Chess South Africa Ratings Database

PLAYER PAGE

Personal

Marais, L (Logan)

Chess SA id

1080153496

FIDE id

Date of birth

2008-12-28 (U18)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1171.1	1205.8	1124	1200
Raw rating	1171.1	1205.8	1124	1200
Weighted rating	1170.7	1205.4	1123.5	1200
Weighted performance	853.2	0	880.8	0
Floor	700	705.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	172.8	164.5	184.8	165.8
Highest rating	1200 2018-10-01	1239.4 2024-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1205.8 2024-06-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1204.9 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1239.4 2024-05-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1171.1	1205.8	1124	1200
Analysis
Rating	1171.1	1205.8	1124	1200
Raw rating	1171.1	1205.8	1124	1200
Weighted rating	1170.7	1205.4	1123.5
Weighted performance	853.2	0	880.8
K-factor	36	36	36	36
Floor	700	705.8	700	700
Max/Min rating change allowed	172.8	164.5	184.8	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	1171.1	1205.8	1124	1200
New weighted rating	1170.8	1205.5	1123.5	1200
New weighted performance	846.9	0	874.2	0
Temp new rating	1171.1	1205.8	1124	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1171.1	1205.8	1124	1200
New K-factor	36	36	36	36
New floor	700	705.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	21	2	19
	23	0	23
	0	0	0
	0	0	0
History	44	2	42

Games since
	Main 21	Standard 2		Rapid 19		Blitz 0
Gender	Male
Age group	U18
Region	Mangaung (FMB)
Province	Free State (FS)
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	20.5	46.59	-29	1177.6	1148.6
Standard	2	1	50	0	1268.2	1268.2
Rapid	42	19.5	46.43	-30.4	1173.3	1142.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1171.1	1205.8	1124	1200
2025-09-30	1171.1	1205.8	1124	1200
2025-09-01	1171.1	1205.8	1124	1200
2025-08-01	1171.1	1205.8	1124	1200
2025-07-01	1171.1	1205.8	1124	1200
2025-06-01	1171.1	1205.8	1124	1200
2025-05-01	1171.1	1205.8	1124	1200
2025-04-01	1171.1	1205.8	1124	1200
2025-03-01	1171.1	1205.8	1124	1200
2025-02-01	1171.1	1205.8	1124	1200
2025-01-01	1170.6	1205.8	1120.2	1200
2024-12-01	1170.6	1205.8	1120.2	1200
2024-11-01	1170.6	1205.8	1120.2	1200
2024-10-01	1170.6	1205.8	1120.2	1200
2024-09-01	1170.6	1205.8	1120.2	1200
2024-08-01	1170.6	1205.8	1120.2	1200
2024-07-01	1170.6	1205.8	1120.2	1200
2024-09-01	1170.6	1205.8	1120.2	1200
2024-05-01	1160.3	1200	1120.2	1200
2024-04-01	1160.3	1200	1120.2	1200
2024-03-01	1177.5	1200	1153.3	1200
2024-02-01	1185.2	1200	1167	1200
2024-01-01	1166	1200	1110.8	1200
2023-12-01	1166	1200	1110.8	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	Mangaung Metro Chess 10-11 May 2024 (B)	2024-05-10	2024-05-11	Standard	Mangaung (FMB)	5	2	1	Yes	Analysis
2	Bloemfontein Highschool League 2024 (U15B-U19B)	2024-03-08	2024-03-08	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
3	Mangaung Metro Chess 9 March 2024 (B)	2024-03-09	2024-03-09	Rapid	Mangaung (FMB)	5	4	1.5	Yes	Analysis
4	Bloemfontein High School League 16 February 2024 (U15B+U17B)	2024-02-16	2024-02-16	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
5	Bloemfontein High School League Tournament 26 January 2024 (U15B+U17B)	2024-01-26	2024-01-26	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
6	Bloemfontein HS League 13 October 2023 (U13+U15)	2023-10-13	2023-10-13	Rapid	Mangaung (FMB)	5	4	1	Yes	Analysis
7	Bloemfontein HS League 27 October 2023 (U13-U17)	2023-10-27	2023-10-27	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
8	St Andrews 19 August 2023 (B)	2023-08-19	2023-08-19	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
9	Bloemfontein League 25 August 2023 (U13+U15)	2023-08-25	2023-08-25	Rapid	Mangaung (FMB)	5	4	2	Yes	Analysis
10	Bloemfontein Highschool League 24 Feb 2023 (U17)	2023-02-24	2023-02-24	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Bloemfontein High School League Tournament 26 January 2024				Tournament Bloemfontein High School League 16 February 2024
		date 2024-01-26	rnd 4	type Rapid	result 1	date 2024-02-16	rnd 2	type Rapid	result 0.5
		Opponent Ogundeji, D (Demi)				Opponent Visser, M (Mikyla)
2	3	Tournament Bloemfontein HS League 27 October 2023				Tournament Bloemfontein High School League Tournament 26 January 2024
		date 2023-10-27	rnd 5	type Rapid	result 1	date 2024-01-26	rnd 2	type Rapid	result 1
		Opponent Rametsi, O (Oarabile)				Opponent Mqakelana, I (Iminathi)
3	2	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 10-11 May 2024
		date 2024-03-09	rnd 5	type Rapid	result 0.5	date 2024-05-10	rnd 1	type Standard	result 1
		Opponent Steyn, W (Willem)				Opponent Redguard, J (Jermaine)

#	Games	Start				End
1	1	Tournament Mangaung Metro Chess 10-11 May 2024				Tournament Mangaung Metro Chess 10-11 May 2024
		date 2024-05-10	rnd 1	type Standard	result 1	date 2024-05-10	rnd 1	type Standard	result 1
		Opponent Redguard, J (Jermaine)				Opponent Redguard, J (Jermaine)

#	Games	Start				End
1	4	Tournament Bloemfontein High School League Tournament 26 January 2024				Tournament Bloemfontein High School League 16 February 2024
		date 2024-01-26	rnd 4	type Rapid	result 1	date 2024-02-16	rnd 2	type Rapid	result 0.5
		Opponent Ogundeji, D (Demi)				Opponent Visser, M (Mikyla)
2	3	Tournament Bloemfontein HS League 27 October 2023				Tournament Bloemfontein High School League Tournament 26 January 2024
		date 2023-10-27	rnd 5	type Rapid	result 1	date 2024-01-26	rnd 2	type Rapid	result 1
		Opponent Rametsi, O (Oarabile)				Opponent Mqakelana, I (Iminathi)
3	2	Tournament Bloemfontein League 25 August 2023				Tournament Bloemfontein League 25 August 2023
		date 2023-08-25	rnd 3	type Rapid	result 1	date 2023-08-25	rnd 4	type Rapid	result 1
		Opponent Lipheko, G (Gorgeous)				Opponent Zhu, E (Eric)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Bloemfontein HS League 27 October 2023				Tournament Bloemfontein High School League Tournament 26 January 2024
		date 2023-10-27	rnd 5	type Rapid	result 1	date 2024-01-26	rnd 2	type Rapid	result 1
		Opponent Rametsi, O (Oarabile)				Opponent Mqakelana, I (Iminathi)
2	2	Tournament Bloemfontein High School League Tournament 26 January 2024				Tournament Bloemfontein High School League Tournament 26 January 2024
		date 2024-01-26	rnd 4	type Rapid	result 1	date 2024-01-26	rnd 5	type Rapid	result 1
		Opponent Ogundeji, D (Demi)				Opponent Van Schalkwyk, J (Jaimie-Lee)
3	2	Tournament Bloemfontein League 25 August 2023				Tournament Bloemfontein League 25 August 2023
		date 2023-08-25	rnd 3	type Rapid	result 1	date 2023-08-25	rnd 4	type Rapid	result 1
		Opponent Lipheko, G (Gorgeous)				Opponent Zhu, E (Eric)

#	Games	Start				End
1	1	Tournament Mangaung Metro Chess 10-11 May 2024				Tournament Mangaung Metro Chess 10-11 May 2024
		date 2024-05-10	rnd 1	type Standard	result 1	date 2024-05-10	rnd 1	type Standard	result 1
		Opponent Redguard, J (Jermaine)				Opponent Redguard, J (Jermaine)

#	Games	Start				End
1	3	Tournament Bloemfontein HS League 27 October 2023				Tournament Bloemfontein High School League Tournament 26 January 2024
		date 2023-10-27	rnd 5	type Rapid	result 1	date 2024-01-26	rnd 2	type Rapid	result 1
		Opponent Rametsi, O (Oarabile)				Opponent Mqakelana, I (Iminathi)
2	2	Tournament Bloemfontein High School League Tournament 26 January 2024				Tournament Bloemfontein High School League Tournament 26 January 2024
		date 2024-01-26	rnd 4	type Rapid	result 1	date 2024-01-26	rnd 5	type Rapid	result 1
		Opponent Ogundeji, D (Demi)				Opponent Van Schalkwyk, J (Jaimie-Lee)
3	2	Tournament Bloemfontein League 25 August 2023				Tournament Bloemfontein League 25 August 2023
		date 2023-08-25	rnd 3	type Rapid	result 1	date 2023-08-25	rnd 4	type Rapid	result 1
		Opponent Lipheko, G (Gorgeous)				Opponent Zhu, E (Eric)

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	Mqakelana ,I (Iminathi)	2	2	425	0	0	0	2	2	425	0	0	0
1	Mqakelana ,I (Iminathi)	2	1151.8	1576.8	0	0	0	2	1149.2	1576.8	0	0	0
2	Beelders ,K (Kyra)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Beelders ,K (Kyra)	2	1127.9	702.9	0	0	0	2	1006.3	702.9	0	0	0
3	Mafela ,T (Tshiamo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mafela ,T (Tshiamo)	1	1292.7	867.7	1	1270.4	867.7	0	0	0	0	0	0
4	Van Schalkwyk ,J (Jaimie-Lee)	1	1	425	0	0	0	1	1	425	0	0	0
4	Van Schalkwyk ,J (Jaimie-Lee)	1	1103.1	1528.1	0	0	0	1	1054.8	1528.1	0	0	0
5	Mokoena ,T (Tshepo)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Mokoena ,T (Tshepo)	1	1310.7	885.7	0	0	0	1	1390.7	885.7	0	0	0
6	Lipheko ,G (Gorgeous)	1	1	425	0	0	0	1	1	425	0	0	0
6	Lipheko ,G (Gorgeous)	1	1138.4	1563.4	0	0	0	1	1113.6	1563.4	0	0	0
7	Majiba ,K (Khayisile)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Majiba ,K (Khayisile)	1	1222.9	797.9	0	0	0	1	1200	797.9	0	0	0
8	Pretorius ,A (Ane)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Pretorius ,A (Ane)	1	1206.6	781.6	0	0	0	1	724.8	781.6	0	0	0
9	Tjalkosi ,V (Vuyo)	1	1	425	0	0	0	1	1	425	0	0	0
9	Tjalkosi ,V (Vuyo)	1	1193.6	1618.6	0	0	0	1	1158.8	1618.6	0	0	0
10	Van Zyl ,C (Christiaan)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Van Zyl ,C (Christiaan)	1	1193.2	768.2	0	0	0	1	1169.2	768.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Marais, L (Logan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms