Chess South Africa
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Chess South Africa
De Graaff, R (Ruben)
Dob:
2012/04/23 (U14)
Gender:
Male
Chess SA id:
1120117573
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2020/01/25 (1614 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
1176.8
Current Weighted rating
1176.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1176.8
Current highest rating achieved
1247.5
Current floor (min rating allowed)
747.5
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)
±171.4
Current Raw change used (final)
0.0
Projected new Raw rating
1176.8
Projected new Weighed rating
1082.7
Projected new Weighted performance
374.8
Projected new final Raw rating (if new WP > new Raw)
1176.8
Projected new highest rating
1247.5
Projected new floor
747.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1176.8
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
1169.8
Current Weighted rating
1169.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1169.8
Current highest rating achieved
1257.2
Current floor (min rating allowed)
757.2
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)
±173.1
Current Raw change used (final)
0.0
Projected new Raw rating
1169.8
Projected new Weighed rating
1076.2
Projected new Weighted performance
374.8
Projected new final Raw rating (if new WP > new Raw)
1169.8
Projected new highest rating
1257.2
Projected new floor
757.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1169.8
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
4
2020 Registration Tournament (E)
2020/01/25
2020/01/25
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1214.1
1218.0
Analysis
3
2019 Alekhine Open (F)
2019/08/09
2019/08/09
Tshwane (GTP)
Standard
120
1.00
5
5
2.0
1245.4
1252.9
Analysis
2
2018 Gauteng League Final (U9)
2018/08/24
2018/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1247.5
1257.2
Analysis
1
Ekurhuleni North Schools Individuals 2018
2018/05/12
2018/05/12
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.5
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
25
13
1
11
13.5
54.0
34.0
1134.8
1168.8
White
14
6
0
8
6.0
42.9
-60.7
1185.5
1124.8
Black
11
7
1
3
7.5
68.2
154.5
1070.3
1224.9
Standard
All
25
13
1
11
13.5
54.0
34.0
1134.8
1168.8
White
14
6
0
8
6.0
42.9
-60.7
1185.5
1124.8
Black
11
7
1
3
7.5
68.2
154.5
1070.3
1224.9
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
1120106596
Prinsloo, M (Migael)
2
2.0
2
0
0
100.0
1245.4
425.0
1670.4
View list
2
1120109369
De Jager, G (Gustave)
2
2.0
2
0
0
100.0
1245.4
425.0
1670.4
View list
3
1130112187
Le Roux, J (Johannes)
2
0.0
0
0
2
0.0
1245.4
-425.0
820.4
View list
4
2120105112
Bogaard, A (Anneke)
2
0.0
0
0
2
0.0
1245.4
-425.0
820.4
View list
5
1120117574
Stander, A (Andrew)
2
0.0
0
0
2
0.0
1245.4
-425.0
820.4
View list
6
2110106589
Friedrich, M (Miane)
1
1.0
1
0
0
100.0
1214.1
425.0
1639.1
View list
7
1090105697
Poustie, LM (Liam Marx)
1
1.0
1
0
0
100.0
1247.5
425.0
1672.5
View list
8
1090101484
Negota, K (Khodani)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
2090105660
Moll, N (Nieke)
1
1.0
1
0
0
100.0
1247.5
425.0
1672.5
View list
10
1000101482
Mlotshwa, N (Njabulo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
2120117083
Lombard, N (Nicole)
1
1.0
1
0
0
100.0
1214.1
425.0
1639.1
View list
12
1000101492
Van Zyl, S (Sharick)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
13
1090101501
Botha, T (Trevor Justus)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1090105696
Barradas, K (Keanu)
1
1.0
1
0
0
100.0
1247.5
425.0
1672.5
View list
15
109084256
Hattingh, T (Tiaan)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
16
1120116373
Weitz, J (Johann)
1
0.0
0
0
1
0.0
1214.1
-425.0
789.1
View list
17
109083430
Swanepoel, D (Darius)
1
0.0
0
0
1
0.0
1247.5
-425.0
822.5
View list
18
109069454
Sathish, A (Abinavah)
1
0.0
0
0
1
0.0
1247.5
-425.0
822.5
View list
19
1110119616
Kruger, J (Jason)
1
0.0
0
0
1
0.0
1214.1
-425.0
789.1
View list
20
1110100045
Gondwe, P (Prosper)
1
0.0
0
0
1
0.0
1214.1
-425.0
789.1
View list