Chess South Africa Ratings Database

PLAYER PAGE

Personal

Struwig, A (Alex)

Chess SA id

1090153479

FIDE id

Date of birth

2009-05-13 (U18)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-06

Personal details last changed

1900-01-01

Junior GPX Games

29.7

Junior GPX Points

1331.8

Item	Main	Standard	Rapid	Blitz
Rating	1340.2	1330.4	1264.7	1219.4
Raw rating	1340.2	1330.4	1264.7	1219.4
Weighted rating	1256.8	1245.8	1242.1	1215.1
Weighted performance	1255.2	0	1109.9	0
Floor	840.2	830.4	764.7	719.4
K-factor	36	36	36	36
Min/Max rating change allowed	135.8	137.7	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	1256.8 2025-09-30	1245.8 2025-09-30	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	1340.2	1330.4	1264.7	1219.4
Analysis
Rating	1340.2	1330.4	1264.7	1219.4
Raw rating	1340.2	1330.4	1264.7	1219.4
Weighted rating	1256.8	1245.8	1242.1
Weighted performance	1255.2	0	1109.9
K-factor	36	36	36	36
Floor	840.2	830.4	764.7	719.4
Max/Min rating change allowed	135.8	137.7	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	1340.2	1330.4	1264.7	1219.4
New weighted rating	1265.2	1253.9	1245.2	1215.8
New weighted performance	1254.7	0	1109.5	0
Temp new rating	1340.2	1330.4	1264.7	1219.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1340.2	1330.4	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 63	Standard 27		Rapid 29		Blitz 7
Gender	Male
Age group	U18
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	2782		37		30
Male	2235		31		24
U18	426		9		8
U18 Male	358		9		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	1236		39		36
Male	1001		36		33
U18	152		16		16
U18 Male	135		16		16
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
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
2024-08-01	1201.9	1200	1210.5	1200
2024-07-01	1201.9	1200	1210.5	1200
2024-06-01	1201.9	1200	1210.5	1200
2024-08-01	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
2024-01-01	1186.2	1200	1166.9	1200
2023-12-01	1186.2	1200	1166.9	1200
2023-11-01	1186.2	1200	1166.9	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	Bloemfontein Highchool Chess Teams Aug 2025	2025-07-26	2025-09-06	Standard	Mangaung (FMB)	6	3	2.5	Yes	Analysis
2	Free State Closed 2025 (U18 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
3	Spartan Bishops Championships Elite 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	3	2	Yes	Analysis
4	Grey College Team Championship 2025 (Prestige)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	0	Yes	Analysis
5	Mangaung Metro Chess 7-8 February 2025 (B)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
6	Mangaung Metro Chess 25 January 2025 (B)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bloemfontein Highchool Chess Teams Aug 2025	2025-07-26	2025-09-06	Standard	Mangaung (FMB)	6	3	2.5	Yes	Analysis
2	Free State Closed 2025 (U18 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
3	Spartan Bishops Championships Elite 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	3	2	Yes	Analysis
4	Grey College Team Championship 2025 (Prestige)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	0	Yes	Analysis
5	Mangaung Metro Chess 7-8 February 2025 (B)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
6	Mangaung Metro Chess 25 January 2025 (B)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
7	Paarl Boys' High Chess Festival 2024 (C)	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	5	Yes	Analysis
8	Smart Chess Blitz 2024 (B)	2024-09-07	2024-09-07	Blitz	Mangaung (FMB)	7	7	4	Yes	Analysis
9	Bloemfontein Highschool League 2024 (U15B-U19B)	2024-03-08	2024-03-08	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
10	Bloemfontein High School League 16 February 2024 (U15B+U17B)	2024-02-16	2024-02-16	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
11	Bloemfontein High School League Tournament 26 January 2024 (U15B+U17B)	2024-01-26	2024-01-26	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
12	Bloemfontein HS League 13 October 2023 (U17+U19)	2023-10-13	2023-10-13	Rapid	Mangaung (FMB)	5	4	1	Yes	Analysis
13	Bloemfontein HS League 27 October 2023 (U13-U17)	2023-10-27	2023-10-27	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
14	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 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)

#	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	Sealoma ,T (Tshegofatso)	2	1	0	0	0	0	2	1	0	0	0	0
3	Sealoma ,T (Tshegofatso)	2	1274.7	1274.7	0	0	0	2	1278.5	1274.7	0	0	0
4	Van Rooyen ,CG (Conrad Gerhard)	2	0	-425	0	0	0	2	0	-425	0	0	0
4	Van Rooyen ,CG (Conrad Gerhard)	2	1170.6	745.6	0	0	0	2	1217.1	745.6	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	Oosthuizen ,L (Ludrick)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Oosthuizen ,L (Ludrick)	1	1421.3	996.3	1	1412.2	996.3	0	0	0	0	0	0
8	Stevens ,L (Lucas)	1	1	425	1	1	425	0	0	0	0	0	0
8	Stevens ,L (Lucas)	1	1219.8	1644.8	1	1253.3	1644.8	0	0	0	0	0	0
9	Dalbock ,D (Dylan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Dalbock ,D (Dylan)	1	1164.4	1589.4	1	1148	1589.4	0	0	0	0	0	0
10	Weng ,Q (Qi)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Weng ,Q (Qi)	1	1519.7	1094.7	1	1506.5	1094.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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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