Chess South Africa
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Chess South Africa
Ngaka, R (Refilwe Tyron)
Dob:
2013/12/30 (U12)
Gender:
Male
Chess SA id:
1130153985
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (36 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
1217.7
Current Weighted rating
1193.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1217.7
Current highest rating achieved
1220.7
Current floor (min rating allowed)
720.7
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
2.45
Difference (S-We)
0.46
Current Raw change (no limits, including tournament time weight)
16.4
Current min/max change allowed (with limits)
±161.7
Current Raw change used (final)
16.4
Projected new Raw rating
1234.1
Projected new Weighed rating
1097.5
Projected new Weighted performance
1135.7
Projected new final Raw rating (if new WP > new Raw)
1234.1
Projected new highest rating
1234.1
Projected new floor
734.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1234.1
Projected effective change (new Official - current Official)
+16.4
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
1183.8
Current Weighted rating
1181.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1183.8
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
2.24
Difference (S-We)
0.76
Current Raw change (no limits, including tournament time weight)
27.4
Current min/max change allowed (with limits)
±169.7
Current Raw change used (final)
27.4
Projected new Raw rating
1211.2
Projected new Weighed rating
1086.6
Projected new Weighted performance
923.3
Projected new final Raw rating (if new WP > new Raw)
1211.2
Projected new highest rating
1211.2
Projected new floor
711.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1211.2
Projected effective change (new Official - current Official)
+27.4
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
1258.3
Current Weighted rating
1213.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1258.3
Current highest rating achieved
1258.3
Current floor (min rating allowed)
758.3
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)
±152.6
Current Raw change used (final)
0.0
Projected new Raw rating
1258.3
Projected new Weighed rating
1116.8
Projected new Weighted performance
476.3
Projected new final Raw rating (if new WP > new Raw)
1258.3
Projected new highest rating
1258.3
Projected new floor
758.3
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1258.3
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
Tournament:
Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys)
Start:
2024/05/11
End:
2024/05/11
Host:
GE
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
3.0
Main rating:
1217.7
Rating gain/loss:
16.4
Type rating:
1183.8
Rating gain/loss:
27.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys)
2024/05/11
2024/05/11
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1217.7
1183.8
Analysis
2
Westwood Open 2024 (C)
2024/04/13
2024/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
4
2.0
1220.7
1177.0
Analysis
1
Kempton Park Cluster Individuals 2024 (U11 Boys)
2024/03/02
2024/03/02
Ekurhuleni (GE)
Rapid
30
0.60
5
5
4.0
1181.8
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys)
2024/05/11
2024/05/11
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1217.7
1183.8
Analysis
3
Westwood Open 2024 (C)
2024/04/13
2024/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
4
2.0
1220.7
1177.0
Analysis
2
Kempton Park Cluster Individuals 2024 (U11 Boys)
2024/03/02
2024/03/02
Ekurhuleni (GE)
Rapid
30
0.60
5
5
4.0
1181.8
1200.0
Analysis
1
Alberton Chess Club Tournament 1 2023 (D)
2023/04/15
2023/04/15
Ekurhuleni (GE)
Standard
60
0.83
5
3
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
14
9
0
5
9.0
64.3
121.4
1220.5
1342.0
White
7
5
0
2
5.0
71.4
182.1
1204.7
1386.8
Black
7
4
0
3
4.0
57.1
60.7
1236.4
1297.1
Standard
All
9
5
0
4
5.0
55.6
47.2
1216.6
1263.8
White
5
3
0
2
3.0
60.0
85.0
1206.6
1291.6
Black
4
2
0
2
2.0
50.0
0.0
1229.2
1229.2
Rapid
All
5
4
0
1
4.0
80.0
255.0
1227.6
1482.6
White
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Black
3
2
0
1
2.0
66.7
141.7
1246.0
1387.7
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
17
10
0
7
10.0
58.8
75.0
1213.6
1288.6
White
9
6
0
3
6.0
66.7
141.7
1205.7
1347.4
Black
8
4
0
4
4.0
50.0
0.0
1222.5
1222.5
Standard
All
12
6
0
6
6.0
50.0
0.0
1207.8
1207.8
White
7
4
0
3
4.0
57.1
60.7
1207.3
1268.0
Black
5
2
0
3
2.0
40.0
-85.0
1208.4
1123.4
Rapid
All
5
4
0
1
4.0
80.0
255.0
1227.6
1482.6
White
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Black
3
2
0
1
2.0
66.7
141.7
1246.0
1387.7
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
1140112260
Pillay, J (Joshua)
2
1.0
1
0
1
50.0
1201.3
0.0
1201.3
View list
2
1130305675
Mphahlele, T (Tshekego)
1
1.0
1
0
0
100.0
1217.7
425.0
1642.7
View list
3
1130301397
Masilela, C (Charlie)
1
1.0
1
0
0
100.0
1181.8
425.0
1606.8
View list
4
1140305669
Malepo, L (Lesego)
1
1.0
1
0
0
100.0
1217.7
425.0
1642.7
View list
5
1130305665
Magagula, N (Ndumiso)
1
1.0
1
0
0
100.0
1217.7
425.0
1642.7
View list
6
1140301395
Kekae, M (Morena)
1
1.0
1
0
0
100.0
1181.8
425.0
1606.8
View list
7
2140301262
Karsas, S (Sophia)
1
1.0
1
0
0
100.0
1220.7
425.0
1645.7
View list
8
1150153977
Chetty, A (Aryanna)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
1140301413
Zungu, N (Nqubeko)
1
1.0
1
0
0
100.0
1181.8
425.0
1606.8
View list
10
2140302281
Stieler, K (Kayla)
1
1.0
1
0
0
100.0
1220.7
425.0
1645.7
View list
11
1130301403
Ngobeni, T (Tsebo)
1
0.0
0
0
1
0.0
1181.8
-425.0
756.8
View list
12
1140144442
Ngcongolo, Z (Zanothando)
1
0.0
0
0
1
0.0
1217.7
-425.0
792.7
View list
13
2140158233
Van Der Westhuizen, L (L-Ree)
1
0.0
0
0
1
0.0
1220.7
-425.0
795.7
View list
14
1130305680
Tshogo, O (Oratiloe)
1
0.0
0
0
1
0.0
1217.7
-425.0
792.7
View list
15
1140140140
Tang, V (Vicky)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
1110146506
Barnard, R (Ruan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list