Chess South Africa Ratings Database

PLAYER PAGE

Personal

Rohrs, R (Ruben)

Chess SA id

1120148600

FIDE id

Date of birth

2012-10-22 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1164.2	1157.6	1200	1200
Raw rating	1164.2	1157.6	1200	1200
Weighted rating	1164.2	1157.6	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	174.5	176.1	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1164.2	1157.6	1200	1200
Analysis
Rating	1164.2	1157.6	1200	1200
Raw rating	1164.2	1157.6	1200	1200
Weighted rating	1164.2	1157.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	174.5	176.1	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	1164.2	1157.6	1200	1200
New weighted rating	1164.2	1157.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1164.2	1157.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1164.2	1157.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	10	10
	0	0
	0	0
History	10	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	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	10	3	30	-170	1253.9	1083.9
Standard	10	3	30	-170	1253.9	1083.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1164.2	1157.6	1200	1200
2025-09-01	1164.2	1157.6	1200	1200
2025-08-01	1164.2	1157.6	1200	1200
2025-07-01	1164.2	1157.6	1200	1200
2025-06-01	1164.2	1157.6	1200	1200
2025-05-01	1164.2	1157.6	1200	1200
2025-04-01	1164.2	1157.6	1200	1200
2025-03-01	1164.2	1157.6	1200	1200
2025-02-01	1164.2	1157.6	1200	1200
2025-01-01	1164.2	1157.6	1200	1200
2024-12-01	1164.2	1157.6	1200	1200
2024-11-01	1164.2	1157.6	1200	1200
2024-10-01	1164.2	1157.6	1200	1200
2024-09-01	1164.2	1157.6	1200	1200
2024-08-01	1164.2	1157.6	1200	1200
2024-07-01	1164.2	1157.6	1200	1200
2024-06-01	1164.2	1157.6	1200	1200
2024-08-01	1164.2	1157.6	1200	1200
2024-04-01	1164.2	1157.6	1200	1200
2024-03-01	1164.2	1157.6	1200	1200
2024-02-01	1164.2	1157.6	1200	1200
2024-01-01	1164.2	1157.6	1200	1200
2023-12-01	1164.2	1157.6	1200	1200
2023-11-01	1164.2	1157.6	1200	1200

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	ThinkChess Tournament 6 May 2023	2023-05-06	2023-05-06	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	Thinkchess Tournament 2023 (Group 1)	2023-01-28	2023-01-28	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament ThinkChess Tournament 6 May 2023				Tournament ThinkChess Tournament 6 May 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 4	type Standard	result 1
		Opponent Nyezi, S (Siphelele)				Opponent Nyezi, S (Siphelele)
2	1	Tournament ThinkChess Tournament 6 May 2023				Tournament ThinkChess Tournament 6 May 2023
		date 2023-05-06	rnd 2	type Standard	result 1	date 2023-05-06	rnd 2	type Standard	result 1
		Opponent Botha, S (Sebastian)				Opponent Botha, S (Sebastian)
3	1	Tournament Thinkchess Tournament 2023				Tournament Thinkchess Tournament 2023
		date 2023-01-28	rnd 3	type Standard	result 1	date 2023-01-28	rnd 3	type Standard	result 1
		Opponent Chetty, N (Neveshan)				Opponent Chetty, N (Neveshan)

#	Games	Start				End
1	1	Tournament ThinkChess Tournament 6 May 2023				Tournament ThinkChess Tournament 6 May 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 4	type Standard	result 1
		Opponent Nyezi, S (Siphelele)				Opponent Nyezi, S (Siphelele)
2	1	Tournament ThinkChess Tournament 6 May 2023				Tournament ThinkChess Tournament 6 May 2023
		date 2023-05-06	rnd 2	type Standard	result 1	date 2023-05-06	rnd 2	type Standard	result 1
		Opponent Botha, S (Sebastian)				Opponent Botha, S (Sebastian)
3	1	Tournament Thinkchess Tournament 2023				Tournament Thinkchess Tournament 2023
		date 2023-01-28	rnd 3	type Standard	result 1	date 2023-01-28	rnd 3	type Standard	result 1
		Opponent Chetty, N (Neveshan)				Opponent Chetty, N (Neveshan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament ThinkChess Tournament 6 May 2023				Tournament ThinkChess Tournament 6 May 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 4	type Standard	result 1
		Opponent Nyezi, S (Siphelele)				Opponent Nyezi, S (Siphelele)
2	1	Tournament ThinkChess Tournament 6 May 2023				Tournament ThinkChess Tournament 6 May 2023
		date 2023-05-06	rnd 2	type Standard	result 1	date 2023-05-06	rnd 2	type Standard	result 1
		Opponent Botha, S (Sebastian)				Opponent Botha, S (Sebastian)
3	1	Tournament Thinkchess Tournament 2023				Tournament Thinkchess Tournament 2023
		date 2023-01-28	rnd 3	type Standard	result 1	date 2023-01-28	rnd 3	type Standard	result 1
		Opponent Chetty, N (Neveshan)				Opponent Chetty, N (Neveshan)

#	Games	Start				End
1	1	Tournament ThinkChess Tournament 6 May 2023				Tournament ThinkChess Tournament 6 May 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 4	type Standard	result 1
		Opponent Nyezi, S (Siphelele)				Opponent Nyezi, S (Siphelele)
2	1	Tournament ThinkChess Tournament 6 May 2023				Tournament ThinkChess Tournament 6 May 2023
		date 2023-05-06	rnd 2	type Standard	result 1	date 2023-05-06	rnd 2	type Standard	result 1
		Opponent Botha, S (Sebastian)				Opponent Botha, S (Sebastian)
3	1	Tournament Thinkchess Tournament 2023				Tournament Thinkchess Tournament 2023
		date 2023-01-28	rnd 3	type Standard	result 1	date 2023-01-28	rnd 3	type Standard	result 1
		Opponent Chetty, N (Neveshan)				Opponent Chetty, N (Neveshan)

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	Gupta ,A (Akul)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Gupta ,A (Akul)	1	1445.3	1020.3	1	1416.3	1020.3	0	0	0	0	0	0
2	Hogeweg ,A (Aidan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Hogeweg ,A (Aidan)	1	1253.1	828.1	1	1260	828.1	0	0	0	0	0	0
3	Burger ,B (Benjamin)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Burger ,B (Benjamin)	1	1300.2	875.2	1	1315.6	875.2	0	0	0	0	0	0
4	Tayob ,M (Muhammed)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Tayob ,M (Muhammed)	1	1179.2	754.2	1	1159	754.2	0	0	0	0	0	0
5	Botha ,S (Sebastian)	1	1	425	1	1	425	0	0	0	0	0	0
5	Botha ,S (Sebastian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Uphof ,J (Jayden Wyatt)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Uphof ,J (Jayden Wyatt)	1	1186.3	761.3	1	1183.4	761.3	0	0	0	0	0	0
7	Nyezi ,S (Siphelele)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nyezi ,S (Siphelele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Chetty ,N (Neveshan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Chetty ,N (Neveshan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Bazhko ,A (Anton)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Bazhko ,A (Anton)	1	1387.8	962.8	1	1377.8	962.8	0	0	0	0	0	0
10	Smith ,C (Caleb)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Smith ,C (Caleb)	1	1187.6	762.6	1	1173.5	762.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Rohrs, 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