Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Struwig, A (Alex)
Dob:
2009/05/13 (U16)
Gender:
Male
Chess SA id:
1090153479
FIDE id:
Region:
Mangaung (FMB)
Citizen:
RSA
Title(s):
Last active:
2024/10/05 (47 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1207.0
Current Weighted rating
1198.5
Current Weighted performance
1086.8
Current official/published rating (highest between Raw, WR and WP)
1207.0
Current highest rating achieved
1207.0
Current floor (min rating allowed)
707.0
Current K-factor
36
Games played this month
6
Score (S)
5.0
Expected score (We)
3.09
Difference (S-We)
1.59
Current Raw change (no limits, including tournament time weight)
57.1
Current min/max change allowed (with limits)
±164.2
Current Raw change used (final)
57.1
Projected new Raw rating
1264.1
Projected new Weighed rating
1102.7
Projected new Weighted performance
1211.7
Projected new final Raw rating (if new WP > new Raw)
1264.1
Projected new highest rating
1264.1
Projected new floor
764.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1264.1
Projected effective change (new Official - current Official)
+57.1
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
6
Score (S)
5.0
Expected score (We)
3.01
Difference (S-We)
1.99
Current Raw change (no limits, including tournament time weight)
71.6
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
71.6
Projected new Raw rating
1271.6
Projected new Weighed rating
1104.0
Projected new Weighted performance
484.9
Projected new final Raw rating (if new WP > new Raw)
1271.6
Projected new highest rating
1271.6
Projected new floor
771.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1271.6
Projected effective change (new Official - current Official)
+71.6
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1210.5
Current Weighted rating
1195.6
Current Weighted performance
1104.7
Current official/published rating (highest between Raw, WR and WP)
1210.5
Current highest rating achieved
1215.9
Current floor (min rating allowed)
715.9
Current K-factor
36
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±163.4
Current Raw change used (final)
0.0
Projected new Raw rating
1210.5
Projected new Weighed rating
1100.5
Projected new Weighted performance
1104.7
Projected new final Raw rating (if new WP > new Raw)
1210.5
Projected new highest rating
1215.9
Projected new floor
715.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1210.5
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1219.4
Current Weighted rating
1203.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1219.4
Current highest rating achieved
1219.4
Current floor (min rating allowed)
719.4
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±161.3
Current Raw change used (final)
0.0
Projected new Raw rating
1219.4
Projected new Weighed rating
1106.9
Projected new Weighted performance
419.4
Projected new final Raw rating (if new WP > new Raw)
1219.4
Projected new highest rating
1219.4
Projected new floor
719.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1219.4
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Tournament:
Paarl Boys' High Chess Festival 2024 (C)
Start:
2024/10/04
End:
2024/10/05
Host:
WCW
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
6
Games:
6
Score:
5.0
Main rating:
1207.0
Rating gain/loss:
57.1
Type rating:
1200.0
Rating gain/loss:
71.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
5
Paarl Boys' High Chess Festival 2024 (C)
2024/10/04
2024/10/05
Cape Winelands (WCW)
Standard
60
0.83
6
6
5.0
1207.0
1200.0
Analysis
4
Smart Chess Blitz 2024 (B)
2024/09/07
2024/09/07
Mangaung (FMB)
Blitz
5
0.18
7
7
4.0
1201.9
1200.0
Analysis
3
Bloemfontein Highschool League 2024 (U15B-U19B)
2024/03/08
2024/03/08
Mangaung (FMB)
Rapid
15
0.39
5
5
3.0
1196.0
1201.1
Analysis
2
Bloemfontein High School League 16 February 2024 (U15B+U17B)
2024/02/16
2024/02/16
Mangaung (FMB)
Rapid
15
0.39
5
5
2.0
1202.3
1215.9
Analysis
1
Bloemfontein High School League Tournament 26 January 2024 (U15B+U17B)
2024/01/26
2024/01/26
Mangaung (FMB)
Rapid
15
0.39
5
5
4.0
1186.2
1166.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
8
Paarl Boys' High Chess Festival 2024 (C)
2024/10/04
2024/10/05
Cape Winelands (WCW)
Standard
60
0.83
6
6
5.0
1207.0
1200.0
Analysis
7
Smart Chess Blitz 2024 (B)
2024/09/07
2024/09/07
Mangaung (FMB)
Blitz
5
0.18
7
7
4.0
1201.9
1200.0
Analysis
6
Bloemfontein Highschool League 2024 (U15B-U19B)
2024/03/08
2024/03/08
Mangaung (FMB)
Rapid
15
0.39
5
5
3.0
1196.0
1201.1
Analysis
5
Bloemfontein High School League 16 February 2024 (U15B+U17B)
2024/02/16
2024/02/16
Mangaung (FMB)
Rapid
15
0.39
5
5
2.0
1202.3
1215.9
Analysis
4
Bloemfontein High School League Tournament 26 January 2024 (U15B+U17B)
2024/01/26
2024/01/26
Mangaung (FMB)
Rapid
15
0.39
5
5
4.0
1186.2
1166.9
Analysis
3
Bloemfontein HS League 27 October 2023 (U13-U17)
2023/10/27
2023/10/27
Cape Winelands (WCW)
Rapid
15
0.39
5
5
3.0
1194.3
1168.3
Analysis
2
Bloemfontein HS League 13 October 2023 (U17+U19)
2023/10/13
2023/10/13
Mangaung (FMB)
Rapid
20
0.47
5
4
1.0
1194.3
1168.3
Analysis
1
Bloemfontein Highschool League 24 Feb 2023 (U13+U15)
2023/02/24
2023/02/24
Mangaung (FMB)
Rapid
17
0.42
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
28
17
2
9
18.0
64.3
121.4
1190.4
1311.9
White
13
9
1
3
9.5
73.1
196.2
1148.1
1344.2
Black
15
8
1
6
8.5
56.7
56.7
1227.2
1283.8
Standard
All
6
5
0
1
5.0
83.3
283.3
1195.2
1478.5
White
3
2
0
1
2.0
66.7
141.7
1189.1
1330.8
Black
3
3
0
0
3.0
100.0
425.0
1201.3
1626.3
Rapid
All
15
9
0
6
9.0
60.0
85.0
1169.8
1254.8
White
7
5
0
2
5.0
71.4
182.1
1110.1
1292.2
Black
8
4
0
4
4.0
50.0
0.0
1222.1
1222.1
Blitz
All
7
3
2
2
4.0
57.1
60.7
1230.5
1291.3
White
3
2
1
0
2.5
83.3
283.3
1195.6
1478.9
Black
4
1
1
2
1.5
37.5
-106.3
1256.8
1150.5
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
42
23
2
17
24.0
57.1
60.7
1195.2
1255.9
White
19
11
1
7
11.5
60.5
89.5
1171.1
1260.6
Black
23
12
1
10
12.5
54.3
37.0
1215.0
1252.0
Standard
All
6
5
0
1
5.0
83.3
283.3
1195.2
1478.5
White
3
2
0
1
2.0
66.7
141.7
1189.1
1330.8
Black
3
3
0
0
3.0
100.0
425.0
1201.3
1626.3
Rapid
All
29
15
0
14
15.0
51.7
14.7
1186.6
1201.3
White
13
7
0
6
7.0
53.8
32.7
1161.4
1194.1
Black
16
8
0
8
8.0
50.0
0.0
1207.1
1207.1
Blitz
All
7
3
2
2
4.0
57.1
60.7
1230.5
1291.3
White
3
2
1
0
2.5
83.3
283.3
1195.6
1478.9
Black
4
1
1
2
1.5
37.5
-106.3
1256.8
1150.5
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2120146865
Mcpherson, L (Lilly)
2
1.0
1
0
1
50.0
1191.1
0.0
1191.1
View list
2
1140145464
Sealoma, T (Tshegofatso)
2
1.0
1
0
1
50.0
1193.1
0.0
1193.1
View list
3
1090112367
Van Rooyen, CG (Conrad Gerhard)
2
0.0
0
0
2
0.0
1194.3
-425.0
769.3
View list
4
2080153474
Cloete, E (Elri)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1090150652
Du Plessis, M (Matthys Armand)
1
1.0
1
0
0
100.0
1207.0
425.0
1632.0
View list
6
1130134659
De Wet, A (Aiten-Jaun)
1
1.0
1
0
0
100.0
1194.3
425.0
1619.3
View list
7
1070150649
Dalbock, D (Dylan)
1
1.0
1
0
0
100.0
1207.0
425.0
1632.0
View list
8
2140148594
Matiki, T (Thandeka)
1
1.0
1
0
0
100.0
1186.2
425.0
1611.2
View list
9
1090149094
Malo, T (Thato)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
1100146949
Letlotlo, M (Motingoe)
1
1.0
1
0
0
100.0
1194.3
425.0
1619.3
View list
11
1080137007
Moteka, J (Joseph)
1
1.0
1
0
0
100.0
1186.2
425.0
1611.2
View list
12
1080137014
Ntsomotho, T (Tswanelo)
1
1.0
1
0
0
100.0
1196.0
425.0
1621.0
View list
13
1090300827
Pretorius, E (Enrico)
1
1.0
1
0
0
100.0
1196.0
425.0
1621.0
View list
14
1070190363
Pretorius, J (Jaydon)
1
1.0
1
0
0
100.0
1194.3
425.0
1619.3
View list
15
2130148586
Rametsi, O (Oarabile)
1
1.0
1
0
0
100.0
1201.9
425.0
1626.9
View list
16
1110310869
Savvas, C (Christopher)
1
1.0
1
0
0
100.0
1201.9
425.0
1626.9
View list
17
2080300830
Smith, J (Jolin)
1
1.0
1
0
0
100.0
1196.0
425.0
1621.0
View list
18
1060162692
Stevens, L (Lucas)
1
1.0
1
0
0
100.0
1207.0
425.0
1632.0
View list
19
1070191959
Swanepoel, Z (Zandri)
1
1.0
1
0
0
100.0
1202.3
425.0
1627.3
View list
20
1090152201
Thiersen, N (Noa)
1
1.0
1
0
0
100.0
1207.0
425.0
1632.0
View list