Chess South Africa Ratings Database

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Personal

Van Der Ross, R (Ross)

Chess SA id

1060153935

FIDE id

Date of birth

2006-04-30 (U20)

Gender

Male

Region

Lejweleputswa (FLW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-19

Personal details last changed

1900-01-01

Junior GPX Games

10.7

Junior GPX Points

1085.3

Item	Main	Standard	Rapid	Blitz
Rating	1215	1218.5	1200	1198.5
Raw rating	1214	1218.5	1200	1193.5
Weighted rating	1215	1216	1200	1198.5
Weighted performance	1077.5	1087.6	0	0
Floor	742.6	749.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.5	161.5	165.8	167.3
Highest rating	1404.8 2023-04-01	1396.8 2023-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1242.6 2025-03-01	1249.1 2025-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1242.6 2023-05-01	1249.1 2023-05-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1404.8 2023-04-01	1396.8 2023-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.4	0	0	-0.5
New rating	1215.4	1218.5	1200	1198.1
Analysis
Rating	1215	1218.5	1200	1198.5
Raw rating	1214	1218.5	1200	1193.5
Weighted rating	1215	1216	1200
Weighted performance	1077.5	1087.6	0
K-factor	36	36	36	36
Floor	742.6	749.1	700	700
Max/Min rating change allowed	162.5	161.5	165.8	167.3
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	1214	1218.5	1200	1193.5
New weighted rating	1215.4	1216.8	1200	1198.1
New weighted performance	1077.1	1087.2	0	0
Temp new rating	1215.4	1218.5	1200	1198.1
Temp new rating +/-	0.4	0	0	-0.5
Final new rating +/-	0.4	0	0	-0.5
New rating	1215.4	1218.5	1200	1198.1
New K-factor	36	36	36	36
New floor	742.6	749.1	700	700

Item	Main	Standard	Blitz
	0	0	0
	18	10	8
	9	9	0
	8	8	0
	0	0	0
	0	0	0
History	35	27	8

Games since
	Main 27	Standard 19		Rapid 0		Blitz 8
Gender	Male
Age group	U20
Region	Lejweleputswa (FLW)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	18	7.5	41.67	-70.8	1263.6	1192.8
Standard	10	5.5	55	42.5	1200.7	1243.2
Rapid	0	0	0	0	0	0
Blitz	8	2	25	-212.5	1342.3	1129.8
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	35	15.5	44.29	-48.6	1252.3	1203.7
Standard	27	13.5	50	0	1225.6	1225.6
Rapid	0	0	0	0	0	0
Blitz	8	2	25	-212.5	1342.3	1129.8

Date	Main	Standard	Rapid	Blitz
2025-09-30	1214	1218.5	1200	1193.5
2025-09-01	1214	1218.5	1200	1193.5
2025-08-01	1214	1218.5	1200	1193.5
2025-07-01	1218.7	1218.5	1200	1200
2025-06-01	1218.7	1218.5	1200	1200
2025-05-01	1242.6	1249.1	1200	1200
2025-04-01	1242.6	1249.1	1200	1200
2025-03-01	1242.6	1249.1	1200	1200
2025-02-01	1205.7	1203.5	1200	1200
2025-01-01	1205.7	1203.5	1200	1200
2024-12-01	1205.7	1203.5	1200	1200
2024-11-01	1205.7	1203.5	1200	1200
2024-10-01	1205.7	1203.5	1200	1200
2024-09-01	1203.9	1201	1200	1200
2024-08-01	1203.9	1201	1200	1200
2024-07-01	1203.9	1201	1200	1200
2024-06-01	1203.9	1201	1200	1200
2024-08-01	1203.9	1201	1200	1200
2024-04-01	1195.1	1192	1200	1200
2024-03-01	1195.1	1192	1200	1200
2024-02-01	1195.1	1192	1200	1200
2024-01-01	1195.1	1192	1200	1200
2023-12-01	1195.1	1192	1200	1200
2023-11-01	1195.1	1192	1200	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	Smart Chess Blitz 2025 (Open)	2025-07-19	2025-07-19	Blitz	Mangaung (FMB)	9	8	2	Yes	Analysis
2	Spartan Bishops Championships Warriors 2025 (U20)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	1.5	Yes	Analysis
3	HTS Welkom Open Chess Tournament 2025 (B)	2025-02-22	2025-02-22	Standard	Lejweleputswa (FLW)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Smart Chess Blitz 2025 (Open)	2025-07-19	2025-07-19	Blitz	Mangaung (FMB)	9	8	2	Yes	Analysis
2	Spartan Bishops Championships Warriors 2025 (U20)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	1.5	Yes	Analysis
3	HTS Welkom Open Chess Tournament 2025 (B)	2025-02-22	2025-02-22	Standard	Lejweleputswa (FLW)	5	5	4	Yes	Analysis
4	Lejweleputswa Closed Chess Championships 2024 (U20)	2024-09-21	2024-09-21	Standard	Lejweleputswa (FLW)	5	4	1.5	Yes	Analysis
5	Lejweleputswa 3rd Qualifieng Tournament 2024 (Open)	2024-04-20	2024-04-20	Standard	Lejweleputswa (FLW)	5	5	2.5	Yes	Analysis
6	Lejweleputswa 4th Qualifying Tournament 2023 (U18)	2023-05-26	2023-05-26	Standard	Lejweleputswa (FLW)	5	4	1	Yes	Analysis
7	Lejweleputswa 3rd Qualifieng Tournament 2023 (B)	2023-04-22	2023-04-22	Standard	Lejweleputswa (FLW)	5	4	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Lejweleputswa Closed Chess Championships 2024				Tournament HTS Welkom Open Chess Tournament 2025
		date 2024-09-21	rnd 5	type Standard	result 0.5	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Ndhlovu, B (Bontshelo)				Opponent Michalakis, S (Stylianos)
2	3	Tournament Lejweleputswa 3rd Qualifieng Tournament 2024				Tournament Lejweleputswa 3rd Qualifieng Tournament 2024
		date 2024-04-20	rnd 2	type Standard	result 0.5	date 2024-04-20	rnd 4	type Standard	result 1
		Opponent Taaibos, B (Brain)				Opponent Bhagwandeen, D (Daksh)
3	2	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 4	type Blitz	result 1	date 2025-07-19	rnd 5	type Blitz	result 1
		Opponent Van Der Ross, E (Ezra)				Opponent Feng, SM (Sheng-Ming)

#	Games	Start				End
1	5	Tournament Lejweleputswa Closed Chess Championships 2024				Tournament HTS Welkom Open Chess Tournament 2025
		date 2024-09-21	rnd 5	type Standard	result 0.5	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Ndhlovu, B (Bontshelo)				Opponent Michalakis, S (Stylianos)
2	3	Tournament Lejweleputswa 3rd Qualifieng Tournament 2024				Tournament Lejweleputswa 3rd Qualifieng Tournament 2024
		date 2024-04-20	rnd 2	type Standard	result 0.5	date 2024-04-20	rnd 4	type Standard	result 1
		Opponent Taaibos, B (Brain)				Opponent Bhagwandeen, D (Daksh)
3	2	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Lejweleputswa 3rd Qualifieng Tournament 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Mabija, O (Onele)				Opponent Van Wyk, S (Skai)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 4	type Blitz	result 1	date 2025-07-19	rnd 5	type Blitz	result 1
		Opponent Van Der Ross, E (Ezra)				Opponent Feng, SM (Sheng-Ming)

#	Games	Start				End
1	4	Tournament HTS Welkom Open Chess Tournament 2025				Tournament HTS Welkom Open Chess Tournament 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Lesupi, P (Precious)				Opponent Michalakis, S (Stylianos)
2	2	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 4	type Blitz	result 1	date 2025-07-19	rnd 5	type Blitz	result 1
		Opponent Van Der Ross, E (Ezra)				Opponent Feng, SM (Sheng-Ming)
3	2	Tournament Lejweleputswa 3rd Qualifieng Tournament 2024				Tournament Lejweleputswa 3rd Qualifieng Tournament 2024
		date 2024-04-20	rnd 3	type Standard	result 1	date 2024-04-20	rnd 4	type Standard	result 1
		Opponent Mofolo, L (Lesedi)				Opponent Bhagwandeen, D (Daksh)

#	Games	Start				End
1	4	Tournament HTS Welkom Open Chess Tournament 2025				Tournament HTS Welkom Open Chess Tournament 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Lesupi, P (Precious)				Opponent Michalakis, S (Stylianos)
2	2	Tournament Lejweleputswa 3rd Qualifieng Tournament 2024				Tournament Lejweleputswa 3rd Qualifieng Tournament 2024
		date 2024-04-20	rnd 3	type Standard	result 1	date 2024-04-20	rnd 4	type Standard	result 1
		Opponent Mofolo, L (Lesedi)				Opponent Bhagwandeen, D (Daksh)
3	2	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Lejweleputswa 3rd Qualifieng Tournament 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Mabija, O (Onele)				Opponent Van Wyk, S (Skai)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 4	type Blitz	result 1	date 2025-07-19	rnd 5	type Blitz	result 1
		Opponent Van Der Ross, E (Ezra)				Opponent Feng, SM (Sheng-Ming)

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	Bhagwandeen ,D (Daksh)	2	1	0	2	1	0	0	0	0	0	0	0
1	Bhagwandeen ,D (Daksh)	2	1363.8	1363.8	2	1360.8	1363.8	0	0	0	0	0	0
2	Tladi ,J (Junior)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Tladi ,J (Junior)	1	1267.1	842.1	1	1276.1	842.1	0	0	0	0	0	0
3	Pillay ,D (Deeyan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Pillay ,D (Deeyan)	1	1241.7	816.7	1	1245.3	816.7	0	0	0	0	0	0
4	Lesupi ,P (Precious)	1	1	425	1	1	425	0	0	0	0	0	0
4	Lesupi ,P (Precious)	1	644	1069	1	644	1069	0	0	0	0	0	0
5	Segoete ,O (Omphile)	1	1	425	1	1	425	0	0	0	0	0	0
5	Segoete ,O (Omphile)	1	1315.5	1740.5	1	1338.7	1740.5	0	0	0	0	0	0
6	Mokhothu ,N (Neo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mokhothu ,N (Neo)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Makhalanyane ,G (Gaopalelwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Makhalanyane ,G (Gaopalelwe)	1	1234.6	809.6	1	1239.6	809.6	0	0	0	0	0	0
8	Pillay ,D (Diveshan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Pillay ,D (Diveshan)	1	1618.3	1193.3	1	1629.4	1193.3	0	0	0	0	0	0
9	Williams ,S (Sergio)	1	1	425	1	1	425	0	0	0	0	0	0
9	Williams ,S (Sergio)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Taaibos ,B (Brain)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Taaibos ,B (Brain)	1	1206.4	1206.4	1	1184.8	1206.4	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

Van Der Ross, R (Ross)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms