Chess South Africa
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Chess South Africa
Van Der Merwe, R (Rocco)
Dob:
2006/01/19 (U20)
Gender:
Male
Chess SA id:
106083638
FIDE id:
Region:
Ehlanzeni (MEN)
Citizen:
RSA
Title(s):
Last active:
2023/07/29 (332 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
1128.7
Current Weighted rating
1132.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1132.0
Current highest rating achieved
1174.1
Current floor (min rating allowed)
674.1
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)
±183.5
Current Raw change used (final)
0.0
Projected new Raw rating
1128.7
Projected new Weighed rating
1041.2
Projected new Weighted performance
447.9
Projected new final Raw rating (if new WP > new Raw)
1128.7
Projected new highest rating
1174.1
Projected new floor
674.1
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1128.7
Projected effective change (new Official - current Official)
-3.3
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
1118.0
Current Weighted rating
1121.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1121.4
Current highest rating achieved
1169.6
Current floor (min rating allowed)
669.6
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)
±186.4
Current Raw change used (final)
0.0
Projected new Raw rating
1118.0
Projected new Weighed rating
1031.5
Projected new Weighted performance
447.9
Projected new final Raw rating (if new WP > new Raw)
1118.0
Projected new highest rating
1169.6
Projected new floor
669.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1118.0
Projected effective change (new Official - current Official)
-3.4
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
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
3
Interhigh 2023 (U19)
2023/07/29
2023/07/29
Ehlanzeni (MEN)
Standard
63
0.84
5
4
1.0
1141.5
1131.2
Analysis
2
Uplands Open Age 2019 (U14)
2019/03/09
2019/03/09
Ehlanzeni (MEN)
Standard
63
0.84
5
4
1.0
1174.1
1169.6
Analysis
1
Penryn Age Open 2018 (U14 Boys)
2018/04/21
2018/04/21
Ehlanzeni (MEN)
Standard
63
0.84
5
4
2.0
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
12
4
0
8
4.0
33.3
-141.7
1162.5
1020.9
White
6
1
0
5
1.0
16.7
-283.3
1159.6
876.3
Black
6
3
0
3
3.0
50.0
0.0
1165.4
1165.4
Standard
All
12
4
0
8
4.0
33.3
-141.7
1162.5
1020.9
White
6
1
0
5
1.0
16.7
-283.3
1159.6
876.3
Black
6
3
0
3
3.0
50.0
0.0
1165.4
1165.4
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
1060100267
De Wet, D (Dylan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2070111012
Bubb, M (Milamber)
1
1.0
1
0
0
100.0
1174.1
425.0
1599.1
View list
3
1060158708
Bayanele, P (Pasha)
1
1.0
1
0
0
100.0
1141.5
425.0
1566.5
View list
4
1050100269
Archer, S (Samuel Karl)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1060098243
Thabethe, T (Thando)
1
0.0
0
0
1
0.0
1141.5
-425.0
716.5
View list
6
1070149519
Spencer, T (Tyler)
1
0.0
0
0
1
0.0
1141.5
-425.0
716.5
View list
7
105031048
Pringle, AB (Andeon)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
107066888
Ogunjiofor, O (Onyinye)
1
0.0
0
0
1
0.0
1141.5
-425.0
716.5
View list
9
2070098893
Nixon, N (Neha)
1
0.0
0
0
1
0.0
1174.1
-425.0
749.1
View list
10
105087727
Naidoo, E (Eshan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
1060110774
Mabunda, M (Mizi)
1
0.0
0
0
1
0.0
1174.1
-425.0
749.1
View list
12
2060111014
Foss, C (Charlie)
1
0.0
0
0
1
0.0
1174.1
-425.0
749.1
View list
