Chess South Africa
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Chess South Africa
Van Tonder, JA (Jason Alexander)
Dob:
2007/09/18 (U18)
Gender:
Male
Chess SA id:
1070112678
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2022/08/26 (670 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
1145.3
Current Weighted rating
1145.1
Current Weighted performance
827.5
Current official/published rating (highest between Raw, WR and WP)
1145.3
Current highest rating achieved
1145.3
Current floor (min rating allowed)
645.3
Current K-factor
40
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)
±179.3
Current Raw change used (final)
0.0
Projected new Raw rating
1145.3
Projected new Weighed rating
1053.7
Projected new Weighted performance
827.5
Projected new final Raw rating (if new WP > new Raw)
1145.3
Projected new highest rating
1145.3
Projected new floor
645.3
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1145.3
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
1159.6
Current Weighted rating
1159.4
Current Weighted performance
827.5
Current official/published rating (highest between Raw, WR and WP)
1159.6
Current highest rating achieved
1159.6
Current floor (min rating allowed)
659.6
Current K-factor
40
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)
±175.6
Current Raw change used (final)
0.0
Projected new Raw rating
1159.6
Projected new Weighed rating
1066.8
Projected new Weighted performance
827.5
Projected new final Raw rating (if new WP > new Raw)
1159.6
Projected new highest rating
1159.6
Projected new floor
659.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1159.6
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
7
2022 Gauteng Schools Team Championships (U15 Open)
2022/08/26
2022/08/26
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1093.8
1098.8
Analysis
6
2022 D3 Cluster Teams (U17)
2022/05/28
2022/05/28
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1018.8
995.2
Analysis
5
2022 D3 Cluster Teams (U15 Mixed)
2022/05/28
2022/05/28
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1018.8
995.2
Analysis
4
2019 Gauteng School League Finals (U13 Open)
2019/08/23
2019/08/23
Tshwane (GTP)
Standard
60
0.83
5
4
0.0
1058.6
1041.6
Analysis
3
2019 D3 Team League (U13)
2019/07/20
2019/07/20
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1069.9
1051.6
Analysis
2
D3 Primary School League Cluster 4 2019 (U13)
2019/05/12
2019/05/12
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1099.1
1080.4
Analysis
1
2019 D3 Individuals (U13 Boys)
2019/04/13
2019/04/13
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
13
1
19
13.5
40.9
-77.3
1100.7
1023.4
White
19
8
1
10
8.5
44.7
-44.7
1034.6
989.8
Black
14
5
0
9
5.0
35.7
-121.4
1190.5
1069.0
Standard
All
33
13
1
19
13.5
40.9
-77.3
1100.7
1023.4
White
19
8
1
10
8.5
44.7
-44.7
1034.6
989.8
Black
14
5
0
9
5.0
35.7
-121.4
1190.5
1069.0
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
107071968
Van Der Merwe, N (Nicolaas)
2
1.0
1
0
1
50.0
1084.5
0.0
1084.5
View list
2
1060141605
Badenhorst, C (Christo)
1
1.0
1
0
0
100.0
1018.8
425.0
1443.8
View list
3
2080141585
Blessing, M (Malatsho)
1
1.0
1
0
0
100.0
1018.8
425.0
1443.8
View list
4
2080141933
Cloete, E (Elizna)
1
1.0
1
0
0
100.0
1093.8
425.0
1518.8
View list
5
1060141613
Malinga, T (Tshepang)
1
1.0
1
0
0
100.0
1018.8
425.0
1443.8
View list
6
1080116785
Mkhonza, A (Amukelani)
1
1.0
1
0
0
100.0
1069.9
425.0
1494.9
View list
7
1080145979
Hlophe, M (Mlungisi Elliot)
1
1.0
1
0
0
100.0
1093.8
425.0
1518.8
View list
8
1080145978
Hlogwane, M (Mpho)
1
1.0
1
0
0
100.0
1093.8
425.0
1518.8
View list
9
1070112670
Mongale, GGK (Gomolemo Gratetude Khaya)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
1060141616
Mokwena, K (Kabelo)
1
1.0
1
0
0
100.0
1018.8
425.0
1443.8
View list
11
107092284
Pila, L (Lesiba)
1
1.0
1
0
0
100.0
1069.9
425.0
1494.9
View list
12
1060141627
Simelane, K (Kholwani Skhumbuzo)
1
1.0
1
0
0
100.0
1018.8
425.0
1443.8
View list
13
2070115520
Smit, A (Anelri)
1
1.0
1
0
0
100.0
1099.1
425.0
1524.1
View list
14
1070137238
Mokoena, T (Thato)
1
0.5
0
1
0
50.0
1093.8
0.0
1093.8
View list
15
106044725
Mostert, AG (Adriaan)
1
0.0
0
0
1
0.0
1058.6
-425.0
633.6
View list
16
107079467
Fuller, J (James)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
17
2080141599
Mcintyre, G (Geraldine)
1
0.0
0
0
1
0.0
1018.8
-425.0
593.8
View list
18
1060101854
Mashego, T (Tshepo)
1
0.0
0
0
1
0.0
1058.6
-425.0
633.6
View list
19
106068473
Maritz, E (Evan)
1
0.0
0
0
1
0.0
1099.1
-425.0
674.1
View list
20
1070101108
Le Roux, M (Markus)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list