Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lemmer, R (Ruan)

Chess SA id

1100160236

FIDE id

Date of birth

2010-02-18 (U16)

Gender

Male

Region

King Cetshwayo (KUR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1208.4	1259.8	1137.3	1200
Raw rating	1208.4	1259.8	1137.3	1200
Weighted rating	1207.9	1259.8	1135.1	1200
Weighted performance	0	0	0	0
Floor	749	759.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.8	152.3	181.3	165.8
Highest rating	1337.5 2023-09-01	1341.6 2023-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1249 2023-10-01	1259.8 2024-03-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1249 2024-09-01	1259.8 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1337.5 2023-09-01	1341.6 2023-09-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1208.4	1259.8	1137.3	1200
Analysis
Rating	1208.4	1259.8	1137.3	1200
Raw rating	1208.4	1259.8	1137.3	1200
Weighted rating	1207.9	1259.8	1135.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	749	759.8	700	700
Max/Min rating change allowed	163.8	152.3	181.3	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	1208.4	1259.8	1137.3	1200
New weighted rating	1208	1259.8	1135.4	1200
New weighted performance	0	0	0	0
Temp new rating	1208.4	1259.8	1137.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1208.4	1259.8	1137.3	1200
New K-factor	36	36	36	36
New floor	749	759.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	16	12	4
	0	0	0
	0	0	0
History	16	12	4

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	King Cetshwayo (KUR)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	16	6	37.5	-106.2	1297.8	1191.6
Standard	12	6	50	0	1330.5	1330.5
Rapid	4	0	0	-425	1200	775
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1208.4	1259.8	1137.3	1200
2025-09-30	1208.4	1259.8	1137.3	1200
2025-09-01	1208.4	1259.8	1137.3	1200
2025-08-01	1208.4	1259.8	1137.3	1200
2025-07-01	1208.4	1259.8	1137.3	1200
2025-06-01	1208.4	1259.8	1137.3	1200
2025-05-01	1208.4	1259.8	1137.3	1200
2025-04-01	1208.4	1259.8	1137.3	1200
2025-03-01	1208.4	1259.8	1137.3	1200
2025-02-01	1208.4	1259.8	1137.3	1200
2025-01-01	1207	1259.8	1130.9	1200
2024-12-01	1207	1259.8	1130.9	1200
2024-11-01	1207	1259.8	1130.9	1200
2024-10-01	1207	1259.8	1130.9	1200
2024-09-01	1207	1259.8	1130.9	1200
2024-08-01	1207	1259.8	1130.9	1200
2024-07-01	1207	1259.8	1130.9	1200
2024-09-01	1207	1259.8	1130.9	1200
2024-05-01	1207	1259.8	1130.9	1200
2024-04-01	1207	1259.8	1130.9	1200
2024-03-01	1207	1259.8	1130.9	1200
2024-02-01	1207	1259.8	1130.9	1200
2024-01-01	1207	1259.8	1130.9	1200
2023-12-01	1207	1259.8	1130.9	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	2024 King Cetshwayo Chess Open (B)	2024-02-17	2024-02-18	Standard	King Cetshwayo (KUR)	7	0	0	No	Analysis
2	2023 King Cetshwayo Junior & Intermediate Chess Tournament (U14)	2023-10-28	2023-10-28	Rapid	King Cetshwayo (KUR)	5	4	0	Yes	Analysis
3	UniZulu Tournament 2023 (U14)	2023-09-23	2023-09-23	Standard	King Cetshwayo (KUR)	6	6	3	Yes	Analysis
4	2023 King Cetshwayo Winter Open (U14)	2023-07-29	2023-07-30	Standard	King Cetshwayo (KUR)	7	6	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament UniZulu Tournament 2023				Tournament UniZulu Tournament 2023
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-23	rnd 3	type Standard	result 1
		Opponent Makaal, T (Tian)				Opponent Hlabisa, S (Siyemthemba)
2	1	Tournament UniZulu Tournament 2023				Tournament UniZulu Tournament 2023
		date 2023-09-23	rnd 5	type Standard	result 1	date 2023-09-23	rnd 5	type Standard	result 1
		Opponent Smit, C (Cj)				Opponent Smit, C (Cj)
3	1	Tournament 2023 King Cetshwayo Winter Open				Tournament 2023 King Cetshwayo Winter Open
		date 2023-07-30	rnd 6	type Standard	result 1	date 2023-07-30	rnd 6	type Standard	result 1
		Opponent Van Der Walt, F (Francois)				Opponent Van Der Walt, F (Francois)

#	Games	Start				End
1	2	Tournament UniZulu Tournament 2023				Tournament UniZulu Tournament 2023
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-23	rnd 3	type Standard	result 1
		Opponent Makaal, T (Tian)				Opponent Hlabisa, S (Siyemthemba)
2	1	Tournament UniZulu Tournament 2023				Tournament UniZulu Tournament 2023
		date 2023-09-23	rnd 5	type Standard	result 1	date 2023-09-23	rnd 5	type Standard	result 1
		Opponent Smit, C (Cj)				Opponent Smit, C (Cj)
3	1	Tournament 2023 King Cetshwayo Winter Open				Tournament 2023 King Cetshwayo Winter Open
		date 2023-07-30	rnd 6	type Standard	result 1	date 2023-07-30	rnd 6	type Standard	result 1
		Opponent Van Der Walt, F (Francois)				Opponent Van Der Walt, F (Francois)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament UniZulu Tournament 2023				Tournament UniZulu Tournament 2023
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-23	rnd 3	type Standard	result 1
		Opponent Makaal, T (Tian)				Opponent Hlabisa, S (Siyemthemba)
2	1	Tournament UniZulu Tournament 2023				Tournament UniZulu Tournament 2023
		date 2023-09-23	rnd 5	type Standard	result 1	date 2023-09-23	rnd 5	type Standard	result 1
		Opponent Smit, C (Cj)				Opponent Smit, C (Cj)
3	1	Tournament 2023 King Cetshwayo Winter Open				Tournament 2023 King Cetshwayo Winter Open
		date 2023-07-30	rnd 6	type Standard	result 1	date 2023-07-30	rnd 6	type Standard	result 1
		Opponent Van Der Walt, F (Francois)				Opponent Van Der Walt, F (Francois)

#	Games	Start				End
1	2	Tournament UniZulu Tournament 2023				Tournament UniZulu Tournament 2023
		date 2023-09-23	rnd 2	type Standard	result 1	date 2023-09-23	rnd 3	type Standard	result 1
		Opponent Makaal, T (Tian)				Opponent Hlabisa, S (Siyemthemba)
2	1	Tournament UniZulu Tournament 2023				Tournament UniZulu Tournament 2023
		date 2023-09-23	rnd 5	type Standard	result 1	date 2023-09-23	rnd 5	type Standard	result 1
		Opponent Smit, C (Cj)				Opponent Smit, C (Cj)
3	1	Tournament 2023 King Cetshwayo Winter Open				Tournament 2023 King Cetshwayo Winter Open
		date 2023-07-30	rnd 6	type Standard	result 1	date 2023-07-30	rnd 6	type Standard	result 1
		Opponent Van Der Walt, F (Francois)				Opponent Van Der Walt, F (Francois)

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	Makaal ,T (Tian)	1	1	425	1	1	425	0	0	0	0	0	0
1	Makaal ,T (Tian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Gqibitole ,WO (Wonga)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Gqibitole ,WO (Wonga)	1	1363.8	938.8	1	1388.5	938.8	0	0	0	0	0	0
3	Smit ,C (Cj)	1	1	425	1	1	425	0	0	0	0	0	0
3	Smit ,C (Cj)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Opperman ,E (Eagan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Opperman ,E (Eagan)	1	1342.5	917.5	1	1347.6	917.5	0	0	0	0	0	0
5	Mahadeo ,S (Shreeya)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mahadeo ,S (Shreeya)	1	1581.1	1156.1	1	1536.3	1156.1	0	0	0	0	0	0
6	Dladla ,M (Melusi)	1	1	425	1	1	425	0	0	0	0	0	0
6	Dladla ,M (Melusi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Budhram ,K (Kaylee)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Budhram ,K (Kaylee)	1	1632	1207	1	1679	1207	0	0	0	0	0	0
8	Hlabisa ,S (Siyemthemba)	1	1	425	1	1	425	0	0	0	0	0	0
8	Hlabisa ,S (Siyemthemba)	1	1192.9	1617.9	1	1191.4	1617.9	0	0	0	0	0	0
9	Govender ,TK (Trivae)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Govender ,TK (Trivae)	1	1500.5	1075.5	1	1488.4	1075.5	0	0	0	0	0	0
10	Van Der Walt ,F (Francois)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Der Walt ,F (Francois)	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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PLAYER PAGE

Personal

Lemmer, R (Ruan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms