Chess South Africa Ratings Database

PLAYER PAGE

Personal

Struwig, A (Alex)

Chess SA id

1090153479

FIDE id

534025324

Date of birth

2009-05-13 (U18)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1301.4	1282.9	1264.7	1219.4
Raw rating	1301.4	1282.9	1264.7	1219.4
Weighted rating	1277.4	1265	1250.6	1217.1
Weighted performance	1192.4	1183.4	1067.8	0
Floor	840.2	830.4	764.7	719.4
K-factor	36	36	36	36
Min/Max rating change allowed	143.5	147.3	151.2	161.3
Highest rating	1340.2 2025-09-30	1330.4 2025-09-30	1264.7 2025-02-01	1263.3 2024-09-01
Highest raw rating	1340.2 2025-09-30	1330.4 2025-09-30	1264.7 2025-02-01	1219.4 2024-10-01
Highest weighted rating	1277.4 2026-01-01	1265 2026-01-01	1234.8 2025-08-01	1213.5 2025-08-01
Highest weighted performance	1268.4 2025-09-01	1200 2024-02-01	1228.5 2024-01-01	1263.3 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1301.4	1282.9	1264.7	1219.4
Analysis
Rating	1301.4	1282.9	1264.7	1219.4
Raw rating	1301.4	1282.9	1264.7	1219.4
Weighted rating	1277.4	1265	1250.6
Weighted performance	1192.4	1183.4	1067.8
K-factor	36	36	36	36
Floor	840.2	830.4	764.7	719.4
Max/Min rating change allowed	143.5	147.3	151.2	161.3
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	1301.4	1282.9	1264.7	1219.4
New weighted rating	1281.3	1268.2	1252.8	1217.6
New weighted performance	1184.2	1175.1	1059.2	0
Temp new rating	1301.4	1282.9	1264.7	1219.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1301.4	1282.9	1264.7	1219.4
New K-factor	36	36	36	36
New floor	840.2	830.4	764.7	719.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	26	21	5	0
	28	6	15	7
	14	0	14	0
	0	0	0	0
	0	0	0	0
History	68	27	34	7

Games since
	Main 54	Standard 27		Rapid 20		Blitz 7
Gender	Male
Age group	U18
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	2850		40		30
Male	2275		36		26
U18	437		10		8
U18 Male	367		10		8
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	1280		29		27
Male	1024		27		25
U18	152		10		10
U18 Male	129		10		10
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	26	15.5	59.62	81.7	1291.8	1373.6
Standard	21	11.5	54.76	40.5	1309.7	1350.2
Rapid	5	4	80	255	1216.9	1471.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	68	39.5	58.09	68.8	1232.1	1300.9
Standard	27	16.5	61.11	94.4	1284.2	1378.7
Rapid	34	19	55.88	50	1191.1	1241.1
Blitz	7	4	57.14	60.7	1230.5	1291.2

Date	Main	Standard	Rapid	Blitz
2026-01-01	1301.4	1282.9	1264.7	1219.4
2025-11-30	1340.2	1330.4	1264.7	1219.4
2025-11-01	1340.2	1330.4	1264.7	1219.4
2025-09-30	1340.2	1330.4	1264.7	1219.4
2025-09-01	1319.3	1305.9	1264.7	1219.4
2025-08-01	1271.2	1252.9	1264.7	1219.4
2025-07-01	1271.2	1252.9	1264.7	1219.4
2025-06-01	1271.2	1252.9	1264.7	1219.4
2025-05-01	1254.6	1229.9	1264.7	1219.4
2025-04-01	1254.6	1229.9	1264.7	1219.4
2025-03-01	1254.6	1229.9	1264.7	1219.4
2025-02-01	1290.8	1271.6	1264.7	1219.4
2025-01-01	1264.1	1271.6	1210.5	1219.4
2024-12-01	1264.1	1271.6	1210.5	1219.4
2024-11-01	1207	1200	1210.5	1219.4
2024-10-01	1207	1200	1210.5	1219.4
2024-09-01	1201.9	1200	1210.5	1200
2024-11-01	1201.9	1200	1210.5	1200
2024-07-01	1201.9	1200	1210.5	1200
2024-06-01	1201.9	1200	1210.5	1200
2024-05-01	1201.9	1200	1210.5	1200
2024-04-01	1201.9	1200	1210.5	1200
2024-03-01	1196	1200	1201.1	1200
2024-02-01	1202.3	1200	1215.9	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	2025 Mzansi Inter Provincial Team Championships (U18 Open)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	0.5	Yes	Analysis
2	Bloemfontein Highchool Chess Teams Aug 2025	2025-07-26	2025-09-06	Standard	Mangaung (FMB)	6	3	2.5	Yes	Analysis
3	Free State Closed 2025 (U18 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
4	Spartan Bishops Championships Elite 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	3	2	Yes	Analysis
5	Grey College Team Championship 2025 (Prestige)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	0	Yes	Analysis
6	Mangaung Metro Chess 7-8 February 2025 (B)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
7	Mangaung Metro Chess 25 January 2025 (B)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
8	Paarl Boys' High Chess Festival 2024 (C)	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	5	Yes	Analysis
9	Smart Chess Blitz 2024 (B)	2024-09-07	2024-09-07	Blitz	Mangaung (FMB)	7	7	4	Yes	Analysis
10	Bloemfontein Highschool League 2024 (U15B-U19B)	2024-03-08	2024-03-08	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
11	Bloemfontein High School League 16 February 2024 (U15B+U17B)	2024-02-16	2024-02-16	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
12	Bloemfontein High School League Tournament 26 January 2024 (U15B+U17B)	2024-01-26	2024-01-26	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
13	Bloemfontein HS League 13 October 2023 (U17+U19)	2023-10-13	2023-10-13	Rapid	Mangaung (FMB)	5	4	1	Yes	Analysis
14	Bloemfontein HS League 27 October 2023 (U13-U17)	2023-10-27	2023-10-27	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
15	Bloemfontein Highschool League 24 Feb 2023 (U13+U15)	2023-02-24	2023-02-24	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament Smart Chess Blitz 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-09-07	rnd 5	type Blitz	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Rametsi, O (Oarabile)				Opponent Visser, B (Beandri)
2	6	Tournament Mangaung Metro Chess 25 January 2025				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2025-01-25	rnd 2	type Rapid	result 1	date 2025-02-07	rnd 2	type Standard	result 1
		Opponent Van Wyk, P (Petrus Gerhardus)				Opponent Snell, T (Tessa)
3	4	Tournament Free State Closed 2025				Tournament Bloemfontein Highchool Chess Teams Aug 2025
		date 2025-08-15	rnd 5	type Standard	result 1	date 2025-09-06	rnd 6	type Standard	result 1
		Opponent Saunders, J (John)				Opponent Gibbens, C (Charlotte Ann)

#	Games	Start				End
1	4	Tournament Spartan Bishops Championships Elite 2025				Tournament Free State Closed 2025
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-08-14	rnd 2	type Standard	result 1
		Opponent Elias, K (Kelarmo)				Opponent Michalakis, K (Kiriakos)
2	4	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Dalbock, D (Dylan)				Opponent Visser, B (Beandri)
3	3	Tournament Paarl Boys' High Chess Festival 2024				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2024-10-05	rnd 6	type Standard	result 1	date 2025-02-07	rnd 2	type Standard	result 1
		Opponent Du Plessis, M (Matthys Armand)				Opponent Snell, T (Tessa)

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 25 January 2025				Tournament Mangaung Metro Chess 25 January 2025
		date 2025-01-25	rnd 2	type Rapid	result 1	date 2025-01-25	rnd 5	type Rapid	result 1
		Opponent Van Wyk, P (Petrus Gerhardus)				Opponent Steyn, J (Johannes)
2	3	Tournament Bloemfontein High School League 16 February 2024				Tournament Bloemfontein Highschool League 2024
		date 2024-02-16	rnd 4	type Rapid	result 1	date 2024-03-08	rnd 1	type Rapid	result 1
		Opponent Xulu, T (Thapelo)				Opponent Smith, J (Jolin)
3	3	Tournament Bloemfontein High School League Tournament 26 January 2024				Tournament Bloemfontein High School League Tournament 26 January 2024
		date 2024-01-26	rnd 3	type Rapid	result 1	date 2024-01-26	rnd 5	type Rapid	result 1
		Opponent Matiki, T (Thandeka)				Opponent Moteka, J (Joseph)

#	Games	Start				End
1	3	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 5	type Blitz	result 1	date 2024-09-07	rnd 7	type Blitz	result 0.5
		Opponent Rametsi, O (Oarabile)				Opponent Khoete, B (Bokang)
2	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 3	type Blitz	result 0.5	date 2024-09-07	rnd 3	type Blitz	result 0.5
		Opponent Mokolokolo, T (Teboho)				Opponent Mokolokolo, T (Teboho)
3	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 1	type Blitz	result 1	date 2024-09-07	rnd 1	type Blitz	result 1
		Opponent Savvas, C (Christopher)				Opponent Savvas, C (Christopher)

#	Games	Start				End
1	6	Tournament Mangaung Metro Chess 25 January 2025				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2025-01-25	rnd 2	type Rapid	result 1	date 2025-02-07	rnd 2	type Standard	result 1
		Opponent Van Wyk, P (Petrus Gerhardus)				Opponent Snell, T (Tessa)
2	4	Tournament Spartan Bishops Championships Elite 2025				Tournament Free State Closed 2025
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-08-14	rnd 2	type Standard	result 1
		Opponent Elias, K (Kelarmo)				Opponent Michalakis, K (Kiriakos)
3	4	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Dalbock, D (Dylan)				Opponent Visser, B (Beandri)

#	Games	Start				End
1	4	Tournament Spartan Bishops Championships Elite 2025				Tournament Free State Closed 2025
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-08-14	rnd 2	type Standard	result 1
		Opponent Elias, K (Kelarmo)				Opponent Michalakis, K (Kiriakos)
2	4	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Dalbock, D (Dylan)				Opponent Visser, B (Beandri)
3	3	Tournament Paarl Boys' High Chess Festival 2024				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2024-10-05	rnd 6	type Standard	result 1	date 2025-02-07	rnd 2	type Standard	result 1
		Opponent Du Plessis, M (Matthys Armand)				Opponent Snell, T (Tessa)

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 25 January 2025				Tournament Mangaung Metro Chess 25 January 2025
		date 2025-01-25	rnd 2	type Rapid	result 1	date 2025-01-25	rnd 5	type Rapid	result 1
		Opponent Van Wyk, P (Petrus Gerhardus)				Opponent Steyn, J (Johannes)
2	3	Tournament Bloemfontein High School League 16 February 2024				Tournament Bloemfontein Highschool League 2024
		date 2024-02-16	rnd 4	type Rapid	result 1	date 2024-03-08	rnd 1	type Rapid	result 1
		Opponent Xulu, T (Thapelo)				Opponent Smith, J (Jolin)
3	3	Tournament Bloemfontein High School League Tournament 26 January 2024				Tournament Bloemfontein High School League Tournament 26 January 2024
		date 2024-01-26	rnd 3	type Rapid	result 1	date 2024-01-26	rnd 5	type Rapid	result 1
		Opponent Matiki, T (Thandeka)				Opponent Moteka, J (Joseph)

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 5	type Blitz	result 1	date 2024-09-07	rnd 6	type Blitz	result 1
		Opponent Rametsi, O (Oarabile)				Opponent Van Jaarsveldt, J (Jc)
2	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 1	type Blitz	result 1	date 2024-09-07	rnd 1	type Blitz	result 1
		Opponent Savvas, C (Christopher)				Opponent Savvas, C (Christopher)

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	Snell ,T (Tessa)	2	2	425	1	1	425	1	1	425	0	0	0
1	Snell ,T (Tessa)	2	1175.1	1600.1	1	1170.5	1600.1	1	1176.3	1600.1	0	0	0
2	Coetzer ,L (Louis)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Coetzer ,L (Louis)	2	1188.5	763.5	1	1150.4	763.5	1	1186.8	763.5	0	0	0
3	Van Rooyen ,CG (Conrad Gerhard)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Van Rooyen ,CG (Conrad Gerhard)	2	1170.6	745.6	0	0	0	2	1217.1	745.6	0	0	0
4	Sealoma ,T (Tshegofatso)	2	1	0	0	0	0	2	1	0	0	0	0
4	Sealoma ,T (Tshegofatso)	2	1274.7	1274.7	0	0	0	2	1278.5	1274.7	0	0	0
5	Mcpherson ,L (Lilly)	2	1	0	0	0	0	2	1	0	0	0	0
5	Mcpherson ,L (Lilly)	2	1028.6	1028.6	0	0	0	2	1016.2	1028.6	0	0	0
6	Bothma ,J (Johannes)	2	1	0	0	0	0	1	1	425	1	0	-425
6	Bothma ,J (Johannes)	2	1276.9	1276.9	0	0	0	1	1263.7	1701.9	1	1200	851.9
7	Kotze ,R (Ruan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kotze ,R (Ruan)	1	1421.2	996.2	1	1448.3	996.2	0	0	0	0	0	0
8	Weng ,Q (Qi)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Weng ,Q (Qi)	1	1519.7	1094.7	1	1506.5	1094.7	0	0	0	0	0	0
9	Raphoko ,S (Sebabotso)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Raphoko ,S (Sebabotso)	1	1291.9	1291.9	1	1255.7	1291.9	0	0	0	0	0	0
10	Saunders ,J (John)	1	1	425	1	1	425	0	0	0	0	0	0
10	Saunders ,J (John)	1	1334.2	1759.2	1	1338.7	1759.2	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

Struwig, A (Alex)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms