Player Page

Van Biljon, J (Janina)
Dob: 2012/10/29 (U14)
Gender: Female
Chess SA id: 2120139974
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/10/26 (26 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 rating1125.9
Current Weighted rating1170.4
Current Weighted performance1027.1
Current official/published rating (highest between Raw, WR and WP)1170.4
Current highest rating achieved1205.5
Current floor (min rating allowed)705.5
Current K-factor36
Games played this month5
Score (S)3.5
Expected score (We)1.94
Difference (S-We)1.29
Current Raw change (no limits, including tournament time weight)46.6
Current min/max change allowed (with limits)±184.3
Current Raw change used (final)46.6
Projected new Raw rating1172.5
Projected new Weighed rating1076.7
Projected new Weighted performance1130.3
Projected new final Raw rating (if new WP > new Raw)1172.5
Projected new highest rating1205.5
Projected new floor705.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1172.5
Projected effective change (new Official - current Official)+2.1
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 rating1125.6
Current Weighted rating1188.4
Current Weighted performance1027.1
Current official/published rating (highest between Raw, WR and WP)1188.4
Current highest rating achieved1222.7
Current floor (min rating allowed)722.7
Current K-factor36
Games played this month5
Score (S)3.5
Expected score (We)1.96
Difference (S-We)1.54
Current Raw change (no limits, including tournament time weight)55.4
Current min/max change allowed (with limits)±184.4
Current Raw change used (final)55.4
Projected new Raw rating1181.0
Projected new Weighed rating1092.9
Projected new Weighted performance1130.3
Projected new final Raw rating (if new WP > new Raw)1181.0
Projected new highest rating1222.7
Projected new floor722.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1181.0
Projected effective change (new Official - current Official)-7.4
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 rating1160.0
Current Weighted rating1160.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1160.0
Current highest rating achieved1160.0
Current floor (min rating allowed)660.0
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)±175.5
Current Raw change used (final)0.0
Projected new Raw rating1160.0
Projected new Weighed rating1067.2
Projected new Weighted performance230.9
Projected new final Raw rating (if new WP > new Raw)1160.0
Projected new highest rating1160.0
Projected new floor660.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1160.0
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
Tournament: Lardies Ope 2024 (C)
Start: 2024/10/26  End: 2024/10/26  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.5
Main rating: 1125.9  Rating gain/loss: 46.6
Type rating: 1125.6  Rating gain/loss: 55.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
7 Lardies Ope 2024 (C) 2024/10/26 2024/10/26 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1125.9 1125.6 Analysis
6 2024 Etienne Lewis (U14) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 2.0 1147.2 1152.2 Analysis
5 2024 Alekhine Open Chess Tournament (B) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 4 0.0 1200.7 1213.0 Analysis
4 2024 Tshwane South School District CLOSED Individual Championships (U13 Girls) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1205.5 1222.7 Analysis
3 2024 Silver Lakes Open Chess Tournament (D3) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1181.3 1199.3 Analysis
2 2024 Wynie Robbertse Chess Tournament (D2) 2024/03/02 2024/03/02 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1170.7 1193.5 Analysis
1 2024 Constantiapark Open (D1) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1170.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 Lardies Ope 2024 (C) 2024/10/26 2024/10/26 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1125.9 1125.6 Analysis
7 2024 Etienne Lewis (U14) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 2.0 1147.2 1152.2 Analysis
6 2024 Alekhine Open Chess Tournament (B) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 4 0.0 1200.7 1213.0 Analysis
5 2024 Tshwane South School District CLOSED Individual Championships (U13 Girls) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1205.5 1222.7 Analysis
4 2024 Silver Lakes Open Chess Tournament (D3) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1181.3 1199.3 Analysis
3 2024 Wynie Robbertse Chess Tournament (D2) 2024/03/02 2024/03/02 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1170.7 1193.5 Analysis
2 2024 Constantiapark Open (D1) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1170.0 1200.0 Analysis
1 D4 Individuals 2022 (U11 Girls) 2022/04/23 2022/04/23 Tshwane (GTP) Rapid 30 0.60 7 6 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 36 14 2 20 15.0 41.7 -70.8 1249.4 1178.5
White 19 8 1 10 8.5 44.7 -44.7 1250.1 1205.3
Black 17 6 1 10 6.5 38.2 -100.0 1248.6 1148.6
Standard All 36 14 2 20 15.0 41.7 -70.8 1249.4 1178.5
White 19 8 1 10 8.5 44.7 -44.7 1250.1 1205.3
Black 17 6 1 10 6.5 38.2 -100.0 1248.6 1148.6
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 42 15 4 23 17.0 40.5 -81.0 1237.3 1156.3
White 22 9 3 10 10.5 47.7 -19.3 1237.7 1218.4
Black 20 6 1 13 6.5 32.5 -148.8 1236.8 1088.1
Standard All 36 14 2 20 15.0 41.7 -70.8 1249.4 1178.5
White 19 8 1 10 8.5 44.7 -44.7 1250.1 1205.3
Black 17 6 1 10 6.5 38.2 -100.0 1248.6 1148.6
Rapid All 6 1 2 3 2.0 33.3 -141.7 1164.8 1023.1
White 3 1 2 0 2.0 66.7 141.7 1159.3 1300.9
Black 3 0 0 3 0.0 0.0 -425.0 1170.3 745.3
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 2110101741 De Waal, N (Nadine) 2 0.0 0 0 2 0.0 1176.3 -425.0 751.3 View list
2 1120152458 Chadalavada, B (Bhaarghavarama) 1 1.0 1 0 0 100.0 1125.9 425.0 1550.9 View list
3 1100154171 De Meyer, M (Marius) 1 1.0 1 0 0 100.0 1125.9 425.0 1550.9 View list
4 1120134046 De Jager, K (Konrad) 1 1.0 1 0 0 100.0 1147.2 425.0 1572.2 View list
5 2110148658 De Jager, A (Anneke) 1 1.0 1 0 0 100.0 1205.5 425.0 1630.5 View list
6 1110107188 De Beer, L (Liam) 1 1.0 1 0 0 100.0 1170.0 425.0 1595.0 View list
7 2140302686 Bergh, A (Amber) 1 1.0 1 0 0 100.0 1181.3 425.0 1606.3 View list
8 1120301735 Matimelane, T (Tshimologo) 1 1.0 1 0 0 100.0 1147.2 425.0 1572.2 View list
9 1120302690 Meiring, J (Jacobus) 1 1.0 1 0 0 100.0 1181.3 425.0 1606.3 View list
10 2110300420 Nkosi, D (Dodi Dita) 1 1.0 1 0 0 100.0 1170.7 425.0 1595.7 View list
11 2120304589 Reinecke, S (Simonè) 1 1.0 1 0 0 100.0 1205.5 425.0 1630.5 View list
12 2120139972 Schutte, J (Jeanri) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 1130145796 Talma, C (Christiaan) 1 1.0 1 0 0 100.0 1170.0 425.0 1595.0 View list
14 1120304600 Van Eyssen, S (Sven) 1 1.0 1 0 0 100.0 1125.9 425.0 1550.9 View list
15 2150157433 Westermann, I (Inge) 1 1.0 1 0 0 100.0 1170.7 425.0 1595.7 View list
16 1140148674 Weyer, E (Evan) 1 1.0 1 0 0 100.0 1181.3 425.0 1606.3 View list
17 2110131218 Erasmus, A (Anri) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
18 1110313120 Njotini, X (Xhanti) 1 0.5 0 1 0 50.0 1125.9 0.0 1125.9 View list
19 2140137416 Ottermann, A (Ayla) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
20 2120148662 Selmi, T (Tayssir) 1 0.5 0 1 0 50.0 1170.7 0.0 1170.7 View list