Chess South Africa
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Chess South Africa
Bothma, I (Ivandre)
Dob:
2013/01/02 (U12)
Gender:
Male
Chess SA id:
1130139907
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2022/06/11 (743 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
1122.0
Current Weighted rating
1122.0
Current Weighted performance
678.7
Current official/published rating (highest between Raw, WR and WP)
1122.0
Current highest rating achieved
1211.0
Current floor (min rating allowed)
711.0
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)
±185.3
Current Raw change used (final)
0.0
Projected new Raw rating
1122.0
Projected new Weighed rating
1032.2
Projected new Weighted performance
678.7
Projected new final Raw rating (if new WP > new Raw)
1122.0
Projected new highest rating
1211.0
Projected new floor
711.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1122.0
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
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
1078.3
Current Weighted rating
1078.3
Current Weighted performance
714.5
Current official/published rating (highest between Raw, WR and WP)
1078.3
Current highest rating achieved
1218.4
Current floor (min rating allowed)
718.4
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)
±197.2
Current Raw change used (final)
0.0
Projected new Raw rating
1078.3
Projected new Weighed rating
992.0
Projected new Weighted performance
714.5
Projected new final Raw rating (if new WP > new Raw)
1078.3
Projected new highest rating
1218.4
Projected new floor
718.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1078.3
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
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
5
Bo-Weskus Top Skole 2022 (O9)
2022/06/11
2022/06/11
West Coast (WCU)
Rapid
30
0.60
5
5
1.0
1147.3
1109.3
Analysis
4
West Coast Schools Chess Prestige Leg 2 2022 (U9 Boys)
2022/04/23
2022/04/23
West Coast (WCU)
Rapid
30
0.60
5
5
1.0
1210.8
1216.2
Analysis
3
West Coast Schools Chess Prestige Leg 1 2022 (U9 Boys)
2022/04/09
2022/04/09
West Coast (WCU)
Rapid
30
0.60
5
5
1.0
1210.8
1216.2
Analysis
2
Bo Weskus Skole Skaak Prestige (O9 Seuns)
2022/03/19
2022/03/19
West Coast (WCU)
Rapid
30
0.60
5
5
2.5
1211.0
1218.4
Analysis
1
Bo-Weskus Skole Prestige 2020 (O7)
2020/02/15
2020/02/15
West Coast (WCU)
Rapid
30
0.60
7
5
3.0
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
25
7
3
15
8.5
34.0
-136.0
1205.5
1069.5
White
12
2
1
9
2.5
20.8
-247.9
1214.0
966.1
Black
13
5
2
6
6.0
46.2
-32.7
1197.6
1165.0
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
25
7
3
15
8.5
34.0
-136.0
1205.5
1069.5
White
12
2
1
9
2.5
20.8
-247.9
1214.0
966.1
Black
13
5
2
6
6.0
46.2
-32.7
1197.6
1165.0
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
2130131920
Hesselman, S (Saskia)
2
2.0
2
0
0
100.0
1173.7
425.0
1598.7
View list
2
1140139155
Smith, K (Kaleb)
2
2.0
2
0
0
100.0
1210.8
425.0
1635.8
View list
3
1130139149
Pieters, A (Aj)
2
0.0
0
0
2
0.0
1210.8
-425.0
785.8
View list
4
1130139153
Sikulu, L (Lunje)
1
1.0
1
0
0
100.0
1211.0
425.0
1636.0
View list
5
1130139145
Kok, D (Devorick)
1
1.0
1
0
0
100.0
1211.0
425.0
1636.0
View list
6
1130131916
Cloete, S (Stan-Lee)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1130131919
Fortuin, L (Leathon)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
8
1140139141
Engelbrecht, J (Jovan)
1
0.5
0
1
0
50.0
1211.0
0.0
1211.0
View list
9
2130131928
Van Rooyen, N (Nevine)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
10
1130131927
Van Rooi, D (Dimitri)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
1130139159
Van Der Merwe, C (Charl)
1
0.0
0
0
1
0.0
1210.8
-425.0
785.8
View list
12
1130140063
Van Der Merwe, B (Benjamin)
1
0.0
0
0
1
0.0
1210.8
-425.0
785.8
View list
13
1130139158
Van Der Merwe, B (Benjamen)
1
0.0
0
0
1
0.0
1210.8
-425.0
785.8
View list
14
1130143130
Valtyn, A (Adan)
1
0.0
0
0
1
0.0
1147.3
-425.0
722.3
View list
15
1130139157
Strauss, R (Ruan)
1
0.0
0
0
1
0.0
1210.8
-425.0
785.8
View list
16
1130139151
Ryk, L (Liam)
1
0.0
0
0
1
0.0
1211.0
-425.0
786.0
View list
17
1130139147
Maswane, T (Thurston)
1
0.0
0
0
1
0.0
1211.0
-425.0
786.0
View list
18
2130139128
Joseph, J (Jiola)
1
0.0
0
0
1
0.0
1147.3
-425.0
722.3
View list
19
1140134826
Joseph, B (Beaudan)
1
0.0
0
0
1
0.0
1147.3
-425.0
722.3
View list
20
1140137106
Jordaan, L (Luke)
1
0.0
0
0
1
0.0
1210.8
-425.0
785.8
View list