Player Page

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
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 rating1234.7
Current Weighted rating1203.3
Current Weighted performance1157.7
Current official/published rating (highest between Raw, WR and WP)1234.7
Current highest rating achieved1234.7
Current floor (min rating allowed)734.7
Current K-factor36
Games played this month0
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 rating1234.7
Projected new Weighed rating1107.2
Projected new Weighted performance1157.7
Projected new final Raw rating (if new WP > new Raw)1234.7
Projected new highest rating1234.7
Projected new floor734.7
Projected new K-facor36
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 rating1231.0
Current Weighted rating1200.8
Current Weighted performance1157.7
Current official/published rating (highest between Raw, WR and WP)1231.0
Current highest rating achieved1231.0
Current floor (min rating allowed)731.0
Current K-factor36
Games played this month0
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 rating1231.0
Projected new Weighed rating1104.8
Projected new Weighted performance1157.7
Projected new final Raw rating (if new WP > new Raw)1231.0
Projected new highest rating1231.0
Projected new floor731.0
Projected new K-facor36
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
s
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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