Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ross, LR (Lyall Ronald)

Chess SA id

103060430

FIDE id

Date of birth

2003-03-19 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1176.2	1172.1	1200	1200
Raw rating	1176.2	1172.1	1200	1200
Weighted rating	1176.2	1172.1	1200	1200
Weighted performance	271.3	270.5	0	0
Floor	725.2	730.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	171.5	172.5	165.8	165.8
Highest rating	1352.7 2018-04-01	1350.1 2018-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1225.2 2018-05-01	1230.4 2018-05-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1225.2 2018-06-01	1230.4 2018-06-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1352.7 2018-04-01	1350.1 2018-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1176.2	1172.1	1200	1200
Analysis
Rating	1176.2	1172.1	1200	1200
Raw rating	1176.2	1172.1	1200	1200
Weighted rating	1176.2	1172.1	1200
Weighted performance	271.3	270.5	0
K-factor	36	36	36	36
Floor	725.2	730.4	700	700
Max/Min rating change allowed	171.5	172.5	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	1176.2	1172.1	1200	1200
New weighted rating	1176.2	1172.1	1200	1200
New weighted performance	264.4	263.7	0	0
Temp new rating	1176.2	1172.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1176.2	1172.1	1200	1200
New K-factor	36	36	36	36
New floor	725.2	730.4	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	36	36

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	31	16	51.61	13.7	1147.7	1161.4
Standard	31	16	51.61	13.7	1147.7	1161.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1176.2	1172.1	1200	1200
2025-09-30	1176.2	1172.1	1200	1200
2025-09-01	1176.2	1172.1	1200	1200
2025-08-01	1176.2	1172.1	1200	1200
2025-07-01	1176.2	1172.1	1200	1200
2025-06-01	1176.2	1172.1	1200	1200
2025-05-01	1176.2	1172.1	1200	1200
2025-04-01	1176.2	1172.1	1200	1200
2025-03-01	1176.2	1172.1	1200	1200
2025-02-01	1176.2	1172.1	1200	1200
2025-01-01	1176.2	1172.1	1200	1200
2024-12-01	1176.2	1172.1	1200	1200
2024-11-01	1176.2	1172.1	1200	1200
2024-10-01	1176.2	1172.1	1200	1200
2024-09-01	1176.2	1172.1	1200	1200
2024-08-01	1176.2	1172.1	1200	1200
2024-07-01	1176.2	1172.1	1200	1200
2024-09-01	1176.2	1172.1	1200	1200
2024-05-01	1176.2	1172.1	1200	1200
2024-04-01	1176.2	1172.1	1200	1200
2024-03-01	1176.2	1172.1	1200	1200
2024-02-01	1176.2	1172.1	1200	1200
2024-01-01	1176.2	1172.1	1200	1200
2023-12-01	1176.2	1172.1	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	Hoerskool Drie Riviere 2020 (A+B)	2020-03-07	2020-03-07	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
2	2019 Gauteng School League Finals (U17 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	D7 High School League 2019 (U17)	2019-08-03	2019-08-03	Standard	Sedibeng (GSV)	6	4	1	Yes	Analysis
4	Drie Riviere Open 2019 (B)	2019-06-08	2019-06-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
5	D7 Individuals 2019 (U17 Boys)	2019-05-04	2019-05-04	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
6	Hoerskool Drie Riviere Open 2018 (B)	2018-06-09	2018-06-09	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
7	2018 D7 Teams (U17)	2018-04-21	2018-04-21	Standard	Sedibeng (GSV)	5	4	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Drie Riviere Open 2019				Tournament Drie Riviere Open 2019
		date 2019-06-08	rnd 3	type Standard	result 1	date 2019-06-08	rnd 5	type Standard	result 1
		Opponent Gill, B (Brendon)				Opponent Van Rensburg, NC (Nicolaos)
2	3	Tournament 2018 D7 Teams				Tournament 2018 D7 Teams
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 4	type Standard	result 1
		Opponent Reichert, JP (Johannes)				Opponent De Villiers, L (Lisa Marie)
3	2	Tournament Hoerskool Drie Riviere 2020				Tournament Hoerskool Drie Riviere 2020
		date 2020-03-07	rnd 2	type Standard	result 1	date 2020-03-07	rnd 3	type Standard	result 1
		Opponent Adonis, R (Rven)				Opponent De Villiers, L (Lindie)

#	Games	Start				End
1	3	Tournament Drie Riviere Open 2019				Tournament Drie Riviere Open 2019
		date 2019-06-08	rnd 3	type Standard	result 1	date 2019-06-08	rnd 5	type Standard	result 1
		Opponent Gill, B (Brendon)				Opponent Van Rensburg, NC (Nicolaos)
2	3	Tournament 2018 D7 Teams				Tournament 2018 D7 Teams
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 4	type Standard	result 1
		Opponent Reichert, JP (Johannes)				Opponent De Villiers, L (Lisa Marie)
3	2	Tournament Hoerskool Drie Riviere 2020				Tournament Hoerskool Drie Riviere 2020
		date 2020-03-07	rnd 2	type Standard	result 1	date 2020-03-07	rnd 3	type Standard	result 1
		Opponent Adonis, R (Rven)				Opponent De Villiers, L (Lindie)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Drie Riviere Open 2019				Tournament Drie Riviere Open 2019
		date 2019-06-08	rnd 3	type Standard	result 1	date 2019-06-08	rnd 5	type Standard	result 1
		Opponent Gill, B (Brendon)				Opponent Van Rensburg, NC (Nicolaos)
2	3	Tournament 2018 D7 Teams				Tournament 2018 D7 Teams
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 4	type Standard	result 1
		Opponent Reichert, JP (Johannes)				Opponent De Villiers, L (Lisa Marie)
3	2	Tournament Hoerskool Drie Riviere 2020				Tournament Hoerskool Drie Riviere 2020
		date 2020-03-07	rnd 2	type Standard	result 1	date 2020-03-07	rnd 3	type Standard	result 1
		Opponent Adonis, R (Rven)				Opponent De Villiers, L (Lindie)

#	Games	Start				End
1	3	Tournament Drie Riviere Open 2019				Tournament Drie Riviere Open 2019
		date 2019-06-08	rnd 3	type Standard	result 1	date 2019-06-08	rnd 5	type Standard	result 1
		Opponent Gill, B (Brendon)				Opponent Van Rensburg, NC (Nicolaos)
2	3	Tournament 2018 D7 Teams				Tournament 2018 D7 Teams
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 4	type Standard	result 1
		Opponent Reichert, JP (Johannes)				Opponent De Villiers, L (Lisa Marie)
3	2	Tournament Hoerskool Drie Riviere 2020				Tournament Hoerskool Drie Riviere 2020
		date 2020-03-07	rnd 2	type Standard	result 1	date 2020-03-07	rnd 3	type Standard	result 1
		Opponent Adonis, R (Rven)				Opponent De Villiers, L (Lindie)

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	Mkwanazi ,B (Bohlokwa)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Mkwanazi ,B (Bohlokwa)	3	1200	1341.7	3	1200	1341.7	0	0	0	0	0	0
2	Emanuel ,P (Prithee)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Emanuel ,P (Prithee)	2	1315.1	890.1	2	1310.7	890.1	0	0	0	0	0	0
3	Freedman ,L (Liron)	2	1	0	2	1	0	0	0	0	0	0	0
3	Freedman ,L (Liron)	2	1197.3	1197.3	2	1195.4	1197.3	0	0	0	0	0	0
4	Motsoari ,K (Kabelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Motsoari ,K (Kabelo)	1	1128.3	703.3	1	1110.8	703.3	0	0	0	0	0	0
5	Adonis ,R (Rven)	1	1	425	1	1	425	0	0	0	0	0	0
5	Adonis ,R (Rven)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	De Villiers ,L (Lisa Marie)	1	1	425	1	1	425	0	0	0	0	0	0
6	De Villiers ,L (Lisa Marie)	1	993.3	1418.3	1	996.6	1418.3	0	0	0	0	0	0
7	Ledwaba ,T (Thabang)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ledwaba ,T (Thabang)	1	894	1319	1	865.3	1319	0	0	0	0	0	0
8	Minnaar ,JP (Jaun Pierre)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Minnaar ,JP (Jaun Pierre)	1	1254.1	829.1	1	1255.6	829.1	0	0	0	0	0	0
9	Van Rensburg ,NC (Nicolaos)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Rensburg ,NC (Nicolaos)	1	924.7	1349.7	1	926.7	1349.7	0	0	0	0	0	0
10	Masie ,S (Sizwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Masie ,S (Sizwe)	1	1096.7	671.7	1	1078	671.7	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

Ross, LR (Lyall Ronald)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms