Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Ross, H (Haily)

Chess SA id

2090139173

FIDE id

Date of birth

2009-10-26 (U18)

Gender

Female

Region

Central Karoo (WCK)

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	1211.3	1187.3	1240	1200
Raw rating	1211.3	1187.3	1240	1200
Weighted rating	1200.3	1170.5	1240	1200
Weighted performance	951.9	0	0	0
Floor	711.3	700	740	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.2	168.9	156.6	165.8
Highest rating	1211.3 2025-03-01	1200 2018-10-01	1349.5 2022-06-01	1200 2018-10-01
Highest raw rating	1211.3 2025-03-01	1200 2019-12-01	1240 2024-03-01	1200 2024-03-01
Highest weighted rating	1211.3 2018-10-01	1200 2018-10-01	1240 2024-06-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1349.5 2022-06-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1211.3	1187.3	1240	1200
Analysis
Rating	1211.3	1187.3	1240	1200
Raw rating	1211.3	1187.3	1240	1200
Weighted rating	1200.3	1170.5	1240
Weighted performance	951.9	0	0
K-factor	36	36	36	36
Floor	711.3	700	740	700
Max/Min rating change allowed	163.2	168.9	156.6	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	1211.3	1187.3	1240	1200
New weighted rating	1202.3	1173.5	1240	1200
New weighted performance	951.5	0	0	0
Temp new rating	1211.3	1187.3	1240	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1211.3	1187.3	1240	1200
New K-factor	36	36	36	36
New floor	711.3	700	740	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	5	5	0
	0	0	0
	16	10	6
	0	0	0
History	26	20	6

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Central Karoo (WCK)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-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	1186.4	1271.4
Standard	5	3	60	85	1186.4	1271.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	26	13	50	0	1187.8	1187.8
Standard	20	9	45	-42.5	1193.7	1151.2
Rapid	6	4	66.67	141.7	1168	1309.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1211.3	1187.3	1240	1200
2025-09-01	1211.3	1187.3	1240	1200
2025-08-01	1211.3	1187.3	1240	1200
2025-07-01	1211.3	1187.3	1240	1200
2025-06-01	1211.3	1187.3	1240	1200
2025-05-01	1211.3	1187.3	1240	1200
2025-04-01	1211.3	1187.3	1240	1200
2025-03-01	1211.3	1187.3	1240	1200
2025-02-01	1196.9	1164	1240	1200
2025-01-01	1196.9	1164	1240	1200
2024-12-01	1196.9	1164	1240	1200
2024-11-01	1196.9	1164	1240	1200
2024-10-01	1196.9	1164	1240	1200
2024-09-01	1196.9	1164	1240	1200
2024-08-01	1196.9	1164	1240	1200
2024-07-01	1196.9	1164	1240	1200
2024-06-01	1196.9	1164	1240	1200
2024-08-01	1196.9	1164	1240	1200
2024-04-01	1133.2	1074.8	1240	1200
2024-03-01	1133.2	1074.8	1240	1200
2024-02-01	1133.2	1074.8	1240	1200
2024-01-01	1133.2	1074.8	1240	1200
2023-12-01	1133.2	1074.8	1240	1200
2023-11-01	1133.2	1074.8	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	Central Karoo Schools Chess Trail 1 2025 (U17)	2025-02-22	2025-02-22	Standard	Central Karoo (WCK)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Central Karoo Schools Chess Trail 1 2025 (U17)	2025-02-22	2025-02-22	Standard	Central Karoo (WCK)	5	5	3	Yes	Analysis
2	Central Karoo Schools Chess Trial 1 2024 (U15)	2024-03-02	2024-03-02	Standard	Central Karoo (WCK)	5	5	4	Yes	Analysis
3	Central Karoo Ope 2022 (B)	2022-06-18	2022-06-18	Rapid	Central Karoo (WCK)	6	6	4	Yes	Analysis
4	Western Cape Schools 2022 (U13 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	5	0	Yes	Analysis
5	Central Karoo 2022 (U11-U15 Girls)	2022-03-19	2022-03-19	Standard	Central Karoo (WCK)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Central Karoo Ope 2022				Tournament Central Karoo Ope 2022
		date 2022-06-18	rnd 2	type Rapid	result 1	date 2022-06-18	rnd 5	type Rapid	result 1
		Opponent Gertse, K (Kayden)				Opponent Augustyn, J (Johan)
2	3	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trail 1 2025
		date 2024-03-02	rnd 4	type Standard	result 1	date 2025-02-22	rnd 1	type Standard	result 1
		Opponent Smith, E (Eshnique)				Opponent Lintnaar, S (Shaha-Leigh)
3	2	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trial 1 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Windvoel, J (Jayden)				Opponent Jacobs, A (Akilah)

#	Games	Start				End
1	3	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trail 1 2025
		date 2024-03-02	rnd 4	type Standard	result 1	date 2025-02-22	rnd 1	type Standard	result 1
		Opponent Smith, E (Eshnique)				Opponent Lintnaar, S (Shaha-Leigh)
2	2	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trial 1 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Windvoel, J (Jayden)				Opponent Jacobs, A (Akilah)
3	1	Tournament Central Karoo Schools Chess Trail 1 2025				Tournament Central Karoo Schools Chess Trail 1 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Braaft, R (Rozayrio)				Opponent Braaft, R (Rozayrio)

#	Games	Start				End
1	4	Tournament Central Karoo Ope 2022				Tournament Central Karoo Ope 2022
		date 2022-06-18	rnd 2	type Rapid	result 1	date 2022-06-18	rnd 5	type Rapid	result 1
		Opponent Gertse, K (Kayden)				Opponent Augustyn, J (Johan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Central Karoo Ope 2022				Tournament Central Karoo Ope 2022
		date 2022-06-18	rnd 2	type Rapid	result 1	date 2022-06-18	rnd 5	type Rapid	result 1
		Opponent Gertse, K (Kayden)				Opponent Augustyn, J (Johan)
2	3	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trail 1 2025
		date 2024-03-02	rnd 4	type Standard	result 1	date 2025-02-22	rnd 1	type Standard	result 1
		Opponent Smith, E (Eshnique)				Opponent Lintnaar, S (Shaha-Leigh)
3	2	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trial 1 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Windvoel, J (Jayden)				Opponent Jacobs, A (Akilah)

#	Games	Start				End
1	3	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trail 1 2025
		date 2024-03-02	rnd 4	type Standard	result 1	date 2025-02-22	rnd 1	type Standard	result 1
		Opponent Smith, E (Eshnique)				Opponent Lintnaar, S (Shaha-Leigh)
2	2	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trial 1 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Windvoel, J (Jayden)				Opponent Jacobs, A (Akilah)
3	1	Tournament Central Karoo Schools Chess Trail 1 2025				Tournament Central Karoo Schools Chess Trail 1 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Braaft, R (Rozayrio)				Opponent Braaft, R (Rozayrio)

#	Games	Start				End
1	4	Tournament Central Karoo Ope 2022				Tournament Central Karoo Ope 2022
		date 2022-06-18	rnd 2	type Rapid	result 1	date 2022-06-18	rnd 5	type Rapid	result 1
		Opponent Gertse, K (Kayden)				Opponent Augustyn, J (Johan)

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	Smith ,E (Eshnique)	2	1	0	2	1	0	0	0	0	0	0	0
1	Smith ,E (Eshnique)	2	1212.2	1212.2	2	1210.8	1212.2	0	0	0	0	0	0
2	Plaatjies ,N (Nikita)	2	2	425	1	1	425	1	1	425	0	0	0
2	Plaatjies ,N (Nikita)	2	1161.8	1586.8	1	1200	1586.8	1	1200	1586.8	0	0	0
3	Jacobs ,A (Akilah)	1	1	425	1	1	425	0	0	0	0	0	0
3	Jacobs ,A (Akilah)	1	1180.1	1605.1	1	1177.4	1605.1	0	0	0	0	0	0
4	Sabawas ,R (Ricardo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Sabawas ,R (Ricardo)	1	1246.3	821.3	1	1248.5	821.3	0	0	0	0	0	0
5	Bosman ,B (Burnito)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Bosman ,B (Burnito)	1	1224.3	799.3	1	1196.1	799.3	0	0	0	0	0	0
6	Knouwds ,E (Eugene)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Knouwds ,E (Eugene)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Wessels ,H (Hanjah)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Wessels ,H (Hanjah)	1	1206.2	781.2	1	1202.9	781.2	0	0	0	0	0	0
8	Braaft ,R (Rozayrio)	1	1	425	1	1	425	0	0	0	0	0	0
8	Braaft ,R (Rozayrio)	1	1107.5	1532.5	1	1113.5	1532.5	0	0	0	0	0	0
9	Arries ,J (Jizelle)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Arries ,J (Jizelle)	1	1197.7	772.7	1	1196	772.7	0	0	0	0	0	0
10	Bosman ,B (Beauthin)	1	1	425	1	1	425	0	0	0	0	0	0
10	Bosman ,B (Beauthin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Der Ross, H (Haily)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms