Chess South Africa Ratings Database

PLAYER PAGE

Personal

Roos, H (Hannes)

Chess SA id

108068831

FIDE id

Date of birth

2008-07-07 (U18)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	792.2	794.6	535.2	535.2
Raw rating	792.2	794.6	535.2	535.2
Weighted rating	792.2	794.6	535.2	535.2
Weighted performance	84.5	84.3	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	296.5	295.4	427.5	427.5
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	792.2 2024-02-01	796.2 2018-09-01	535.2 2024-02-01	535.2 2024-02-01
Highest weighted rating	792.2 2024-11-01	796.2 2024-11-01	535.2 2024-11-01	535.2 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	792.2	794.6	535.2	535.2
Analysis
Rating	792.2	794.6	535.2	535.2
Raw rating	792.2	794.6	535.2	535.2
Weighted rating	792.2	794.6	535.2
Weighted performance	84.5	84.3	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	296.5	295.4	427.5	427.5
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	792.2	794.6	535.2	535.2
New weighted rating	792.2	794.6	535.2	535.2
New weighted performance	84.2	84	0	0
Temp new rating	792.2	794.6	535.2	535.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	792.2	794.6	535.2	535.2
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	142	142

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
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	44	21	47.73	-19.3	792.7	773.4
Standard	44	21	47.73	-19.3	792.7	773.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	792.2	794.6	535.2	535.2
2025-09-01	792.2	794.6	535.2	535.2
2025-08-01	792.2	794.6	535.2	535.2
2025-07-01	792.2	794.6	535.2	535.2
2025-06-01	792.2	794.6	535.2	535.2
2025-05-01	792.2	794.6	535.2	535.2
2025-04-01	792.2	794.6	535.2	535.2
2025-03-01	792.2	794.6	535.2	535.2
2025-02-01	792.2	794.6	535.2	535.2
2025-01-01	792.2	794.6	535.2	535.2
2024-12-01	792.2	794.6	535.2	535.2
2024-11-01	792.2	794.6	535.2	535.2
2024-10-01	792.2	794.6	535.2	535.2
2024-09-01	792.2	794.6	535.2	535.2
2024-08-01	792.2	794.6	535.2	535.2
2024-07-01	792.2	794.6	535.2	535.2
2024-06-01	792.2	794.6	535.2	535.2
2024-08-01	792.2	794.6	535.2	535.2
2024-04-01	792.2	794.6	535.2	535.2
2024-03-01	792.2	794.6	535.2	535.2
2024-02-01	792.2	794.6	535.2	535.2
2024-01-01	792.2	794.6	535.2	535.2
2023-12-01	792.2	794.6	535.2	535.2
2023-11-01	792.2	794.6	535.2	535.2

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	South African Junior Team Championships 2018 (U12C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	1	Yes	Analysis
2	Laerskool Brits Tournament 2018 (U12)	2018-08-04	2018-08-04	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
3	Laerskool Olienpark 2018 (U12)	2018-04-21	2018-04-21	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
4	Laerskool Rustenburg 2018 (D)	2018-03-24	2018-03-24	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
5	Hoerskool Brits 2018 (U12)	2018-03-17	2018-03-17	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
6	Laerskool Vastrap 2018 (U12)	2018-02-03	2018-02-03	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
7	South African Junior Wildcard Championships 2017 (U10 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	6	1	Yes	Analysis
8	South African Junior Team Championships 2017 (U10D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	6	Tournament Laerskool Vastrap 2018				Tournament Hoerskool Brits 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-03-17	rnd 3	type Standard	result 1
		Opponent Molefinyane, O (Otlotleng)				Opponent Rheeders, PH (Petrus Hendrik)
2	4	Tournament Laerskool Rustenburg 2018				Tournament Laerskool Rustenburg 2018
		date 2018-03-24	rnd 1	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Dire, A (Aobakwe)				Opponent Bezuidenhout, E (Ethan)
3	3	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 1	type Standard	result 0.5	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Dire, O (Otlotleng)				Opponent Joubert, M (Maretha)

#	Games	Start				End
1	6	Tournament Laerskool Vastrap 2018				Tournament Hoerskool Brits 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-03-17	rnd 3	type Standard	result 1
		Opponent Molefinyane, O (Otlotleng)				Opponent Rheeders, PH (Petrus Hendrik)
2	4	Tournament Laerskool Rustenburg 2018				Tournament Laerskool Rustenburg 2018
		date 2018-03-24	rnd 1	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Dire, A (Aobakwe)				Opponent Bezuidenhout, E (Ethan)
3	3	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 1	type Standard	result 0.5	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Dire, O (Otlotleng)				Opponent Joubert, M (Maretha)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Laerskool Brits Tournament 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Schoeman, C (Charl-Pierre)				Opponent De Klerk, AJ (Abraham Jacobus)
2	2	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Mhlongo, S (Siphesihle)				Opponent Joubert, M (Maretha)
3	2	Tournament Laerskool Rustenburg 2018				Tournament Laerskool Rustenburg 2018
		date 2018-03-24	rnd 3	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Schoeman, C (Charl-Pierre)				Opponent Bezuidenhout, E (Ethan)

#	Games	Start				End
1	2	Tournament Laerskool Brits Tournament 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Schoeman, C (Charl-Pierre)				Opponent De Klerk, AJ (Abraham Jacobus)
2	2	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Mhlongo, S (Siphesihle)				Opponent Joubert, M (Maretha)
3	2	Tournament Laerskool Rustenburg 2018				Tournament Laerskool Rustenburg 2018
		date 2018-03-24	rnd 3	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Schoeman, C (Charl-Pierre)				Opponent Bezuidenhout, E (Ethan)

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	Schoeman ,C (Charl-Pierre)	3	3	425	3	3	425	0	0	0	0	0	0
1	Schoeman ,C (Charl-Pierre)	3	671.2	1096.2	3	670.9	1096.2	0	0	0	0	0	0
2	De Klerk ,AJ (Abraham Jacobus)	2	2	425	2	2	425	0	0	0	0	0	0
2	De Klerk ,AJ (Abraham Jacobus)	2	699.1	1124.1	2	700.7	1124.1	0	0	0	0	0	0
3	Matshego ,T (Thato)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Matshego ,T (Thato)	2	862.6	437.6	2	878.7	437.6	0	0	0	0	0	0
4	Coetzee ,G (Gisele)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Coetzee ,G (Gisele)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Kruger ,A (Alexander)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kruger ,A (Alexander)	1	696	1121	1	696	1121	0	0	0	0	0	0
6	Krog ,J (Juhann)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Krog ,J (Juhann)	1	662.7	662.7	1	660.8	662.7	0	0	0	0	0	0
7	Sera ,G (Galaletsang)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Sera ,G (Galaletsang)	1	793.8	368.8	1	793.3	368.8	0	0	0	0	0	0
8	Singh ,A (Arnaav)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Singh ,A (Arnaav)	1	1127.4	702.4	1	1130.4	702.4	0	0	0	0	0	0
9	Nel ,JB (Janko Bruwer)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nel ,JB (Janko Bruwer)	1	798.2	373.2	1	802.2	373.2	0	0	0	0	0	0
10	Klopper ,C (Chris)	1	1	425	1	1	425	0	0	0	0	0	0
10	Klopper ,C (Chris)	1	904.7	1329.7	1	871.2	1329.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Roos, H (Hannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms