Chess South Africa
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Chess South Africa
Grobler, R (Rowan)
Dob:
2011/08/16 (U14)
Gender:
Male
Chess SA id:
1110140037
FIDE id:
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (26 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
1412.7
Curent Weighted rating
1372.4
Curent Weighted performance
1405.3
Current official/published rating (highest between Raw, WR and WP)
1412.7
Current floor (min rating allowed)
1003.6
Current highest rating achieved
1503.6
Current K-factor
32
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)
±122.5
Current Raw change used (final)
0.0
Projected new Raw rating
1412.7
Projected new Weighed rating
1373.9
Projected new Weighted performance
1405.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1412.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1503.6
Projected new floor
1003.6
Projected new K-facor
32
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
1411.0
Curent Weighted rating
1376.3
Curent Weighted performance
1403.6
Current official/published rating (highest between Raw, WR and WP)
1411.0
Current floor (min rating allowed)
1006.0
Current highest rating achieved
1506.0
Current K-factor
32
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)
±122.8
Current Raw change used (final)
0.0
Projected new Raw rating
1411.0
Projected new Weighed rating
1377.5
Projected new Weighted performance
1403.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1411.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1506.0
Projected new floor
1006.0
Projected new K-facor
32
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
1145.2
Curent Weighted rating
1164.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1164.4
Current floor (min rating allowed)
645.2
Current highest rating achieved
1145.2
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)
±179.3
Current Raw change used (final)
0.0
Projected new Raw rating
1145.2
Projected new Weighed rating
1161.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1161.8
Projected effective change (new Official - current Official)
-2.6
Projected new highest rating
1145.2
Projected new floor
645.2
Projected new K-facor
40
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
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
645.2
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
645.2
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Bojanala Olienpark's One For The Ages 2024 (Bishops)
2024/04/20
2024/04/20
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1387.5
1392.3
Analysis
3
Bojanala's Rating Express 2024 (Bishops)
2024/04/06
2024/04/06
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1387.5
1392.3
Analysis
2
Bojanala Closed Chess Championships Finals 2024 (U14)
2024/02/09
2024/02/11
Bojanala Platina (NBR)
Standard
120
1.00
5
5
2.5
1339.3
1353.4
Analysis
1
Bojanala Closed Chess Championships Stage 1 2024 (U14)
2024/01/27
2024/01/27
Bojanala Platina (NBR)
Standard
60
0.83
5
4
3.5
1283.3
1286.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
23
Bojanala Olienpark's One For The Ages 2024 (Bishops)
2024/04/20
2024/04/20
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1387.5
1392.3
Analysis
22
Bojanala's Rating Express 2024 (Bishops)
2024/04/06
2024/04/06
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1387.5
1392.3
Analysis
21
Bojanala Closed Chess Championships Finals 2024 (U14)
2024/02/09
2024/02/11
Bojanala Platina (NBR)
Standard
120
1.00
5
5
2.5
1339.3
1353.4
Analysis
20
Bojanala Closed Chess Championships Stage 1 2024 (U14)
2024/01/27
2024/01/27
Bojanala Platina (NBR)
Standard
60
0.83
5
4
3.5
1283.3
1286.5
Analysis
19
2023 Cross Border Chess Championships Gaborone vs Bojanala
2023/12/14
2023/12/16
Botswana (BOT)
Standard
120
1.00
5
5
3.0
1327.9
1344.1
Analysis
18
Bojanala's Merry ChessMas 2023 (Rooks)
2023/12/09
2023/12/09
Bojanala Platina (NBR)
Standard
60
0.83
5
5
1.0
1327.9
1344.1
Analysis
17
Bojanala School League 2023 (Primary School Open)
2023/08/19
2023/08/19
Bojanala Platina (NBR)
Rapid
40
0.70
5
5
1.0
1386.1
1200.0
Analysis
16
Bojanala's Rosewood 2023 (Rooks)
2023/08/12
2023/08/12
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
1386.1
1381.5
Analysis
15
Bojanala's FIDE in the Sparkling Waters 2023 (Rooks)
2023/07/28
2023/07/30
Bojanala Platina (NBR)
Standard
120
1.00
6
6
2.5
1422.3
1416.4
Analysis
14
Grenswag's Community Battle 2023 (Rooks)
2023/04/22
2023/04/22
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1406.1
1395.9
Analysis
13
Schoemies Kings & Queens 2023 (Rooks)
2023/03/18
2023/03/18
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
1442.0
1439.7
Analysis
12
One For The Ages 2023 (U14)
2023/02/18
2023/02/18
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1426.1
1422.1
Analysis
11
2022 South African Junior Team Chess Championships (U12 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
7
5.0
1419.1
1415.1
Analysis
10
West Rand vs Bojanala 2022 (U12A)
2022/11/05
2022/11/05
Bojanala Platina (NBR)
Standard
60
0.83
6
6
3.0
1430.0
1427.6
Analysis
9
FIDE at The King`s Gate 2.0 2022 (C)
2022/10/22
2022/10/22
Bojanala Platina (NBR)
Standard
92
0.94
5
5
2.0
1502.5
1506.0
Analysis
8
Bojanala SAJCC Trials 2022 (U12)
2022/09/23
2022/09/23
Bojanala Platina (NBR)
Standard
120
1.00
5
5
3.0
1503.6
1497.0
Analysis
7
Larries The Final Wild Card Tournament 2022 (U12)
2022/09/17
2022/09/17
Bojanala Platina (NBR)
Standard
60
0.83
5
4
4.0
1503.6
1497.0
Analysis
6
Bojanala Chess Federation Wildcards 2022 (U12)
2022/08/20
2022/08/20
Bojanala Platina (NBR)
Standard
62
0.84
5
5
4.0
1502.5
1495.1
Analysis
5
2nd One For The Ages 2022 (U12)
2022/07/30
2022/07/30
Bojanala Platina (NBR)
Standard
60
0.83
5
4
3.0
1342.0
1364.3
Analysis
4
Bojanala Chess Federation Clash of Schools 2022 (PS Championship)
2022/07/22
2022/07/22
Bojanala Platina (NBR)
Standard
60
0.83
5
5
5.0
1342.0
1364.3
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
19
10
4
5
12.0
63.2
111.8
1365.8
1477.6
White
8
5
2
1
6.0
75.0
212.5
1400.5
1613.0
Black
11
5
2
4
6.0
54.5
38.6
1340.6
1379.2
Standard
All
19
10
4
5
12.0
63.2
111.8
1365.8
1477.6
White
8
5
2
1
6.0
75.0
212.5
1400.5
1613.0
Black
11
5
2
4
6.0
54.5
38.6
1340.6
1379.2
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
116
70
7
39
73.5
63.4
113.6
1286.9
1400.5
White
56
34
4
18
36.0
64.3
121.4
1283.8
1405.2
Black
60
36
3
21
37.5
62.5
106.3
1289.8
1396.1
Standard
All
111
69
7
35
72.5
65.3
130.2
1280.4
1410.6
White
54
33
4
17
35.0
64.8
125.9
1280.6
1406.5
Black
57
36
3
18
37.5
65.8
134.2
1280.3
1414.5
Rapid
All
5
1
0
4
1.0
20.0
-255.0
1430.9
1175.9
White
2
1
0
1
1.0
50.0
0.0
1370.9
1370.9
Black
3
0
0
3
0.0
0.0
-425.0
1470.9
1045.9
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
1110099324
Roos, J (Justin)
6
2.0
2
0
4
33.3
1387.5
-141.7
1245.8
View list
2
1110136394
Botha, J (Johannes Cornelis)
5
2.5
2
1
2
50.0
1403.0
0.0
1403.0
View list
3
1110136771
Watt, C (Chad)
4
3.0
3
0
1
75.0
1407.4
212.5
1619.9
View list
4
1120133385
Myburgh, B (Braydan)
3
3.0
3
0
0
100.0
1449.4
425.0
1874.4
View list
5
1120117881
Potgieter, R (Reinhardt)
3
3.0
3
0
0
100.0
1411.0
425.0
1836.0
View list
6
1110131242
Changara, A (Adiel Tavonga)
3
2.0
2
0
1
66.7
1378.1
141.7
1519.7
View list
7
1110143714
Terblanche, J (Johann)
3
2.0
2
0
1
66.7
1399.9
141.7
1541.6
View list
8
1110099325
Nortman, WJ (Wilhelmus Johan)
3
1.0
1
0
2
33.3
1390.5
-141.7
1248.8
View list
9
1130131230
Changara, A (Alvis Tafadzwa)
3
0.5
0
1
2
16.7
1367.2
-283.3
1083.8
View list
10
211093260
Jansen Van Vuuren, M (Mari)
2
2.0
2
0
0
100.0
1464.8
425.0
1889.8
View list
11
2120111293
Gouws, K (Karah)
2
2.0
2
0
0
100.0
1422.8
425.0
1847.8
View list
12
1100148730
Nkabinde, L (Lwazi)
2
2.0
2
0
0
100.0
1357.0
425.0
1782.0
View list
13
1100132783
Sehunwe, L (Lethlogonolo)
2
2.0
2
0
0
100.0
1354.4
425.0
1779.4
View list
14
2110136768
Monare, O (Oratilwe)
2
1.5
1
1
0
75.0
1404.9
212.5
1617.4
View list
15
1110140059
Tshetlhe, B (Blessing)
2
1.5
1
1
0
75.0
1269.7
212.5
1482.2
View list
16
2110141710
Dikolomela, T (Tlhogi)
2
1.0
2
0
1
50.0
1424.0
0.0
1424.0
View list
17
1090131247
Changara, A (Adrian Tafara)
2
1.0
1
0
1
50.0
1367.0
0.0
1367.0
View list
18
2070145129
Lekgabe, O (Olaotse Ipeleng)
2
0.5
0
1
1
25.0
1444.3
-212.5
1231.8
View list
19
1110135703
Bain, M (Michael)
2
0.0
0
0
2
0.0
1420.7
-425.0
995.7
View list
20
111092671
Van Der Berg, KW (Kai)
2
0.0
0
0
2
0.0
1342.0
-425.0
917.0
View list