Chess South Africa Ratings Database

PLAYER PAGE

Personal

Strauss, A (Alexander Johannes)

Chess SA id

1150162581

FIDE id

Date of birth

2015-03-31 (U12)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1176.1

Item	Main	Standard	Rapid	Blitz
Rating	1217.5	1254.8	1143.8	1200
Raw rating	1216.1	1242.3	1143.8	1200
Weighted rating	1217.5	1254.8	1140.3	1200
Weighted performance	1138.8	0	0	0
Floor	739.5	788.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.1	156.1	179.6	165.8
Highest rating	1239.5 2024-09-01	1622.2 2024-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1239.5 2024-09-01	1288.9 2024-09-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1239.5 2018-10-01	1254.4 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1230.7 2024-08-01	1622.2 2024-08-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	1	-0	0	0
New rating	1218.5	1254.7	1143.8	1200
Analysis
Rating	1217.5	1254.8	1143.8	1200
Raw rating	1216.1	1242.3	1143.8	1200
Weighted rating	1217.5	1254.8	1140.3
Weighted performance	1138.8	0	0
K-factor	36	36	36	36
Floor	739.5	788.9	700	700
Max/Min rating change allowed	162.1	156.1	179.6	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	1216.1	1242.3	1143.8	1200
New weighted rating	1218.5	1254.7	1140.6	1200
New weighted performance	1131.6	0	0	0
Temp new rating	1218.5	1254.7	1143.8	1200
Temp new rating +/-	1	-0	0	0
Final new rating +/-	1	-0	0	0
New rating	1218.5	1254.7	1143.8	1200
New K-factor	36	36	36	36
New floor	739.5	788.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	15	15	0
	15	5	10
	4	0	4
	0	0	0
	0	0	0
History	34	20	14

Games since
	Main 30	Standard 20		Rapid 10		Blitz 0
Gender	Male
Age group	U12
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	15	7	46.67	-28.3	1218.7	1190.3
Standard	15	7	46.67	-28.3	1218.7	1190.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	34	17.5	51.47	12.5	1187.1	1199.6
Standard	20	12	60	85	1211.5	1296.5
Rapid	14	5.5	39.29	-91.1	1152.1	1061.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1216.1	1242.3	1143.8	1200
2025-09-30	1216.1	1242.3	1143.8	1200
2025-09-01	1216.1	1242.3	1143.8	1200
2025-08-01	1229.5	1262.8	1143.8	1200
2025-07-01	1229.5	1262.8	1143.8	1200
2025-06-01	1229.5	1262.8	1143.8	1200
2025-05-01	1229.5	1262.8	1143.8	1200
2025-04-01	1229.5	1262.8	1143.8	1200
2025-03-01	1218.9	1255.2	1143.8	1200
2025-02-01	1239.5	1288.9	1143.8	1200
2025-01-01	1239.5	1288.9	1134.1	1200
2024-12-01	1239.5	1288.9	1134.1	1200
2024-11-01	1239.5	1288.9	1134.1	1200
2024-10-01	1239.5	1288.9	1134.1	1200
2024-09-01	1239.5	1288.9	1134.1	1200
2024-08-01	1156.9	1200	1134.1	1200
2024-07-01	1156.9	1200	1134.1	1200
2024-09-01	1156.9	1200	1134.1	1200
2024-05-01	1156.9	1200	1134.1	1200
2024-04-01	1156.9	1200	1134.1	1200
2024-03-01	1147.6	1200	1112.9	1200
2024-02-01	1147.6	1200	1112.9	1200
2024-01-01	1184.6	1200	1175.9	1200
2023-12-01	1184.6	1200	1175.9	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	Free State Closed 2025 (U12 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
2	Mangaung Metro Chess 7-8 March 2025 (B)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
3	Mangaung Metro Chess 7-8 February 2025 (B)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Free State Closed 2025 (U12 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
2	Mangaung Metro Chess 7-8 March 2025 (B)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
3	Mangaung Metro Chess 7-8 February 2025 (B)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
4	Mangaung Metro Chess 16-17 August 2024 (D)	2024-08-16	2024-08-17	Standard	Mangaung (FMB)	5	5	5	Yes	Analysis
5	Mangaung Metro Chess 9 March 2024 (C)	2024-03-09	2024-03-09	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
6	Kings & Queens Chess 27 January 2024 (C)	2024-01-27	2024-01-27	Rapid	Mangaung (FMB)	5	5	1	Yes	Analysis
7	Heidedal Chess 14 October 2023 (D)	2023-10-14	2023-10-14	Rapid	Mangaung (FMB)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2024-03-09	rnd 5	type Rapid	result 1	date 2025-02-07	rnd 2	type Standard	result 1
		Opponent Xulu, T (Thapelo)				Opponent Vilakazi, S (Simangele)
2	4	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Free State Closed 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-08-14	rnd 1	type Standard	result 1
		Opponent Makhotla, K (Katleho)				Opponent Molete, B (Bokamoso)
3	2	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Matiki, T (Thandeka)				Opponent Ells, R (Ruben)

#	Games	Start				End
1	7	Tournament Mangaung Metro Chess 16-17 August 2024				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2024-08-16	rnd 1	type Standard	result 1	date 2025-02-07	rnd 2	type Standard	result 1
		Opponent Odendaal, O (Owen)				Opponent Vilakazi, S (Simangele)
2	4	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Free State Closed 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-08-14	rnd 1	type Standard	result 1
		Opponent Makhotla, K (Katleho)				Opponent Molete, B (Bokamoso)
3	1	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-15	rnd 3	type Standard	result 1	date 2025-08-15	rnd 3	type Standard	result 1
		Opponent Mqakelana, I (Iminathi)				Opponent Mqakelana, I (Iminathi)

#	Games	Start				End
1	2	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Matiki, T (Thandeka)				Opponent Ells, R (Ruben)
2	1	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Xulu, T (Thapelo)				Opponent Xulu, T (Thapelo)
3	1	Tournament Kings & Queens Chess 27 January 2024				Tournament Kings & Queens Chess 27 January 2024
		date 2024-01-27	rnd 3	type Rapid	result 1	date 2024-01-27	rnd 3	type Rapid	result 1
		Opponent Matlakala, K (Kemelo)				Opponent Matlakala, K (Kemelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2024-03-09	rnd 5	type Rapid	result 1	date 2025-02-07	rnd 2	type Standard	result 1
		Opponent Xulu, T (Thapelo)				Opponent Vilakazi, S (Simangele)
2	2	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Makhotla, K (Katleho)				Opponent Du Toit, R (Reneiro)
3	2	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Matiki, T (Thandeka)				Opponent Ells, R (Ruben)

#	Games	Start				End
1	7	Tournament Mangaung Metro Chess 16-17 August 2024				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2024-08-16	rnd 1	type Standard	result 1	date 2025-02-07	rnd 2	type Standard	result 1
		Opponent Odendaal, O (Owen)				Opponent Vilakazi, S (Simangele)
2	2	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Makhotla, K (Katleho)				Opponent Du Toit, R (Reneiro)
3	1	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-15	rnd 3	type Standard	result 1	date 2025-08-15	rnd 3	type Standard	result 1
		Opponent Mqakelana, I (Iminathi)				Opponent Mqakelana, I (Iminathi)

#	Games	Start				End
1	2	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Matiki, T (Thandeka)				Opponent Ells, R (Ruben)
2	1	Tournament Mangaung Metro Chess 9 March 2024				Tournament Mangaung Metro Chess 9 March 2024
		date 2024-03-09	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Xulu, T (Thapelo)				Opponent Xulu, T (Thapelo)
3	1	Tournament Kings & Queens Chess 27 January 2024				Tournament Kings & Queens Chess 27 January 2024
		date 2024-01-27	rnd 3	type Rapid	result 1	date 2024-01-27	rnd 3	type Rapid	result 1
		Opponent Matlakala, K (Kemelo)				Opponent Matlakala, K (Kemelo)

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	Mokhaoli ,B (Boitumelo)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Mokhaoli ,B (Boitumelo)	2	1158.3	1370.8	2	1175.1	1370.8	0	0	0	0	0	0
2	Sealoma ,T (Tshegofatso)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Sealoma ,T (Tshegofatso)	2	1342	917	1	1397.6	917	1	1311.3	917	0	0	0
3	Vilakazi ,S (Simangele)	2	1	0	1	1	425	1	0	-425	0	0	0
3	Vilakazi ,S (Simangele)	2	1111	1111	1	1217	1536	1	1007.6	686	0	0	0
4	Matiki ,T (Thandeka)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
4	Matiki ,T (Thandeka)	2	981.7	1194.2	0	0	0	2	950.4	1194.2	0	0	0
5	Potgieter ,D (Divan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Potgieter ,D (Divan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	January ,O (Oratile)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	January ,O (Oratile)	1	1294.3	869.3	1	1266.8	869.3	0	0	0	0	0	0
7	Bosch ,E (Evan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Bosch ,E (Evan)	1	1150.3	1575.3	1	1141.6	1575.3	0	0	0	0	0	0
8	Du Toit ,R (Reneiro)	1	1	425	1	1	425	0	0	0	0	0	0
8	Du Toit ,R (Reneiro)	1	1223.1	1648.1	1	1232	1648.1	0	0	0	0	0	0
9	Rametsi ,O (Oarabile)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Rametsi ,O (Oarabile)	1	1213.3	788.3	1	1223.6	788.3	0	0	0	0	0	0
10	Odendaal ,O (Owen)	1	1	425	1	1	425	0	0	0	0	0	0
10	Odendaal ,O (Owen)	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

Strauss, A (Alexander Johannes)

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