Chess South Africa
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Chess South Africa
De Koker, R (Rigardt)
Dob:
2015/10/28 (U10)
Gender:
Male
Chess SA id:
1150149226
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2023/08/05 (324 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
1118.3
Current Weighted rating
1127.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1127.7
Current highest rating achieved
1135.6
Current floor (min rating allowed)
635.6
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)
±186.3
Current Raw change used (final)
0.0
Projected new Raw rating
1118.3
Projected new Weighed rating
1036.2
Projected new Weighted performance
861.7
Projected new final Raw rating (if new WP > new Raw)
1118.3
Projected new highest rating
1135.6
Projected new floor
635.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1118.3
Projected effective change (new Official - current Official)
-9.4
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
1110.0
Current Weighted rating
1119.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1119.1
Current highest rating achieved
1122.4
Current floor (min rating allowed)
622.4
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)
±188.5
Current Raw change used (final)
0.0
Projected new Raw rating
1110.0
Projected new Weighed rating
1028.1
Projected new Weighted performance
861.7
Projected new final Raw rating (if new WP > new Raw)
1110.0
Projected new highest rating
1122.4
Projected new floor
622.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1110.0
Projected effective change (new Official - current Official)
-9.1
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
4
West Rand at Bastion 2023 (U10)
2023/08/05
2023/08/05
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1113.7
1099.6
Analysis
3
2023 West Rand RHS Open (U10)
2023/06/10
2023/06/10
West Rand (GWR)
Standard
60
0.83
5
5
1.5
1135.6
1122.4
Analysis
2
WR Tournament and Coaching 2023 (U10)
2023/02/25
2023/02/25
West Rand (GWR)
Standard
60
0.83
5
5
1.0
1200.0
1200.0
Analysis
1
2023 West Rand Open (U10)
2023/02/04
2023/02/04
West Rand (GWR)
Standard
60
0.83
5
5
1.5
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
20
5
2
13
6.0
30.0
-170.0
1228.9
1058.9
White
10
3
0
7
3.0
30.0
-170.0
1247.8
1077.8
Black
10
2
2
6
3.0
30.0
-170.0
1210.1
1040.1
Standard
All
20
5
2
13
6.0
30.0
-170.0
1228.9
1058.9
White
10
3
0
7
3.0
30.0
-170.0
1247.8
1077.8
Black
10
2
2
6
3.0
30.0
-170.0
1210.1
1040.1
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
1140139675
Naidoo, J (James)
2
0.0
0
0
2
0.0
1200.0
-425.0
775.0
View list
2
2140157466
Mangqayi, B (Busisiwe)
1
1.0
1
0
0
100.0
1135.6
425.0
1560.6
View list
3
1140149235
Van Wyk, N (Nihann)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1150159299
Roux, M (Marelie)
1
1.0
1
0
0
100.0
1113.7
425.0
1538.7
View list
5
1140156381
Nxumalo, T (Thando Amohelang)
1
1.0
1
0
0
100.0
1113.7
425.0
1538.7
View list
6
2140149233
Madi, N (Noleen)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1150149230
Kamffer, J (John-Andrew)
1
0.5
0
1
0
50.0
1135.6
0.0
1135.6
View list
8
1150149232
Le Roux, K (Keano)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
9
2150156385
Vis, K (Katlego)
1
0.0
0
0
1
0.0
1113.7
-425.0
688.7
View list
10
1150157468
Ninham, G (Grant)
1
0.0
0
0
1
0.0
1113.7
-425.0
688.7
View list
11
1140156376
Mlambo, M (Mbulelo Ntsako)
1
0.0
0
0
1
0.0
1135.6
-425.0
710.6
View list
12
1140136180
Malikebu, S (Solomzi)
1
0.0
0
0
1
0.0
1113.7
-425.0
688.7
View list
13
1140154497
Machine, K (Kwezi)
1
0.0
0
0
1
0.0
1135.6
-425.0
710.6
View list
14
1150149231
Laubscher, D (Declan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
1150149229
Jordaan, L (Louryn)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
2150156373
Erasmus, S (Sonja)
1
0.0
0
0
1
0.0
1135.6
-425.0
710.6
View list
17
1140149225
Coetzer, L (Logan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
1150149223
Botha, AZ (Adriaan Zander)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
1140150821
Balkison, S (Sebastian)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list