Chess South Africa
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Chess South Africa
Jaca, A (Amahle)
Dob:
2005/07/12 (U20)
Gender:
Male
Chess SA id:
1050191371
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/07/07 (82 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
1234.7
Current Weighted rating
1203.3
Current Weighted performance
1157.7
Current official/published rating (highest between Raw, WR and WP)
1234.7
Current highest rating achieved
1234.7
Current floor (min rating allowed)
734.7
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)
±157.8
Current Raw change used (final)
0.0
Projected new Raw rating
1234.7
Projected new Weighed rating
1107.2
Projected new Weighted performance
1157.7
Projected new final Raw rating (if new WP > new Raw)
1234.7
Projected new highest rating
1234.7
Projected new floor
734.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1234.7
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
1231.0
Current Weighted rating
1200.8
Current Weighted performance
1157.7
Current official/published rating (highest between Raw, WR and WP)
1231.0
Current highest rating achieved
1231.0
Current floor (min rating allowed)
731.0
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)
±158.7
Current Raw change used (final)
0.0
Projected new Raw rating
1231.0
Projected new Weighed rating
1104.8
Projected new Weighted performance
1157.7
Projected new final Raw rating (if new WP > new Raw)
1231.0
Projected new highest rating
1231.0
Projected new floor
731.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1231.0
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
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)
±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
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
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
South African Open Chess Championship 2024 (C)
2024/07/04
2024/07/07
Ethekwini (KED)
Standard
90
0.94
7
7
3.5
1180.2
1175.2
Analysis
3
Murchison Chess Club Open 2024 (A)
2024/05/04
2024/05/04
Ugu (KUG)
Standard
60
0.83
5
5
2.0
1186.8
1180.2
Analysis
2
2024 Ethekwini Open (A)
2024/04/20
2024/04/21
Ethekwini (KED)
Standard
60
0.83
6
6
1.5
1205.6
1202.9
Analysis
1
UGU Trials for KZN Open 2024 (Open)
2024/04/06
2024/04/06
Ugu (KUG)
Standard
62
0.84
4
2
0.0
1186.8
1180.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
South African Open Chess Championship 2024 (C)
2024/07/04
2024/07/07
Ethekwini (KED)
Standard
90
0.94
7
7
3.5
1180.2
1175.2
Analysis
5
Murchison Chess Club Open 2024 (A)
2024/05/04
2024/05/04
Ugu (KUG)
Standard
60
0.83
5
5
2.0
1186.8
1180.2
Analysis
4
2024 Ethekwini Open (A)
2024/04/20
2024/04/21
Ethekwini (KED)
Standard
60
0.83
6
6
1.5
1205.6
1202.9
Analysis
3
UGU Trials for KZN Open 2024 (Open)
2024/04/06
2024/04/06
Ugu (KUG)
Standard
62
0.84
4
2
0.0
1186.8
1180.2
Analysis
2
NMZ Open 2023 (A)
2023/12/20
2023/12/20
Ethekwini (KED)
Standard
62
0.84
5
4
1.0
1200.0
1200.0
Analysis
1
2023 KZN SALGA Games Chess Tournament 2023
2023/12/08
2023/12/10
Ethekwini (KED)
Standard
60
0.83
7
6
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
20
6
2
12
7.0
35.0
-127.5
1350.9
1223.4
White
9
3
1
5
3.5
38.9
-94.4
1373.4
1278.9
Black
11
3
1
7
3.5
31.8
-154.5
1332.5
1178.0
Standard
All
20
6
2
12
7.0
35.0
-127.5
1350.9
1223.4
White
9
3
1
5
3.5
38.9
-94.4
1373.4
1278.9
Black
11
3
1
7
3.5
31.8
-154.5
1332.5
1178.0
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
30
10
2
18
11.0
36.7
-113.3
1334.7
1221.4
White
14
5
1
8
5.5
39.3
-91.1
1328.8
1237.8
Black
16
5
1
10
5.5
34.4
-132.8
1339.8
1207.0
Standard
All
30
10
2
18
11.0
36.7
-113.3
1334.7
1221.4
White
14
5
1
8
5.5
39.3
-91.1
1328.8
1237.8
Black
16
5
1
10
5.5
34.4
-132.8
1339.8
1207.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
199069465
Ndlovu, S (Sizwe)
2
0.0
0
0
2
0.0
1193.4
-425.0
768.4
View list
2
1980119308
Sithole, S (Sibonelo)
2
0.0
0
0
2
0.0
1202.8
-425.0
777.8
View list
3
2070191397
Coetze, M (Mandy)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1090160246
Buthelezi, T (Thandolwethu)
1
1.0
1
0
0
100.0
1180.2
425.0
1605.2
View list
5
2070302467
Bremner, A (Alyssa)
1
1.0
1
0
0
100.0
1205.6
425.0
1630.6
View list
6
1130306549
Kithinji, NW (Nyakundi Wesley)
1
1.0
1
0
0
100.0
1180.2
425.0
1605.2
View list
7
2080135315
Mchunu, A (Akhona)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1120162096
Naidoo, S (Shivam)
1
1.0
1
0
0
100.0
1186.8
425.0
1611.8
View list
9
1080304212
Mswazi, L (Luyanda)
1
1.0
1
0
0
100.0
1186.8
425.0
1611.8
View list
10
2070154250
Phungula, M (Mawandi)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
2990134646
Sicethana, S (Siviwe)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
1150147876
Soobramoney, H (Hezron)
1
1.0
1
0
0
100.0
1180.2
425.0
1605.2
View list
13
1120133983
Petzer, J (Jayden)
1
0.5
0
1
0
50.0
1180.2
0.0
1180.2
View list
14
2070097630
Pillay, K (Kay Leigh)
1
0.5
0
1
0
50.0
1205.6
0.0
1205.6
View list
15
2130150862
Ngubane, Z (Zizophila)
1
0.0
0
0
1
0.0
1180.2
-425.0
755.2
View list
16
1010136226
Ngcongo, N (Nkululeko)
1
0.0
0
0
1
0.0
1186.8
-425.0
761.8
View list
17
1090157510
Ndlovu, U (Uyanda)
1
0.0
0
0
1
0.0
1180.2
-425.0
755.2
View list
18
204091783
Mdunge, T (Thobeka)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
1980302470
Mc Ewen, C (Cade)
1
0.0
0
0
1
0.0
1205.6
-425.0
780.6
View list
20
204064277
Maphumulo, A (Amahle)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list