Chess South Africa
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Chess South Africa
Van Schalkwyk, JM (Jan-Maarten)
Dob:
2007/07/07 (U18)
Gender:
Male
Chess SA id:
107049633
FIDE id:
Region:
Gert Sibande (MGS)
Citizen:
RSA
Title(s):
Last active:
2022/08/22 (672 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
1130.0
Current Weighted rating
1129.7
Current Weighted performance
634.7
Current official/published rating (highest between Raw, WR and WP)
1130.0
Current highest rating achieved
1130.0
Current floor (min rating allowed)
630.0
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)
±183.2
Current Raw change used (final)
0.0
Projected new Raw rating
1130.0
Projected new Weighed rating
1039.6
Projected new Weighted performance
634.7
Projected new final Raw rating (if new WP > new Raw)
1130.0
Projected new highest rating
1130.0
Projected new floor
630.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1130.0
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
970.4
Current Weighted rating
970.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
970.4
Current highest rating achieved
970.4
Current floor (min rating allowed)
500.0
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)
±230.0
Current Raw change used (final)
0.0
Projected new Raw rating
970.4
Projected new Weighed rating
892.8
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
970.4
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
970.4
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
1166.4
Current Weighted rating
1165.9
Current Weighted performance
668.1
Current official/published rating (highest between Raw, WR and WP)
1166.4
Current highest rating achieved
1166.4
Current floor (min rating allowed)
666.4
Current K-factor
40
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)
±173.9
Current Raw change used (final)
0.0
Projected new Raw rating
1166.4
Projected new Weighed rating
1073.1
Projected new Weighted performance
668.1
Projected new final Raw rating (if new WP > new Raw)
1166.4
Projected new highest rating
1166.4
Projected new floor
666.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1166.4
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
970.4
Current Weighted rating
970.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
970.4
Current highest rating achieved
970.4
Current floor (min rating allowed)
500.0
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)
±230.0
Current Raw change used (final)
0.0
Projected new Raw rating
970.4
Projected new Weighed rating
892.8
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
970.4
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
970.4
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
Mpumalanga Finaal 2022 (O19)
2022/08/22
2022/08/22
Gert Sibande (MGS)
Rapid
30
0.60
5
5
5.0
1050.3
1027.2
Analysis
4
Gert Sibande Laerskole Finaal 2019 (O13)
2019/08/02
2019/08/02
Gert Sibande (MGS)
Rapid
30
0.60
5
5
2.5
1032.3
1030.8
Analysis
3
2019 Super 12 Laerskole (Seniors)
2019/05/04
2019/05/04
Tshwane (GTP)
Rapid
30
0.60
5
5
3.0
1035.2
1050.4
Analysis
2
Gert Sibande Primary School Trials 2018 (U11 Boys)
2018/05/19
2018/05/19
Gert Sibande (MGS)
Rapid
30
0.60
5
5
5.0
970.4
970.4
Analysis
1
2018 Super 12 (Senior)
2018/05/05
2018/05/05
Tshwane (GTP)
Rapid
30
0.60
5
5
2.5
970.4
970.4
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
17
2
6
18.0
72.0
187.0
1048.6
1235.6
White
13
9
1
3
9.5
73.1
196.2
1127.5
1323.6
Black
12
8
1
3
8.5
70.8
177.1
963.1
1140.2
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
17
2
6
18.0
72.0
187.0
1048.6
1235.6
White
13
9
1
3
9.5
73.1
196.2
1127.5
1323.6
Black
12
8
1
3
8.5
70.8
177.1
963.1
1140.2
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
105090453
De Wet, WM (Willem Muller)
1
1.0
1
0
0
100.0
970.4
425.0
1395.4
View list
2
108064020
Bruwer, JO (Jacobus)
1
1.0
1
0
0
100.0
1035.2
425.0
1460.2
View list
3
1060111970
Bezuidenhout, A (Anru)
1
1.0
1
0
0
100.0
1035.2
425.0
1460.2
View list
4
1060145340
Ledimo, B (Bontsi)
1
1.0
1
0
0
100.0
1050.3
425.0
1475.3
View list
5
1040145336
Erasmus, A (Amelia)
1
1.0
1
0
0
100.0
1050.3
425.0
1475.3
View list
6
107082227
Du Toit, A (Aj)
1
1.0
1
0
0
100.0
970.4
425.0
1395.4
View list
7
107089771
Nkosi, S (Siyabonga)
1
1.0
1
0
0
100.0
970.4
425.0
1395.4
View list
8
1050145351
Mukucha, A (Allen)
1
1.0
1
0
0
100.0
1050.3
425.0
1475.3
View list
9
1080117416
Masuku, L (Lunga)
1
1.0
1
0
0
100.0
1032.3
425.0
1457.3
View list
10
1040145344
Masilela, B (Bonginkosi)
1
1.0
1
0
0
100.0
1050.3
425.0
1475.3
View list
11
107087263
Thwala, T (Tokozane)
1
1.0
1
0
0
100.0
970.4
425.0
1395.4
View list
12
106086008
Swart, Z (Zander)
1
1.0
1
0
0
100.0
970.4
425.0
1395.4
View list
13
1070104082
Skhosana, L (Lwazi)
1
1.0
1
0
0
100.0
1032.3
425.0
1457.3
View list
14
106078897
Schultz, R (Ryno)
1
1.0
1
0
0
100.0
1035.2
425.0
1460.2
View list
15
108090785
Victor, X (Xander)
1
1.0
1
0
0
100.0
970.4
425.0
1395.4
View list
16
109095283
Williams, N (Nishalan)
1
1.0
1
0
0
100.0
970.4
425.0
1395.4
View list
17
2060102924
Zungu, PS (Phokhuhle Syble)
1
1.0
1
0
0
100.0
1050.3
425.0
1475.3
View list
18
107086386
Pieters, QL (Quintin)
1
0.5
0
1
0
50.0
1032.3
0.0
1032.3
View list
19
101056678
Louw, R (Ricardo)
1
0.5
0
1
0
50.0
970.4
0.0
970.4
View list
20
106057254
Curlewis, R (Ruart)
1
0.0
0
0
1
0.0
1035.2
-425.0
610.2
View list