Chess South Africa
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Chess South Africa
John, R (Ruben)
Dob:
2006/01/06 (U20)
Gender:
Male
Chess SA id:
1060141771
FIDE id:
Region:
Buffalo City (EBC)
Citizen:
RSA
Title(s):
Last active:
2024/04/06 (37 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
1466.0
Curent Weighted rating
1343.6
Curent Weighted performance
1459.7
Current official/published rating (highest between Raw, WR and WP)
1466.0
Current floor (min rating allowed)
966.0
Current highest rating achieved
1466.0
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)
±113.5
Current Raw change used (final)
0.0
Projected new Raw rating
1466.0
Projected new Weighed rating
1355.8
Projected new Weighted performance
1459.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1466.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1466.0
Projected new floor
966.0
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
1475.8
Curent Weighted rating
1321.4
Curent Weighted performance
1469.4
Current official/published rating (highest between Raw, WR and WP)
1475.8
Current floor (min rating allowed)
975.8
Current highest rating achieved
1475.8
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)
±111.9
Current Raw change used (final)
0.0
Projected new Raw rating
1475.8
Projected new Weighed rating
1336.9
Projected new Weighted performance
1469.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1475.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1475.8
Projected new floor
975.8
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
1242.1
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1242.1
Current floor (min rating allowed)
742.1
Current highest rating achieved
1242.1
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)
±156.2
Current Raw change used (final)
0.0
Projected new Raw rating
1242.1
Projected new Weighed rating
1204.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1242.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1242.1
Projected new floor
742.1
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
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
742.1
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
742.1
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
2
2nd Buffalo City Chess Trials 2024 (U20A)
2024/04/06
2024/04/06
Buffalo City (EBC)
Standard
60
0.83
5
5
2.5
1409.9
1410.9
Analysis
1
1st BC Chess Trials 2024 (U20+A)
2024/03/02
2024/03/02
Buffalo City (EBC)
Standard
60
0.83
5
5
4.0
1360.0
1339.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
7
2nd Buffalo City Chess Trials 2024 (U20A)
2024/04/06
2024/04/06
Buffalo City (EBC)
Standard
60
0.83
5
5
2.5
1409.9
1410.9
Analysis
6
1st BC Chess Trials 2024 (U20+A)
2024/03/02
2024/03/02
Buffalo City (EBC)
Standard
60
0.83
5
5
4.0
1360.0
1339.6
Analysis
5
4th BC HS Trials 2023 (U18A-Adult)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1294.3
1269.4
Analysis
4
BC Chess Trials 1 of 5 2023 (Prestige)
2023/04/29
2023/04/29
Buffalo City (EBC)
Standard
60
0.83
5
4
1.0
1308.0
1282.4
Analysis
3
3rd Vikings Champs 2023 (U18-Adults)
2023/03/23
2023/03/23
Buffalo City (EBC)
Standard
60
0.83
5
5
4.5
1253.0
1200.0
Analysis
2
BC Chess Trials 5 of 5 2022 (A)
2022/06/11
2022/06/11
Buffalo City (EBC)
Rapid
12
0.33
10
10
5.5
1228.6
1175.2
Analysis
1
BC Chess 4th Border Trials 2022 (A)
2022/05/21
2022/05/21
Buffalo City (EBC)
Rapid
12
0.33
10
9
5.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
6
1
3
6.5
65.0
127.5
1464.8
1592.3
White
5
4
1
0
4.5
90.0
340.0
1386.8
1726.8
Black
5
2
0
3
2.0
40.0
-85.0
1542.8
1457.8
Standard
All
10
6
1
3
6.5
65.0
127.5
1464.8
1592.3
White
5
4
1
0
4.5
90.0
340.0
1386.8
1726.8
Black
5
2
0
3
2.0
40.0
-85.0
1542.8
1457.8
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
43
25
3
15
26.5
61.6
98.8
1379.0
1477.9
White
22
16
3
3
17.5
79.5
251.1
1315.8
1567.0
Black
21
9
0
12
9.0
42.9
-60.7
1445.2
1384.5
Standard
All
24
15
2
7
16.0
66.7
141.7
1389.3
1530.9
White
13
9
2
2
10.0
76.9
228.8
1342.5
1571.3
Black
11
6
0
5
6.0
54.5
38.6
1444.6
1483.2
Rapid
All
19
10
1
8
10.5
55.3
44.7
1366.1
1410.8
White
9
7
1
1
7.5
83.3
283.3
1277.4
1560.7
Black
10
3
0
7
3.0
30.0
-170.0
1445.9
1275.9
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
106065282
Meise, K (Keagen)
3
0.0
0
0
3
0.0
1279.5
-425.0
854.5
View list
2
1120109254
Mazikana, E (Ethan)
2
2.0
2
0
0
100.0
1385.0
425.0
1810.0
View list
3
205056862
Becker, R (Robyn)
2
2.0
2
0
0
100.0
1214.3
425.0
1639.3
View list
4
108088680
Pearson, E (Ethan)
2
2.0
2
0
0
100.0
1214.3
425.0
1639.3
View list
5
206044984
Qangule, MK (Mandibonge)
2
2.0
2
0
0
100.0
1214.3
425.0
1639.3
View list
6
106065267
Becker, M (Matthew)
2
1.0
1
0
1
50.0
1268.3
0.0
1268.3
View list
7
189044421
Racaza, S (Sinovuyo)
2
0.5
0
1
1
25.0
1359.0
-212.5
1146.5
View list
8
1060104008
Totose, Z (Zimi)
2
0.0
0
0
2
0.0
1247.2
-425.0
822.2
View list
9
175013556
Jama, MG (Mxoni)
1
1.0
1
0
0
100.0
1228.6
425.0
1653.6
View list
10
2060098046
Jacobs, E (Elsje)
1
1.0
1
0
0
100.0
1360.0
425.0
1785.0
View list
11
1070153856
Gabela, L (Lomzi)
1
1.0
1
0
0
100.0
1294.3
425.0
1719.3
View list
12
1060109309
Martnitz, K (Keenan)
1
1.0
1
0
0
100.0
1228.6
425.0
1653.6
View list
13
194052815
Mafongosi, X (Xhanti)
1
1.0
1
0
0
100.0
1409.9
425.0
1834.9
View list
14
1070149015
Dabula, I (Inathi)
1
1.0
1
0
0
100.0
1294.3
425.0
1719.3
View list
15
110088674
Chang, S (Samuel)
1
1.0
1
0
0
100.0
1294.3
425.0
1719.3
View list
16
1060119505
Bwema, D (David)
1
1.0
1
0
0
100.0
1253.0
425.0
1678.0
View list
17
194003984
Buss, MJ (Matthew)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
18
1060153261
Moumin, S (Salem)
1
1.0
1
0
0
100.0
1360.0
425.0
1785.0
View list
19
106066546
Ngculana, Z (Zachuma)
1
1.0
1
0
0
100.0
1294.3
425.0
1719.3
View list
20
1060114243
Nkonyeni, L (Lihle)
1
1.0
1
0
0
100.0
1253.0
425.0
1678.0
View list