Chess South Africa
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Chess South Africa
Collier, R (Rodger)
Dob:
1982/09/03 (Adult)
Gender:
Male
Chess SA id:
1820147205
FIDE id:
Region:
Nelson Mandela Bay (ENM)
Citizen:
RSA
Title(s):
Last active:
2023/08/12 (280 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
Curent Raw rating
1247.6
Curent Weighted rating
1233.1
Curent Weighted performance
1077.0
Current official/published rating (highest between Raw, WR and WP)
1247.6
Current floor (min rating allowed)
764.2
Current highest rating achieved
1264.2
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)
±154.9
Current Raw change used (final)
0.0
Projected new Raw rating
1247.6
Projected new Weighed rating
1234.7
Projected new Weighted performance
1077.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1247.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1264.2
Projected new floor
764.2
Projected new K-facor
36
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
Curent Raw rating
1200.0
Curent Weighted rating
1203.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1203.4
Current floor (min rating allowed)
752.0
Current highest rating achieved
1252.0
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
1203.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1203.1
Projected effective change (new Official - current Official)
-0.3
Projected new highest rating
1252.0
Projected new floor
752.0
Projected new K-facor
36
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
Curent Raw rating
1305.5
Curent Weighted rating
1261.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1305.5
Current floor (min rating allowed)
805.5
Current highest rating achieved
1305.5
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)
±142.7
Current Raw change used (final)
0.0
Projected new Raw rating
1305.5
Projected new Weighed rating
1266.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1305.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1305.5
Projected new floor
805.5
Projected new K-facor
36
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
Curent Raw rating
1300.0
Curent Weighted rating
1236.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1300.0
Current floor (min rating allowed)
805.5
Current highest rating achieved
1300.0
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)
±143.8
Current Raw change used (final)
0.0
Projected new Raw rating
1300.0
Projected new Weighed rating
1243.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1300.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1300.0
Projected new floor
805.5
Projected new K-facor
36
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
NMBCU Closed 2023 (Adults)
2023/08/11
2023/08/12
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
2.0
1225.6
1204.5
Analysis
4
NMBCU Trial 4 2023 (U20+Open)
2023/07/28
2023/07/29
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
4
1.5
1227.7
1205.6
Analysis
3
EP Trials 3 2023 (Open)
2023/05/05
2023/05/06
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
2.0
1264.2
1252.0
Analysis
2
NMB 2nd Trials 2023 (Adults)
2023/03/24
2023/03/25
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
4.0
1223.0
1200.0
Analysis
1
2022 Madibaz Physics Chess Open (E)
2022/10/07
2022/10/08
Nelson Mandela Bay (ENM)
Rapid
30
0.60
6
5
3.5
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
27
12
2
13
13.0
48.1
-15.7
1276.0
1260.3
White
14
7
1
6
7.5
53.6
30.4
1280.9
1311.3
Black
13
5
1
7
5.5
42.3
-65.4
1270.8
1205.4
Standard
All
22
9
1
12
9.5
43.2
-58.0
1293.3
1235.4
White
11
4
1
6
4.5
40.9
-77.3
1303.0
1225.7
Black
11
5
0
6
5.0
45.5
-38.6
1283.6
1245.0
Rapid
All
5
3
1
1
3.5
70.0
170.0
1200.0
1370.0
White
3
3
0
0
3.0
100.0
425.0
1200.0
1625.0
Black
2
0
1
1
0.5
25.0
-212.5
1200.0
987.5
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
1030143841
Bouwer, T (Tiaan)
4
3.5
3
1
0
87.5
1235.1
318.8
1553.9
View list
2
185026999
Ndyova, T (Thanduxolo)
3
1.0
1
0
2
33.3
1238.3
-141.7
1096.6
View list
3
1790140433
Kapp, J (Jacinto)
2
1.0
1
0
1
50.0
1224.3
0.0
1224.3
View list
4
101066748
Mapungwana, S (Sikelela)
2
0.0
0
0
2
0.0
1243.6
-425.0
818.6
View list
5
1030132838
Manley, D (David Luc)
2
0.0
0
0
2
0.0
1246.0
-425.0
821.0
View list
6
1050151186
Swanepoel, D (Diego)
1
1.0
1
0
0
100.0
1264.2
425.0
1689.2
View list
7
101056732
Ngwala, L (Lutho)
1
1.0
1
0
0
100.0
1223.0
425.0
1648.0
View list
8
2990147059
Hlophe, Y (Yamkela)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
200001157
Balfour, A (Anesipho)
1
1.0
1
0
0
100.0
1225.6
425.0
1650.6
View list
10
1030139791
Putulu, S (Sonwabiso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
2850147221
Pujirana, A (Andi Isni)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
104055277
Peter, M (Mnico)
1
1.0
1
0
0
100.0
1227.7
425.0
1652.7
View list
13
1870147219
Ntari, A (Asa)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
14
1010147064
Zulu, B (Bayanda)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
153043180
Wolmarans, GM (Gregory)
1
0.0
0
0
1
0.0
1223.0
-425.0
798.0
View list
16
2040131328
Swartbooi, I (Ina)
1
0.0
0
0
1
0.0
1264.2
-425.0
839.2
View list
17
199061823
Smith, AS (Achmat Siraaj)
1
0.0
0
0
1
0.0
1225.6
-425.0
800.6
View list
18
197034736
Simons, D (Daniel)
1
0.0
0
0
1
0.0
1225.6
-425.0
800.6
View list
19
182027949
Nkosi, DJ (Dumisa)
1
0.0
0
0
1
0.0
1225.6
-425.0
800.6
View list