Chess South Africa
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Chess South Africa
Joseph, R (Riaan)
Dob:
2007/01/06 (U18)
Gender:
Male
Chess SA id:
107078602
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2023/02/18 (494 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
1178.0
Current Weighted rating
1181.8
Current Weighted performance
535.6
Current official/published rating (highest between Raw, WR and WP)
1181.8
Current highest rating achieved
1251.1
Current floor (min rating allowed)
751.1
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)
±171.1
Current Raw change used (final)
0.0
Projected new Raw rating
1178.0
Projected new Weighed rating
1086.6
Projected new Weighted performance
535.6
Projected new final Raw rating (if new WP > new Raw)
1178.0
Projected new highest rating
1251.1
Projected new floor
751.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1178.0
Projected effective change (new Official - current Official)
-3.8
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
1170.2
Current Weighted rating
1174.6
Current Weighted performance
522.2
Current official/published rating (highest between Raw, WR and WP)
1174.6
Current highest rating achieved
1261.6
Current floor (min rating allowed)
761.6
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)
±173.0
Current Raw change used (final)
0.0
Projected new Raw rating
1170.2
Projected new Weighed rating
1079.9
Projected new Weighted performance
522.2
Projected new final Raw rating (if new WP > new Raw)
1170.2
Projected new highest rating
1261.6
Projected new floor
761.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1170.2
Projected effective change (new Official - current Official)
-4.4
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
1222.8
Current Weighted rating
1222.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1222.8
Current highest rating achieved
1222.8
Current floor (min rating allowed)
722.8
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)
±160.5
Current Raw change used (final)
0.0
Projected new Raw rating
1222.8
Projected new Weighed rating
1125.0
Projected new Weighted performance
139.8
Projected new final Raw rating (if new WP > new Raw)
1222.8
Projected new highest rating
1222.8
Projected new floor
722.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1222.8
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
1104.8
Current Weighted rating
1104.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1104.8
Current highest rating achieved
1104.8
Current floor (min rating allowed)
604.8
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)
±189.9
Current Raw change used (final)
0.0
Projected new Raw rating
1104.8
Projected new Weighed rating
1016.4
Projected new Weighted performance
64.9
Projected new final Raw rating (if new WP > new Raw)
1104.8
Projected new highest rating
1104.8
Projected new floor
604.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1104.8
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
7
West Coast High School Championships 2023 (U17 Boys)
2023/02/18
2023/02/18
West Coast (WCU)
Standard
60
0.83
6
3
0.0
1218.3
1217.7
Analysis
6
Bo-Weskus Skole Prestige 2020 (O13 Seuns)
2020/02/15
2020/02/15
West Coast (WCU)
Standard
60
0.83
6
6
4.0
1188.1
1188.2
Analysis
5
Weskus Skole Prestige Skaak Kampioenskappe 2019 (O13 Seuns)
2019/03/02
2019/04/06
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1221.0
1231.4
Analysis
4
Bo-Weskus Skole Skaak Prestige 2019 (O13 Seuns)
2019/02/16
2019/02/16
West Coast (WCU)
Rapid
30
0.60
7
7
5.0
1208.0
1200.0
Analysis
3
West Coast Open 2018 (C)
2018/04/28
2018/04/28
West Coast (WCU)
Standard
70
0.87
5
5
3.0
1251.1
1261.6
Analysis
2
Freedom Day Blitz 2018 (Men)
2018/04/27
2018/04/27
West Coast (WCU)
Blitz
5
0.18
7
7
2.0
1251.1
1200.0
Analysis
1
West Coast Schools Prestige Individual Championship 2018 (U11 Boys)
2018/03/10
2018/03/24
West Coast (WCU)
Standard
60
0.83
6
3
3.0
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
37
20
0
17
20.0
54.1
34.5
1091.3
1125.8
White
17
9
0
8
9.0
52.9
25.0
1092.3
1117.3
Black
20
11
0
9
11.0
55.0
42.5
1090.5
1133.0
Standard
All
23
13
0
10
13.0
56.5
55.4
1109.7
1165.1
White
11
5
0
6
5.0
45.5
-38.6
1156.2
1117.6
Black
12
8
0
4
8.0
66.7
141.7
1067.0
1208.7
Rapid
All
7
5
0
2
5.0
71.4
182.1
1089.5
1271.6
White
3
3
0
0
3.0
100.0
425.0
1062.3
1487.3
Black
4
2
0
2
2.0
50.0
0.0
1109.9
1109.9
Blitz
All
7
2
0
5
2.0
28.6
-182.1
1032.8
850.7
White
3
1
0
2
1.0
33.3
-141.7
887.7
746.1
Black
4
1
0
3
1.0
25.0
-212.5
1141.7
929.2
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1080131878
Meyer, J (Junior)
2
2.0
2
0
0
100.0
1194.0
425.0
1619.0
View list
2
1090096258
Ocks, E (Ethan)
2
2.0
2
0
0
100.0
1251.1
425.0
1676.1
View list
3
107057155
Pretorius, JB (Johnny)
2
1.0
1
0
1
50.0
1198.0
0.0
1198.0
View list
4
1060110560
Groenewald, R (Randuaan)
2
0.0
0
0
2
0.0
1214.5
-425.0
789.5
View list
5
1070131870
Februarie, R (Ronaldinho)
1
1.0
1
0
0
100.0
1188.1
425.0
1613.1
View list
6
1060110567
Cloete, J (Josh-Will)
1
1.0
1
0
0
100.0
1208.0
425.0
1633.0
View list
7
106068748
Cloete, H (Howard)
1
1.0
1
0
0
100.0
1221.0
425.0
1646.0
View list
8
1060110566
Cloete, C (Caleb)
1
1.0
1
0
0
100.0
1188.1
425.0
1613.1
View list
9
106002594
Booyse, P (Pedro)
1
1.0
1
0
0
100.0
1208.0
425.0
1633.0
View list
10
1060110579
Karelse, D (Daylon)
1
1.0
1
0
0
100.0
1221.0
425.0
1646.0
View list
11
1060110582
Koegelenberg, D (Daniel)
1
1.0
1
0
0
100.0
1208.0
425.0
1633.0
View list
12
206060328
Maarman, P (Perusha)
1
1.0
1
0
0
100.0
1251.1
425.0
1676.1
View list
13
1000099743
Maroem, D (Dyran)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1060100541
Hoofdt, N (Nikyle)
1
1.0
1
0
0
100.0
1251.1
425.0
1676.1
View list
15
1070110576
November, T (Thurston)
1
1.0
1
0
0
100.0
1188.1
425.0
1613.1
View list
16
1000099750
Shivano, N (Nero)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
1070096249
Sithole, D (Dylan)
1
1.0
1
0
0
100.0
1251.1
425.0
1676.1
View list
18
1070110584
Valentyn, N (Ni-Kyle)
1
1.0
1
0
0
100.0
1208.0
425.0
1633.0
View list
19
106077632
Visser, J (Jp)
1
1.0
1
0
0
100.0
1221.0
425.0
1646.0
View list
20
185023092
Milfordt, A (Andre)
1
0.0
0
0
1
0.0
1251.1
-425.0
826.1
View list