Chess South Africa
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Chess South Africa
Viviers, W (Wiaan)
Dob:
2012/01/04 (U14)
Gender:
Male
Chess SA id:
1120136526
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2024/06/08 (8 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
1378.1
Current Weighted rating
1261.7
Current Weighted performance
1356.1
Current official/published rating (highest between Raw, WR and WP)
1378.1
Current highest rating achieved
1378.1
Current floor (min rating allowed)
878.1
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
3.36
Difference (S-We)
-0.30
Current Raw change (no limits, including tournament time weight)
-10.8
Current min/max change allowed (with limits)
±128.7
Current Raw change used (final)
-10.8
Projected new Raw rating
1367.3
Projected new Weighed rating
1161.7
Projected new Weighted performance
1339.3
Projected new final Raw rating (if new WP > new Raw)
1367.3
Projected new highest rating
1378.1
Projected new floor
878.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1367.3
Projected effective change (new Official - current Official)
-10.8
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
1378.4
Current Weighted rating
1260.9
Current Weighted performance
1356.1
Current official/published rating (highest between Raw, WR and WP)
1378.4
Current highest rating achieved
1378.4
Current floor (min rating allowed)
878.4
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
3.27
Difference (S-We)
-0.27
Current Raw change (no limits, including tournament time weight)
-9.7
Current min/max change allowed (with limits)
±128.6
Current Raw change used (final)
-9.7
Projected new Raw rating
1368.7
Projected new Weighed rating
1160.8
Projected new Weighted performance
1339.3
Projected new final Raw rating (if new WP > new Raw)
1368.7
Projected new highest rating
1378.4
Projected new floor
878.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1368.7
Projected effective change (new Official - current Official)
-9.7
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
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
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
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
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Tournament:
AG Visser Open 2024 (D)
Start:
2024/06/08
End:
2024/06/08
Host:
GSV
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
3.0
Main rating:
1378.1
Rating gain/loss:
-10.8
Type rating:
1378.4
Rating gain/loss:
-9.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
8
AG Visser Open 2024 (D)
2024/06/08
2024/06/08
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1378.1
1378.4
Analysis
7
Hoerskool Overvaal Chess Open 2024 (D)
2024/04/20
2024/04/20
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1327.8
1332.9
Analysis
6
Vaalpark Primary Chess Open 2024 (D)
2024/04/13
2024/04/13
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
1327.8
1332.9
Analysis
5
HS Drie Riviere Chess Open Section 2024 (D)
2024/03/09
2024/03/09
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1327.8
1332.9
Analysis
4
Valia's Open 2024 (E)
2024/03/02
2024/03/02
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1175.2
1165.1
Analysis
3
NG Kerk Vanderbijlpark Suid 2024 (D)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1175.2
1165.1
Analysis
2
Laerskool Midvaal Chess Open Section 2024 (D)
2024/02/10
2024/02/10
Sedibeng (GSV)
Standard
61
0.84
5
5
4.0
1175.2
1165.1
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U12A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1210.7
1201.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
30
AG Visser Open 2024 (D)
2024/06/08
2024/06/08
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1378.1
1378.4
Analysis
29
Hoerskool Overvaal Chess Open 2024 (D)
2024/04/20
2024/04/20
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1327.8
1332.9
Analysis
28
Vaalpark Primary Chess Open 2024 (D)
2024/04/13
2024/04/13
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
1327.8
1332.9
Analysis
27
HS Drie Riviere Chess Open Section 2024 (D)
2024/03/09
2024/03/09
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1327.8
1332.9
Analysis
26
Valia's Open 2024 (E)
2024/03/02
2024/03/02
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1175.2
1165.1
Analysis
25
NG Kerk Vanderbijlpark Suid 2024 (D)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1175.2
1165.1
Analysis
24
Laerskool Midvaal Chess Open Section 2024 (D)
2024/02/10
2024/02/10
Sedibeng (GSV)
Standard
61
0.84
5
5
4.0
1175.2
1165.1
Analysis
23
2024 Gauteng Inter-Region Chess Championship (U12A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1210.7
1201.1
Analysis
22
Queens Gambit Chess Open 2023 (D)
2023/11/25
2023/11/25
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1226.8
1219.8
Analysis
21
NWU Vaal Open 2023 (D)
2023/10/14
2023/10/14
Sedibeng (GSV)
Standard
61
0.83
5
5
2.0
1223.2
1212.2
Analysis
20
Fonteine Chess Open 2023 (E)
2023/09/02
2023/09/02
Sedibeng (GSV)
Standard
60
0.83
5
5
1.0
1277.3
1277.7
Analysis
19
2023 Gauteng Top Schools (U11 Mixed)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
1.0
1325.4
1342.1
Analysis
18
Gauteng D7 Teams 2023 (U11)
2023/08/12
2023/08/12
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
1325.4
1342.1
Analysis
17
Eureka Open 2023 (F)
2023/07/29
2023/07/29
Sedibeng (GSV)
Standard
60
0.83
5
0
0.0
1322.4
1342.1
Analysis
16
Overvaal Ope Jul 2023 (D)
2023/07/22
2023/07/22
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1322.4
1342.1
Analysis
15
Gauteng Schools Individual Finals 2023 (U11 Boys)
2023/05/26
2023/05/26
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1233.5
1237.0
Analysis
14
Gauteng Schools D7 2023 (U11 Boys)
2023/05/20
2023/05/20
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
1233.5
1237.0
Analysis
13
Driehoek Open Chess Tournament 2023 (D)
2023/05/13
2023/05/13
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1233.5
1237.0
Analysis
12
Valia's Chess Tournament 2023 (D)
2023/05/06
2023/05/06
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
1233.5
1237.0
Analysis
11
Overvaal Open 2023 (D)
2023/04/15
2023/04/15
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1208.4
1206.4
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
40
24
0
16
24.0
60.0
85.0
1268.8
1353.8
White
20
13
0
7
13.0
65.0
127.5
1264.2
1391.7
Black
20
11
0
9
11.0
55.0
42.5
1273.4
1315.9
Standard
All
40
24
0
16
24.0
60.0
85.0
1268.8
1353.8
White
20
13
0
7
13.0
65.0
127.5
1264.2
1391.7
Black
20
11
0
9
11.0
55.0
42.5
1273.4
1315.9
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
135
68
7
60
71.5
53.0
25.2
1240.6
1265.8
White
65
35
2
28
36.0
55.4
45.8
1244.6
1290.4
Black
70
33
5
32
35.5
50.7
6.1
1237.0
1243.0
Standard
All
135
68
7
60
71.5
53.0
25.2
1240.6
1265.8
White
65
35
2
28
36.0
55.4
45.8
1244.6
1290.4
Black
70
33
5
32
35.5
50.7
6.1
1237.0
1243.0
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1120136523
Myburgh, V (Vaughn)
5
2.0
2
0
3
40.0
1238.7
-85.0
1153.7
View list
2
2120133676
Smith, MI (Melea Ine)
4
3.5
3
1
0
87.5
1206.3
318.8
1525.0
View list
3
1130144483
Sampson, C (Cadon)
4
3.0
3
0
1
75.0
1302.3
212.5
1514.8
View list
4
1120130080
Van Der Merwe, W (Willem)
4
3.0
3
0
1
75.0
1212.0
212.5
1424.5
View list
5
1120136511
Brand, H (Henko)
4
0.0
0
0
4
0.0
1253.2
-425.0
828.2
View list
6
2130158661
Kruger, J (Juanika)
3
3.0
3
0
0
100.0
1293.7
425.0
1718.7
View list
7
1110137029
Bezuidenhout, L (Liam)
3
2.5
2
1
0
83.3
1207.4
283.3
1490.7
View list
8
1120136517
Hutcheson, JL (Justin Luke)
3
1.5
1
1
1
50.0
1200.5
0.0
1200.5
View list
9
1110149143
Radebe, T (Thato)
3
1.0
1
0
2
33.3
1217.7
-141.7
1076.0
View list
10
2140135916
Emanuel, S (Shiloh)
2
2.0
2
0
0
100.0
1277.3
425.0
1702.3
View list
11
2120132883
Gorrie, A (Avery)
2
2.0
2
0
0
100.0
1204.3
425.0
1629.3
View list
12
1140139663
Visser, A (Aidan)
2
2.0
2
0
0
100.0
1175.2
425.0
1600.2
View list
13
2130136682
Botha, S (Shadette)
2
1.0
1
0
1
50.0
1247.9
0.0
1247.9
View list
14
1130131410
Jonker, C (Corne)
2
1.0
1
0
1
50.0
1233.5
0.0
1233.5
View list
15
2120139658
Viljoen, C (Chene)
2
1.0
1
0
1
50.0
1169.3
0.0
1169.3
View list
16
2110136518
Hutcheson, M (Megan)
2
0.0
0
0
2
0.0
1184.0
-425.0
759.0
View list
17
1120161588
Motloung, I (Israel)
2
0.0
0
0
2
0.0
1302.5
-425.0
877.5
View list
18
1120103523
Tolmay, W (Walroux)
2
0.0
0
0
2
0.0
1188.3
-425.0
763.3
View list
19
1130138275
Esterhuizen, E (Erich)
1
1.0
1
0
0
100.0
1322.4
425.0
1747.4
View list
20
1110155776
Chalmers, R (Ruben Connor)
1
1.0
1
0
0
100.0
1233.5
425.0
1658.5
View list