Chess South Africa
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Chess South Africa
Viljoen, J (Joshua)
Dob:
2014/11/12 (U12)
Gender:
Male
Chess SA id:
1140150640
FIDE id:
Region:
John Taolo Gaetswewe (NCJ)
Citizen:
RSA
Title(s):
Last active:
2024/05/05 (52 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
1318.3
Current Weighted rating
1238.9
Current Weighted performance
1306.2
Current official/published rating (highest between Raw, WR and WP)
1318.3
Current highest rating achieved
1318.3
Current floor (min rating allowed)
818.3
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)
±140.1
Current Raw change used (final)
0.0
Projected new Raw rating
1318.3
Projected new Weighed rating
1141.0
Projected new Weighted performance
1306.2
Projected new final Raw rating (if new WP > new Raw)
1318.3
Projected new highest rating
1318.3
Projected new floor
818.3
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1318.3
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
1318.2
Current Weighted rating
1241.4
Current Weighted performance
1306.2
Current official/published rating (highest between Raw, WR and WP)
1318.2
Current highest rating achieved
1318.2
Current floor (min rating allowed)
818.2
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)
±140.1
Current Raw change used (final)
0.0
Projected new Raw rating
1318.2
Projected new Weighed rating
1143.4
Projected new Weighted performance
1306.2
Projected new final Raw rating (if new WP > new Raw)
1318.2
Projected new highest rating
1318.2
Projected new floor
818.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1318.2
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
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
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Spartan Bishops Chess Championships 2024 (Big Pawns)
2024/05/04
2024/05/05
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1318.3
1318.2
Analysis
3
Hopetown Open Chess Tournament 2024 (U10+U12)
2024/04/20
2024/04/20
Pixley-ka-Seme (NCP)
Standard
62
0.84
5
5
4.0
1234.6
1237.9
Analysis
2
The Pixley ka Seme Chess Open Schools Tournament 2024 (U11+U13)
2024/04/06
2024/04/06
Pixley-ka-Seme (NCP)
Standard
62
0.84
5
5
3.0
1234.6
1237.9
Analysis
1
2024 Frances Baard Schools Open (U11)
2024/02/03
2024/02/03
Frances Baard (NCF)
Standard
62
0.84
5
5
2.5
1238.2
1243.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
7
Spartan Bishops Chess Championships 2024 (Big Pawns)
2024/05/04
2024/05/05
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1318.3
1318.2
Analysis
6
Hopetown Open Chess Tournament 2024 (U10+U12)
2024/04/20
2024/04/20
Pixley-ka-Seme (NCP)
Standard
62
0.84
5
5
4.0
1234.6
1237.9
Analysis
5
The Pixley ka Seme Chess Open Schools Tournament 2024 (U11+U13)
2024/04/06
2024/04/06
Pixley-ka-Seme (NCP)
Standard
62
0.84
5
5
3.0
1234.6
1237.9
Analysis
4
2024 Frances Baard Schools Open (U11)
2024/02/03
2024/02/03
Frances Baard (NCF)
Standard
62
0.84
5
5
2.5
1238.2
1243.3
Analysis
3
2023 Northern Cape Closed Chess Championships (U8+U10 Open)
2023/08/25
2023/08/27
Frances Baard (NCF)
Standard
92
0.94
5
5
3.0
1215.5
1218.8
Analysis
2
Hopetown School Chess Open Tournament 2023 (U9)
2023/05/06
2023/05/06
Pixley-ka-Seme (NCP)
Standard
62
0.84
5
4
3.0
1181.9
1178.0
Analysis
1
Hopetown Schools Chess Open Tournament 2023 (U11)
2023/02/25
2023/02/25
John Taolo Gaetswewe (NCJ)
Standard
62
0.84
5
4
1.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
20
12
1
7
12.5
62.5
106.3
1228.0
1334.2
White
12
7
1
4
7.5
62.5
106.3
1218.5
1324.8
Black
8
5
0
3
5.0
62.5
106.3
1242.1
1348.3
Standard
All
20
12
1
7
12.5
62.5
106.3
1228.0
1334.2
White
12
7
1
4
7.5
62.5
106.3
1218.5
1324.8
Black
8
5
0
3
5.0
62.5
106.3
1242.1
1348.3
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
33
19
2
12
20.0
60.6
90.2
1219.4
1309.6
White
18
11
1
6
11.5
63.9
118.1
1219.7
1337.8
Black
15
8
1
6
8.5
56.7
56.7
1219.0
1275.7
Standard
All
33
19
2
12
20.0
60.6
90.2
1219.4
1309.6
White
18
11
1
6
11.5
63.9
118.1
1219.7
1337.8
Black
15
8
1
6
8.5
56.7
56.7
1219.0
1275.7
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
1150140884
Finck, L (Lynden)
3
2.0
2
0
1
66.7
1210.7
141.7
1352.3
View list
2
2140140889
Niesing, N (Naomi)
2
2.0
2
0
0
100.0
1210.1
425.0
1635.1
View list
3
1140146479
Van Zyl, F (Frederick)
2
1.5
1
1
0
75.0
1207.8
212.5
1420.3
View list
4
1140146475
De Noon, S (Stian Johanco)
2
1.0
1
0
1
50.0
1191.0
0.0
1191.0
View list
5
1150138312
Vermeulen, J (Johannes)
2
1.0
1
0
1
50.0
1208.3
0.0
1208.3
View list
6
1120146484
Pretorius, J (Johannes)
1
1.0
1
0
0
100.0
1234.6
425.0
1659.6
View list
7
2150140890
Pienaar, E (Edrei)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1130159420
De Kock, M (Micah)
1
1.0
1
0
0
100.0
1234.6
425.0
1659.6
View list
9
2110301617
Coffee, C (Charlotte Catherine)
1
1.0
1
0
0
100.0
1234.6
425.0
1659.6
View list
10
2110105341
Botha, A (Ane)
1
1.0
1
0
0
100.0
1234.6
425.0
1659.6
View list
11
1140302206
May, R (Riyaad)
1
1.0
1
0
0
100.0
1234.6
425.0
1659.6
View list
12
1150192441
Green, X (Xander)
1
1.0
1
0
0
100.0
1234.6
425.0
1659.6
View list
13
2140134062
Fourie, K (Karla)
1
1.0
1
0
0
100.0
1318.3
425.0
1743.3
View list
14
1140161419
Motsoane, T (Thoko)
1
1.0
1
0
0
100.0
1215.5
425.0
1640.5
View list
15
1000142404
Ndinisa, S (Sanele)
1
1.0
1
0
0
100.0
1318.3
425.0
1743.3
View list
16
2140146480
Van Zyl, J (Johanna)
1
1.0
1
0
0
100.0
1238.2
425.0
1663.2
View list
17
2140148710
Zwane, K (Koketso)
1
1.0
1
0
0
100.0
1318.3
425.0
1743.3
View list
18
1140161420
Sekhoacha, S (Sphesihle)
1
0.5
0
1
0
50.0
1238.2
0.0
1238.2
View list
19
2110162495
Nel, K (Kayla)
1
0.0
0
0
1
0.0
1234.6
-425.0
809.6
View list
20
2140144151
Naidoo, D (Danika)
1
0.0
0
0
1
0.0
1318.3
-425.0
893.3
View list