Player Page

Willemse, J (Jadiah)
Dob: 2010/01/21 (U16)
Gender: Female
Chess SA id: 2100131827
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/07/06 (93 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 rating1139.5
Current Weighted rating1135.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1139.5
Current highest rating achieved1212.0
Current floor (min rating allowed)712.0
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)±180.7
Current Raw change used (final)0.0
Projected new Raw rating1139.5
Projected new Weighed rating1044.3
Projected new Weighted performance416.5
Projected new final Raw rating (if new WP > new Raw)1139.5
Projected new highest rating1212.0
Projected new floor712.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1139.5
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 rating1153.2
Current Weighted rating1153.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1153.2
Current highest rating achieved1211.2
Current floor (min rating allowed)711.2
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)±177.2
Current Raw change used (final)0.0
Projected new Raw rating1153.2
Projected new Weighed rating1060.9
Projected new Weighted performance369.9
Projected new final Raw rating (if new WP > new Raw)1153.2
Projected new highest rating1211.2
Projected new floor711.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1153.2
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 rating1123.2
Current Weighted rating1114.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1123.2
Current highest rating achieved1123.2
Current floor (min rating allowed)623.2
Current K-factor40
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)±185.0
Current Raw change used (final)0.0
Projected new Raw rating1123.2
Projected new Weighed rating1024.9
Projected new Weighted performance108.7
Projected new final Raw rating (if new WP > new Raw)1123.2
Projected new highest rating1123.2
Projected new floor623.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1123.2
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
1 Pedro Booyse Annual Rapid 2024 (Open) 2024/07/06 2024/07/06 West Coast (WCU) Rapid 30 0.60 5 2 1.0 1133.7 1111.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Pedro Booyse Annual Rapid 2024 (Open) 2024/07/06 2024/07/06 West Coast (WCU) Rapid 30 0.60 5 2 1.0 1133.7 1111.2 Analysis
3 West Coast Schools Prestige 2022 (U13 Girls) 2022/02/19 2022/02/19 West Coast (WCU) Standard 60 0.83 6 6 2.0 1166.6 1211.2 Analysis
2 West Coast Schools Prestige 2020 (U11 Girls) 2020/03/07 2020/03/07 West Coast (WCU) Rapid 30 0.60 5 4 0.5 1212.0 1200.0 Analysis
1 Bo-Weskus Skole Prestige 2020 (O11 Dogters) 2020/02/15 2020/02/15 West Coast (WCU) Standard 60 0.83 6 3 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 2 1 0 1 1.0 50.0 0.0 1247.8 1247.8
White 1 1 0 0 1.0 100.0 425.0 1167.0 1592.0
Black 1 0 0 1 0.0 0.0 -425.0 1328.5 903.5
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 2 1 0 1 1.0 50.0 0.0 1247.8 1247.8
White 1 1 0 0 1.0 100.0 425.0 1167.0 1592.0
Black 1 0 0 1 0.0 0.0 -425.0 1328.5 903.5
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 15 5 1 9 5.5 36.7 -113.3 1145.4 1032.1
White 7 3 1 3 3.5 50.0 0.0 1177.5 1177.5
Black 8 2 0 6 2.0 25.0 -212.5 1117.4 904.9
Standard All 9 4 0 5 4.0 44.4 -47.2 1150.0 1102.8
White 4 2 0 2 2.0 50.0 0.0 1170.2 1170.2
Black 5 2 0 3 2.0 40.0 -85.0 1133.9 1048.9
Rapid All 6 1 1 4 1.5 25.0 -212.5 1138.5 926.0
White 3 1 1 1 1.5 50.0 0.0 1187.1 1187.1
Black 3 0 0 3 0.0 0.0 -425.0 1089.8 664.8
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 209078595 Van Der Westhuizen, C (Courtney) 2 0.0 0 0 2 0.0 1183.3 -425.0 758.3 View list
2 2100131814 Kotze, A (Audrey-Ann) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2090138346 Fredericks, M (Meniche) 1 1.0 1 0 0 100.0 1166.6 425.0 1591.6 View list
4 1100148172 Swarts, F (Faqir) 1 1.0 1 0 0 100.0 1133.7 425.0 1558.7 View list
5 1100138333 Philander, A (Alex) 1 1.0 1 0 0 100.0 1166.6 425.0 1591.6 View list
6 1110143085 Zuze, S (Sasha) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 209090550 Van Rhyn, J (Jordan) 1 0.5 0 1 0 50.0 1212.0 0.0 1212.0 View list
8 209090553 Meyer, G (Gracia) 1 0.0 0 0 1 0.0 1212.0 -425.0 787.0 View list
9 1090131842 Le Fleur, S (Shirano) 1 0.0 0 0 1 0.0 1133.7 -425.0 708.7 View list
10 209090556 Sauls, J (Jada) 1 0.0 0 0 1 0.0 1166.6 -425.0 741.6 View list
11 209078593 Pietersen, J (Jayline) 1 0.0 0 0 1 0.0 1212.0 -425.0 787.0 View list
12 2090107109 Pienaar, F (Francisca) 1 0.0 0 0 1 0.0 1166.6 -425.0 741.6 View list
13 209077302 Ellman, E (Elle-Marie) 1 0.0 0 0 1 0.0 1212.0 -425.0 787.0 View list
14 209078589 Cloete, A (Amanda) 1 0.0 0 0 1 0.0 1166.6 -425.0 741.6 View list