Chess South Africa Ratings Database

PLAYER PAGE

Personal

Friedrich, R (Ruhan)

Chess SA id

109076152

FIDE id

Date of birth

2009-01-16 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-01-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1101.3	1094.7	500	500
Raw rating	1101.3	1094.7	500	500
Weighted rating	1101.3	1094.7	500	500
Weighted performance	288	285.8	0	0
Floor	601.3	594.7	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	190.9	192.7	449.5	449.5
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1101.3 2024-02-01	1094.7 2024-02-01	500 2024-02-01	500 2024-02-01
Highest weighted rating	1101.3 2024-11-01	1094.7 2024-11-01	500 2024-11-01	500 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1101.3	1094.7	500	500
Analysis
Rating	1101.3	1094.7	500	500
Raw rating	1101.3	1094.7	500	500
Weighted rating	1101.3	1094.7	500
Weighted performance	288	285.8	0
K-factor	40	40	40	40
Floor	601.3	594.7	500	500
Max/Min rating change allowed	190.9	192.7	449.5	449.5
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	1101.3	1094.7	500	500
New weighted rating	1101.3	1094.7	500	500
New weighted performance	287.6	285.4	0	0
Temp new rating	1101.3	1094.7	500	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1101.3	1094.7	500	500
New K-factor	40	40	40	40
New floor	601.3	594.7	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	164	164

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	89	34.5	38.76	-95.5	998.4	902.9
Standard	89	34.5	38.76	-95.5	998.4	902.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1101.3	1094.7	500	500
2025-09-01	1101.3	1094.7	500	500
2025-08-01	1101.3	1094.7	500	500
2025-07-01	1101.3	1094.7	500	500
2025-06-01	1101.3	1094.7	500	500
2025-05-01	1101.3	1094.7	500	500
2025-04-01	1101.3	1094.7	500	500
2025-03-01	1101.3	1094.7	500	500
2025-02-01	1101.3	1094.7	500	500
2025-01-01	1101.3	1094.7	500	500
2024-12-01	1101.3	1094.7	500	500
2024-11-01	1101.3	1094.7	500	500
2024-10-01	1101.3	1094.7	500	500
2024-09-01	1101.3	1094.7	500	500
2024-08-01	1101.3	1094.7	500	500
2024-07-01	1101.3	1094.7	500	500
2024-06-01	1101.3	1094.7	500	500
2024-08-01	1101.3	1094.7	500	500
2024-04-01	1101.3	1094.7	500	500
2024-03-01	1101.3	1094.7	500	500
2024-02-01	1101.3	1094.7	500	500
2024-01-01	1101.3	1094.7	500	500
2023-12-01	1101.3	1094.7	500	500
2023-11-01	1101.3	1094.7	500	500

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 Registration Tournament (D)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2019 South African Junior Team Championships (U12E)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
3	2019 Etienne Lewis Trials (U12 Boys)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	7	2.5	Yes	Analysis
4	2019 Alekhine Open (D)	2019-08-09	2019-08-10	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
5	2019 D4 Individual Finals (U11 Mixed)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	2019 Blou Bul (D)	2019-02-16	2019-02-16	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2018 Tshwane Inter Region (U10F)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
8	South African Junior Team Championships 2018 (U10C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	1	Yes	Analysis
9	2018 Lardies Ope (D)	2018-10-27	2018-10-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	2018 Jakaranda (K)	2018-09-22	2018-09-22	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
11	2018 Etienne Lewis Trials (U10 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	7	0	Yes	Analysis
12	2018 D4 Tshwane South Schools League Finals (U9)	2018-08-03	2018-08-03	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
13	2018 Capablanca Swiss (D)	2018-04-27	2018-04-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
14	2018 D4 Tshwane North Individual Chess Championships (U9 Boys)	2018-03-10	2018-03-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
15	2018 Blou Bul Open (D)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
16	South African Junior Team Championships 2017 (U10C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2018 Tshwane Inter Region				Tournament 2018 Tshwane Inter Region
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-01	rnd 3	type Standard	result 1
		Opponent Niehaus, SJ (Samuel)				Opponent Van Der Walt, AJ (Antonie)
2	3	Tournament 2018 Capablanca Swiss				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-04-27	rnd 4	type Standard	result 1	date 2018-08-03	rnd 1	type Standard	result 1
		Opponent Senekal, W (William)				Opponent Sookdeo, A (Aaryan)
3	2	Tournament 2020 Registration Tournament				Tournament 2020 Registration Tournament
		date 2020-01-25	rnd 2	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Karsten, CB (Chay Belle)				Opponent Gruenenfelder, L (Laker)

#	Games	Start				End
1	3	Tournament 2018 Tshwane Inter Region				Tournament 2018 Tshwane Inter Region
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-01	rnd 3	type Standard	result 1
		Opponent Niehaus, SJ (Samuel)				Opponent Van Der Walt, AJ (Antonie)
2	3	Tournament 2018 Capablanca Swiss				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-04-27	rnd 4	type Standard	result 1	date 2018-08-03	rnd 1	type Standard	result 1
		Opponent Senekal, W (William)				Opponent Sookdeo, A (Aaryan)
3	2	Tournament 2020 Registration Tournament				Tournament 2020 Registration Tournament
		date 2020-01-25	rnd 2	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Karsten, CB (Chay Belle)				Opponent Gruenenfelder, L (Laker)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2018 Tshwane Inter Region				Tournament 2018 Tshwane Inter Region
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-01	rnd 3	type Standard	result 1
		Opponent Niehaus, SJ (Samuel)				Opponent Van Der Walt, AJ (Antonie)
2	3	Tournament 2018 Capablanca Swiss				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-04-27	rnd 4	type Standard	result 1	date 2018-08-03	rnd 1	type Standard	result 1
		Opponent Senekal, W (William)				Opponent Sookdeo, A (Aaryan)
3	2	Tournament 2020 Registration Tournament				Tournament 2020 Registration Tournament
		date 2020-01-25	rnd 2	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Karsten, CB (Chay Belle)				Opponent Gruenenfelder, L (Laker)

#	Games	Start				End
1	3	Tournament 2018 Tshwane Inter Region				Tournament 2018 Tshwane Inter Region
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-01	rnd 3	type Standard	result 1
		Opponent Niehaus, SJ (Samuel)				Opponent Van Der Walt, AJ (Antonie)
2	3	Tournament 2018 Capablanca Swiss				Tournament 2018 D4 Tshwane South Schools League Finals
		date 2018-04-27	rnd 4	type Standard	result 1	date 2018-08-03	rnd 1	type Standard	result 1
		Opponent Senekal, W (William)				Opponent Sookdeo, A (Aaryan)
3	2	Tournament 2020 Registration Tournament				Tournament 2020 Registration Tournament
		date 2020-01-25	rnd 2	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Karsten, CB (Chay Belle)				Opponent Gruenenfelder, L (Laker)

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	Van Rooyen ,M (Marcel)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Van Rooyen ,M (Marcel)	3	933.8	792.2	3	921.1	792.2	0	0	0	0	0	0
2	Louw ,N (Nova)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Louw ,N (Nova)	2	636.5	211.5	2	636.1	211.5	0	0	0	0	0	0
3	Venter ,D (Dian)	2	2	425	2	2	425	0	0	0	0	0	0
3	Venter ,D (Dian)	2	961.1	1386.1	2	945	1386.1	0	0	0	0	0	0
4	Lourens ,J (Jurgen)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Lourens ,J (Jurgen)	2	1116.7	691.7	2	1104.2	691.7	0	0	0	0	0	0
5	Sefanyetso ,K (Kagiso)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Sefanyetso ,K (Kagiso)	2	1170.5	958	2	1168.4	958	0	0	0	0	0	0
6	Smit ,W (Wian)	2	1	0	2	1	0	0	0	0	0	0	0
6	Smit ,W (Wian)	2	809.2	809.2	2	800.4	809.2	0	0	0	0	0	0
7	Van Der Walt ,AJ (Antonie Johannes)	2	2	425	2	2	425	0	0	0	0	0	0
7	Van Der Walt ,AJ (Antonie Johannes)	2	1066.7	1491.7	2	1038.1	1491.7	0	0	0	0	0	0
8	Nayagar ,Y (Yashiel)	2	1	0	2	1	0	0	0	0	0	0	0
8	Nayagar ,Y (Yashiel)	2	883.3	883.3	2	884.4	883.3	0	0	0	0	0	0
9	Webb ,K (Kagan)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Webb ,K (Kagan)	2	1113.6	688.6	2	1080.5	688.6	0	0	0	0	0	0
10	Dreyer ,TF (Thomas Frederik)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Dreyer ,TF (Thomas Frederik)	1	897.8	472.8	1	874.2	472.8	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

Friedrich, R (Ruhan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms