297.2	1001.7	0	0	0
2	Henning ,N (Nicolas)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Henning ,N (Nicolas)	2	1275.6	850.6	2	1237.7	850.6	0	0	0	0	0	0
3	Du Preez ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Du Preez ,C (Christiaan)	1	1244.7	819.7	1	1209.4	819.7	0	0	0	0	0	0
4	Mullins ,C (Charlotte)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mullins ,C (Charlotte)	1	1138.7	1563.7	1	1116.8	1563.7	0	0	0	0	0	0
5	Maharaj ,S (Sanshrey Kumar)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Maharaj ,S (Sanshrey Kumar)	1	1199.1	774.1	1	1200	774.1	0	0	0	0	0	0
6	Otto ,T (Taylor)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Otto ,T (Taylor)	1	1190.5	765.5	1	1151.6	765.5	0	0	0	0	0	0
7	Van Rooyen ,J (Janco)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Rooyen ,J (Janco)	1	1161.5	736.5	1	1152.4	736.5	0	0	0	0	0	0
8	Muller ,H (Hugo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Muller ,H (Hugo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Prins ,C (Christiaan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Prins ,C (Christiaan)	1	1202.6	1627.6	1	1184.6	1627.6	0	0	0	0	0	0
10	Swart ,W (Wehan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Swart ,W (Wehan)	1	1176	1176	1	1200	1176	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

Schraader, 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