Chess South Africa
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Chess South Africa
Grieve, R (Rayden)
Dob:
2011/08/18 (U14)
Gender:
Male
Chess SA id:
1110152502
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2024/05/04 (49 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
1062.1
Current Weighted rating
1087.6
Current Weighted performance
995.1
Current official/published rating (highest between Raw, WR and WP)
1087.6
Current highest rating achieved
1151.2
Current floor (min rating allowed)
651.2
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)
±201.8
Current Raw change used (final)
0.0
Projected new Raw rating
1062.1
Projected new Weighed rating
998.0
Projected new Weighted performance
995.1
Projected new final Raw rating (if new WP > new Raw)
1062.1
Projected new highest rating
1151.2
Projected new floor
651.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1062.1
Projected effective change (new Official - current Official)
-25.5
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
1056.8
Current Weighted rating
1076.5
Current Weighted performance
995.1
Current official/published rating (highest between Raw, WR and WP)
1076.5
Current highest rating achieved
1142.8
Current floor (min rating allowed)
642.8
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)
±203.3
Current Raw change used (final)
0.0
Projected new Raw rating
1056.8
Projected new Weighed rating
987.5
Projected new Weighted performance
995.1
Projected new final Raw rating (if new WP > new Raw)
1056.8
Projected new highest rating
1142.8
Projected new floor
642.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1056.8
Projected effective change (new Official - current Official)
-19.7
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
2024 D2 Schools Individuals (U13 Boys)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
5
1.5
1055.8
1048.0
Analysis
2
2024 West Rand Open (U14)
2024/02/03
2024/02/03
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1032.9
1017.2
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U14B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1065.6
1049.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
8
2024 D2 Schools Individuals (U13 Boys)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
5
1.5
1055.8
1048.0
Analysis
7
2024 West Rand Open (U14)
2024/02/03
2024/02/03
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1032.9
1017.2
Analysis
6
2024 Gauteng Inter-Region Chess Championship (U14B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1065.6
1049.2
Analysis
5
2023 West Rand Trials (U14)
2023/09/09
2023/09/09
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1049.7
1026.4
Analysis
4
West Rand at Bastion 2023 (Bishops)
2023/08/05
2023/08/05
West Rand (GWR)
Standard
60
0.83
5
4
0.0
1099.8
1083.6
Analysis
3
2023 West Rand RHS Open (Bishops)
2023/06/10
2023/06/10
West Rand (GWR)
Standard
60
0.83
5
5
1.0
1145.9
1137.6
Analysis
2
D2 Schools Individuals 2023 (U13 Boys)
2023/05/13
2023/05/13
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1151.2
1142.8
Analysis
1
West Rand Juniors 2023 (U14)
2023/03/18
2023/03/18
West Rand (GWR)
Standard
60
0.83
5
5
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
14
3
1
10
3.5
25.0
-212.5
1261.0
1048.5
White
6
2
0
4
2.0
33.3
-141.7
1265.8
1124.2
Black
8
1
1
6
1.5
18.8
-265.6
1257.4
991.8
Standard
All
14
3
1
10
3.5
25.0
-212.5
1261.0
1048.5
White
6
2
0
4
2.0
33.3
-141.7
1265.8
1124.2
Black
8
1
1
6
1.5
18.8
-265.6
1257.4
991.8
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
38
9
1
28
9.5
25.0
-212.5
1222.9
1010.4
White
18
4
0
14
4.0
22.2
-236.1
1219.7
983.6
Black
20
5
1
14
5.5
27.5
-191.2
1225.7
1034.4
Standard
All
38
9
1
28
9.5
25.0
-212.5
1222.9
1010.4
White
18
4
0
14
4.0
22.2
-236.1
1219.7
983.6
Black
20
5
1
14
5.5
27.5
-191.2
1225.7
1034.4
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
2110144964
Mangoejane, K (Katlego)
1
1.0
1
0
0
100.0
1145.9
425.0
1570.9
View list
2
1110150832
Cadman, J (Jessie Leigh)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1110192199
Butler, A (Avron)
1
1.0
1
0
0
100.0
1032.9
425.0
1457.9
View list
4
1110161877
Mogale, K (Katlego)
1
1.0
1
0
0
100.0
1049.7
425.0
1474.7
View list
5
1100156275
Mosweu, K (Kamogelo)
1
1.0
1
0
0
100.0
1151.2
425.0
1576.2
View list
6
1110161882
Paul, B (Blessing)
1
1.0
1
0
0
100.0
1049.7
425.0
1474.7
View list
7
1100156285
Qonda, N (Ntando)
1
1.0
1
0
0
100.0
1151.2
425.0
1576.2
View list
8
1120192202
Rooskrants, A (Anthony)
1
1.0
1
0
0
100.0
1032.9
425.0
1457.9
View list
9
1110303092
Roscher, Z (Zachary)
1
1.0
1
0
0
100.0
1055.8
425.0
1480.8
View list
10
1110303088
Noko, K (Katlego)
1
0.5
0
1
0
50.0
1055.8
0.0
1055.8
View list
11
1110156277
Mtsweni, T (Thapelo)
1
0.0
0
0
1
0.0
1151.2
-425.0
726.2
View list
12
1100157452
Mtinane, J (Jabulile)
1
0.0
0
0
1
0.0
1145.9
-425.0
720.9
View list
13
1060157451
Morare, K (Katleho)
1
0.0
0
0
1
0.0
1145.9
-425.0
720.9
View list
14
1100156268
Mazibuko, A (Avile)
1
0.0
0
0
1
0.0
1151.2
-425.0
726.2
View list
15
1110303084
Maseko, K (Karabo)
1
0.0
0
0
1
0.0
1055.8
-425.0
630.8
View list
16
1100151802
Maritz, L (Luke)
1
0.0
0
0
1
0.0
1065.6
-425.0
640.6
View list
17
2100101007
Bassie, U (Unathi)
1
0.0
0
0
1
0.0
1049.7
-425.0
624.7
View list
18
110084943
Ackerman, J (Johandre)
1
0.0
0
0
1
0.0
1065.6
-425.0
640.6
View list
19
1110159285
Makhubela, K (Kgakiso)
1
0.0
0
0
1
0.0
1099.8
-425.0
674.8
View list
20
1110115390
Jonker, R (Reagan)
1
0.0
0
0
1
0.0
1032.9
-425.0
607.9
View list