Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kramer, R (Ruben)

Chess SA id

1140151163

FIDE id

Date of birth

2014-04-22 (U12)

Gender

Male

Region

Chess South Africa (CSA)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1226.8	1201.2	1255	1200
Raw rating	1226.8	1201.2	1255	1200
Weighted rating	1218.5	1188.8	1254.1	1200
Weighted performance	973.1	0	0	0
Floor	750.2	701.2	787.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.6	165.5	153.3	165.8
Highest rating	1294.8 2023-02-01	1201.2 2025-04-01	1372 2023-02-01	1200 2018-10-01
Highest raw rating	1250.2 2024-02-01	1201.2 2025-04-01	1287.9 2024-02-01	1200 2024-02-01
Highest weighted rating	1250.2 2024-02-01	1201.2 2018-10-01	1287.9 2025-05-05	1200 2018-10-01
Highest weighted performance	1294.8 2023-02-01	1200 2020-01-01	1372 2023-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1226.8	1201.2	1255	1200
Analysis
Rating	1226.8	1201.2	1255	1200
Raw rating	1226.8	1201.2	1255	1200
Weighted rating	1218.5	1188.8	1254.1
Weighted performance	973.1	0	0
K-factor	36	36	36	36
Floor	750.2	701.2	787.9	700
Max/Min rating change allowed	159.6	165.5	153.3	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	1226.8	1201.2	1255	1200
New weighted rating	1219.2	1190.1	1254	1200
New weighted performance	966.1	0	0	0
Temp new rating	1226.8	1201.2	1255	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1226.8	1201.2	1255	1200
New K-factor	36	36	36	36
New floor	750.2	701.2	787.9	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	9	4	5
	11	0	11
	0	0	0
	0	0	0
History	25	9	16

Games since
	Main 20	Standard 9		Rapid 11		Blitz 0
Gender	Male
Age group	U12
Region	Chess South Africa (CSA)
Province
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	5	3	60	85	1211.6	1296.6
Standard	5	3	60	85	1211.6	1296.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	13.5	54	34	1224.6	1258.6
Standard	9	4	44.44	-47.2	1236.8	1189.6
Rapid	16	9.5	59.38	79.7	1217.7	1297.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1226.8	1201.2	1255	1200
2025-09-30	1226.8	1201.2	1255	1200
2025-09-01	1226.8	1201.2	1255	1200
2025-08-01	1226.8	1201.2	1255	1200
2025-07-01	1226.8	1201.2	1255	1200
2025-06-01	1226.8	1201.2	1255	1200
2025-05-01	1226.8	1201.2	1255	1200
2025-04-01	1226.8	1201.2	1255	1200
2025-03-01	1213.4	1178.4	1254.9	1200
2025-02-01	1213.2	1178.4	1254.5	1200
2025-01-01	1204.6	1170.8	1250.5	1200
2024-12-01	1204.6	1170.8	1250.5	1200
2024-11-01	1204.6	1170.8	1250.5	1200
2024-10-01	1204.6	1170.8	1250.5	1200
2024-09-01	1204.6	1170.8	1250.5	1200
2024-08-01	1204.6	1170.8	1250.5	1200
2024-07-01	1204.6	1170.8	1250.5	1200
2024-09-01	1204.6	1170.8	1250.5	1200
2024-05-01	1204.6	1170.8	1250.5	1200
2024-04-01	1204.6	1170.8	1250.5	1200
2024-03-01	1204.6	1170.8	1250.5	1200
2024-02-01	1250.2	1200	1287.9	1200
2024-01-01	1250.2	1200	1287.9	1200
2023-12-01	1250.2	1200	1287.9	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	Mary-Anne Bartels Closed Chess Tournament 2025 (U11)	2025-02-22	2025-02-22	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mary-Anne Bartels Closed Chess Tournament 2025 (U11)	2025-02-22	2025-02-22	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
2	Mary-Anne Bartels Closed Chess Tournament 2024 (U11 Mixed)	2024-02-24	2024-02-24	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
3	CT District East Schools Chess Individuals Trails 2024 (U11 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis
4	Grant East Primary School Invitational Chess Tournament 2023 (U9 Mixed)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
5	Mary-Anne Bartels Chess Tournament 2023 (U7+U9)	2023-02-21	2023-02-21	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-02-21	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 3	type Rapid	result 1
		Opponent Dudhia, H (Hamza)				Opponent Pfukwa, R (Rujeko)
2	3	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 1	type Rapid	result 0.5	date 2023-02-21	rnd 3	type Rapid	result 1
		Opponent Walters, N (Nicola)				Opponent Chester-Londt, J (Jasmine)
3	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Vumendlini, B (Bukho)				Opponent Gijana, A (Abongwe)

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Vumendlini, B (Bukho)				Opponent Gijana, A (Abongwe)
2	1	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 1	type Standard	result 1
		Opponent Machapa, K (Kudzie Asher)				Opponent Machapa, K (Kudzie Asher)
3	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Soga, B (Bukho)				Opponent Soga, B (Bukho)

#	Games	Start				End
1	4	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-02-21	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 3	type Rapid	result 1
		Opponent Dudhia, H (Hamza)				Opponent Pfukwa, R (Rujeko)
2	3	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 1	type Rapid	result 0.5	date 2023-02-21	rnd 3	type Rapid	result 1
		Opponent Walters, N (Nicola)				Opponent Chester-Londt, J (Jasmine)
3	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 2	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 1
		Opponent Beetge, H (Hannert)				Opponent Damons, K (Kirsten)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-02-21	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 3	type Rapid	result 1
		Opponent Dudhia, H (Hamza)				Opponent Pfukwa, R (Rujeko)
2	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Vumendlini, B (Bukho)				Opponent Gijana, A (Abongwe)
3	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 2	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 1
		Opponent Beetge, H (Hannert)				Opponent Damons, K (Kirsten)

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Vumendlini, B (Bukho)				Opponent Gijana, A (Abongwe)
2	1	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament Mary-Anne Bartels Closed Chess Tournament 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 1	type Standard	result 1
		Opponent Machapa, K (Kudzie Asher)				Opponent Machapa, K (Kudzie Asher)
3	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Soga, B (Bukho)				Opponent Soga, B (Bukho)

#	Games	Start				End
1	4	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-02-21	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 3	type Rapid	result 1
		Opponent Dudhia, H (Hamza)				Opponent Pfukwa, R (Rujeko)
2	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 2	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 1
		Opponent Beetge, H (Hannert)				Opponent Damons, K (Kirsten)
3	2	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 2	type Rapid	result 1	date 2023-02-21	rnd 3	type Rapid	result 1
		Opponent Driessen, E (Eben)				Opponent Chester-Londt, J (Jasmine)

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	Nkomo ,T (Tatenda)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Nkomo ,T (Tatenda)	2	1200	775	1	1200	775	1	1200	775	0	0	0
2	Vumendlini ,B (Bukho)	2	2	425	1	1	425	1	1	425	0	0	0
2	Vumendlini ,B (Bukho)	2	1194.4	1619.4	1	1213	1619.4	1	1200	1619.4	0	0	0
3	Heinrich ,K (Kaiser)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Heinrich ,K (Kaiser)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Soga ,B (Bukho)	1	1	425	1	1	425	0	0	0	0	0	0
4	Soga ,B (Bukho)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Klopper ,B (Ben)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Klopper ,B (Ben)	1	1491	1066	1	1365	1066	0	0	0	0	0	0
6	Pieters ,E (Eli)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Pieters ,E (Eli)	1	1182.1	757.1	1	1200	757.1	0	0	0	0	0	0
7	Louw ,J (Jean)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Louw ,J (Jean)	1	1276	851	1	1239.1	851	0	0	0	0	0	0
8	Hart ,L (Lu)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Hart ,L (Lu)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Pfukwa ,R (Rujeko)	1	1	425	0	0	0	1	1	425	0	0	0
9	Pfukwa ,R (Rujeko)	1	1243.2	1668.2	0	0	0	1	1282.3	1668.2	0	0	0
10	Dudhia ,H (Hamza)	1	1	425	0	0	0	1	1	425	0	0	0
10	Dudhia ,H (Hamza)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Kramer, 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