Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzer, L (Louis)

Chess SA id

1080145455

FIDE id

Date of birth

2008-12-17 (U18)

Gender

Male

Region

Mangaung (FMB)

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	1180.5	1150.3	1225.5	1200
Raw rating	1180.5	1150.3	1225.5	1200
Weighted rating	1175.7	1145.6	1220.8	1200
Weighted performance	912.7	0	921.3	0
Floor	733.7	700	774.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.5	178	159.9	165.8
Highest rating	1233.7 2024-02-01	1200 2018-10-01	1281.8 2023-02-01	1200 2018-10-01
Highest raw rating	1233.7 2024-02-01	1200 2024-02-01	1274.3 2024-02-01	1200 2024-02-01
Highest weighted rating	1233.7 2024-02-01	1200 2018-10-01	1274.3 2024-07-01	1200 2018-10-01
Highest weighted performance	1226.3 2023-02-01	1200 2020-01-01	1281.8 2023-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1180.5	1150.3	1225.5	1200
Analysis
Rating	1180.5	1150.3	1225.5	1200
Raw rating	1180.5	1150.3	1225.5	1200
Weighted rating	1175.7	1145.6	1220.8
Weighted performance	912.7	0	921.3
K-factor	36	36	36	36
Floor	733.7	700	774.3	700
Max/Min rating change allowed	170.5	178	159.9	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	1180.5	1150.3	1225.5	1200
New weighted rating	1175.6	1145.6	1220.5	1200
New weighted performance	912.4	0	920.9	0
Temp new rating	1180.5	1150.3	1225.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1180.5	1150.3	1225.5	1200
New K-factor	36	36	36	36
New floor	733.7	700	774.3	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	15	5	10
	15	0	15
	10	0	10
	0	0	0
History	45	10	35

Games since
	Main 30	Standard 10		Rapid 20		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	1473		51		48
Male	1161		47		44
U18	181		21		21
U18 Male	159		20		20
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	5	1.5	30	-170	1344.4	1174.4
Standard	5	1.5	30	-170	1344.4	1174.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	45	21	46.67	-28.3	1210.2	1181.9
Standard	10	2.5	25	-212.5	1238.2	1025.7
Rapid	35	18.5	52.86	24.3	1202.2	1226.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1180.5	1150.3	1225.5	1200
2025-09-01	1180.5	1150.3	1225.5	1200
2025-08-01	1180.5	1150.3	1225.5	1200
2025-07-01	1180.5	1150.3	1225.5	1200
2025-06-01	1180.5	1150.3	1225.5	1200
2025-05-01	1180.5	1150.3	1225.5	1200
2025-04-01	1180.5	1150.3	1225.5	1200
2025-03-01	1180.5	1150.3	1225.5	1200
2025-02-01	1180.2	1150.4	1223.8	1200
2025-01-01	1157.9	1133	1188.3	1200
2024-12-01	1157.9	1133	1188.3	1200
2024-11-01	1157.9	1133	1188.3	1200
2024-10-01	1157.9	1133	1188.3	1200
2024-09-01	1157.9	1133	1188.3	1200
2024-08-01	1169	1133	1232.9	1200
2024-07-01	1169	1133	1232.9	1200
2024-06-01	1169	1133	1232.9	1200
2024-08-01	1169	1133	1232.9	1200
2024-04-01	1169	1133	1232.9	1200
2024-03-01	1173.9	1133	1274.3	1200
2024-02-01	1233.7	1200	1274.3	1200
2024-01-01	1233.7	1200	1274.3	1200
2023-12-01	1233.7	1200	1274.3	1200
2023-11-01	1233.7	1200	1274.3	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	Grey College Team Championship 2025 (Prestige)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Grey College Team Championship 2025 (Prestige)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
2	Bloemfontein Highschool League 02 Aug 2024 (U17A)	2024-08-02	2024-08-02	Rapid	Mangaung (FMB)	5	5	1.5	Yes	Analysis
3	Bloemfontein Highschool League 2024 (U17A)	2024-03-08	2024-03-08	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
4	Grey College Team Championship 2024 (B)	2024-02-23	2024-02-24	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
5	Bloemfontein HS League 13 October 2023 (U13+U15)	2023-10-13	2023-10-13	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
6	Bloemfontein HS League 27 October 2023 (U13-U17)	2023-10-27	2023-10-27	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
7	Bloemfontein Highschool League 24 Feb 2023 (U13+U15)	2023-02-24	2023-02-24	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
8	Bloemfontein School League 2022 (U15+U17)	2022-08-12	2022-08-12	Rapid	Mangaung (FMB)	5	5	2.5	Yes	Analysis
9	School League 2022 (U13+U15)	2022-07-29	2022-07-29	Rapid	Mangaung (FMB)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Bloemfontein School League 2022				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2022-08-12	rnd 3	type Rapid	result 1	date 2023-02-24	rnd 3	type Rapid	result 1
		Opponent Ogundeji, T (Tomisin)				Opponent Jacobs, L (Luciano)
2	3	Tournament Bloemfontein Highschool League 2024				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2024-03-08	rnd 5	type Rapid	result 1	date 2024-08-02	rnd 2	type Rapid	result 0.5
		Opponent Mabule, B (Botshelo)				Opponent Raphoko, S (Sebabotso)
3	3	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein HS League 13 October 2023
		date 2023-02-24	rnd 5	type Rapid	result 1	date 2023-10-13	rnd 2	type Rapid	result 1
		Opponent Moletsane, T (Tshimologo)				Opponent Marogoa, G (Gaopalelwe)

#	Games	Start				End
1	1	Tournament Grey College Team Championship 2025				Tournament Grey College Team Championship 2025
		date 2025-02-22	rnd 5	type Standard	result 0.5	date 2025-02-22	rnd 5	type Standard	result 0.5
		Opponent Melville, J (Jason)				Opponent Melville, J (Jason)
2	1	Tournament Grey College Team Championship 2025				Tournament Grey College Team Championship 2025
		date 2025-02-21	rnd 3	type Standard	result 1	date 2025-02-21	rnd 3	type Standard	result 1
		Opponent Struwig, A (Alex)				Opponent Struwig, A (Alex)
3	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 2	type Standard	result 1	date 2024-02-23	rnd 2	type Standard	result 1
		Opponent Van Den Berg, S (Sebastian)				Opponent Van Den Berg, S (Sebastian)

#	Games	Start				End
1	6	Tournament Bloemfontein School League 2022				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2022-08-12	rnd 3	type Rapid	result 1	date 2023-02-24	rnd 3	type Rapid	result 1
		Opponent Ogundeji, T (Tomisin)				Opponent Jacobs, L (Luciano)
2	3	Tournament Bloemfontein Highschool League 2024				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2024-03-08	rnd 5	type Rapid	result 1	date 2024-08-02	rnd 2	type Rapid	result 0.5
		Opponent Mabule, B (Botshelo)				Opponent Raphoko, S (Sebabotso)
3	3	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein HS League 13 October 2023
		date 2023-02-24	rnd 5	type Rapid	result 1	date 2023-10-13	rnd 2	type Rapid	result 1
		Opponent Moletsane, T (Tshimologo)				Opponent Marogoa, G (Gaopalelwe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Bloemfontein School League 2022				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2022-08-12	rnd 5	type Rapid	result 1	date 2023-02-24	rnd 3	type Rapid	result 1
		Opponent Weng, Q (Qi)				Opponent Jacobs, L (Luciano)
2	3	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein HS League 13 October 2023
		date 2023-02-24	rnd 5	type Rapid	result 1	date 2023-10-13	rnd 2	type Rapid	result 1
		Opponent Moletsane, T (Tshimologo)				Opponent Marogoa, G (Gaopalelwe)
3	2	Tournament Bloemfontein Highschool League 2024				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2024-03-08	rnd 5	type Rapid	result 1	date 2024-08-02	rnd 1	type Rapid	result 1
		Opponent Mabule, B (Botshelo)				Opponent Tjalkosi, V (Vuyo)

#	Games	Start				End
1	1	Tournament Grey College Team Championship 2025				Tournament Grey College Team Championship 2025
		date 2025-02-21	rnd 3	type Standard	result 1	date 2025-02-21	rnd 3	type Standard	result 1
		Opponent Struwig, A (Alex)				Opponent Struwig, A (Alex)
2	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 2	type Standard	result 1	date 2024-02-23	rnd 2	type Standard	result 1
		Opponent Van Den Berg, S (Sebastian)				Opponent Van Den Berg, S (Sebastian)

#	Games	Start				End
1	4	Tournament Bloemfontein School League 2022				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2022-08-12	rnd 5	type Rapid	result 1	date 2023-02-24	rnd 3	type Rapid	result 1
		Opponent Weng, Q (Qi)				Opponent Jacobs, L (Luciano)
2	3	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein HS League 13 October 2023
		date 2023-02-24	rnd 5	type Rapid	result 1	date 2023-10-13	rnd 2	type Rapid	result 1
		Opponent Moletsane, T (Tshimologo)				Opponent Marogoa, G (Gaopalelwe)
3	2	Tournament Bloemfontein Highschool League 2024				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2024-03-08	rnd 5	type Rapid	result 1	date 2024-08-02	rnd 1	type Rapid	result 1
		Opponent Mabule, B (Botshelo)				Opponent Tjalkosi, V (Vuyo)

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	Struwig ,A (Alex)	2	2	425	1	1	425	1	1	425	0	0	0
1	Struwig ,A (Alex)	2	1245.4	1670.4	1	1271.6	1670.4	1	1200	1670.4	0	0	0
2	Weng ,Q (Qi)	2	1	0	0	0	0	2	1	0	0	0	0
2	Weng ,Q (Qi)	2	1309.5	1309.5	0	0	0	2	1348.2	1309.5	0	0	0
3	Mokhachane ,K (Kgalalelo)	2	2	425	0	0	0	2	2	425	0	0	0
3	Mokhachane ,K (Kgalalelo)	2	1149.4	1574.4	0	0	0	2	1182.8	1574.4	0	0	0
4	Moletsane ,T (Tshimologo)	2	2	425	0	0	0	2	2	425	0	0	0
4	Moletsane ,T (Tshimologo)	2	1141.2	1566.2	0	0	0	2	1153.6	1566.2	0	0	0
5	Marogoa ,G (Gaopalelwe)	2	1	0	0	0	0	2	1	0	0	0	0
5	Marogoa ,G (Gaopalelwe)	2	1267.1	1267.1	0	0	0	2	1297.3	1267.1	0	0	0
6	De Klerk ,J (Jana)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	De Klerk ,J (Jana)	1	1079.2	654.2	1	1056.8	654.2	0	0	0	0	0	0
7	Burger ,I (Izak Ulrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Burger ,I (Izak Ulrich)	1	1384.9	959.9	1	1393.4	959.9	0	0	0	0	0	0
8	Smit ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Smit ,L (Liam)	1	1325.5	900.5	1	1331.4	900.5	0	0	0	0	0	0
9	Van Der Westernzen ,C (Chris)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Van Der Westernzen ,C (Chris)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Marais ,L (Logan)	1	1	425	0	0	0	1	1	425	0	0	0
10	Marais ,L (Logan)	1	1171.3	1596.3	0	0	0	1	1110.4	1596.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Coetzer, L (Louis)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms