Player Page

Van Der Ross, H (Haily)
Dob: 2009/10/26 (U16)
Gender: Female
Chess SA id: 2090139173
FIDE id:
Region: Central Karoo (WCK)
Citizen: RSA
Title(s):
Last active: 2024/03/02 (203 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 rating1196.9
Current Weighted rating1156.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1196.9
Current highest rating achieved1196.9
Current floor (min rating allowed)696.9
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)±166.5
Current Raw change used (final)0.0
Projected new Raw rating1196.9
Projected new Weighed rating1064.8
Projected new Weighted performance901.4
Projected new final Raw rating (if new WP > new Raw)1196.9
Projected new highest rating1196.9
Projected new floor696.9
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1196.9
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 rating1164.0
Current Weighted rating1107.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1164.0
Current highest rating achieved1178.4
Current floor (min rating allowed)678.4
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)±174.5
Current Raw change used (final)0.0
Projected new Raw rating1164.0
Projected new Weighed rating1020.0
Projected new Weighted performance750.1
Projected new final Raw rating (if new WP > new Raw)1164.0
Projected new highest rating1178.4
Projected new floor678.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1164.0
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 rating1240.0
Current Weighted rating1240.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1240.0
Current highest rating achieved1240.0
Current floor (min rating allowed)740.0
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)±156.6
Current Raw change used (final)0.0
Projected new Raw rating1240.0
Projected new Weighed rating1140.8
Projected new Weighted performance313.0
Projected new final Raw rating (if new WP > new Raw)1240.0
Projected new highest rating1240.0
Projected new floor740.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1240.0
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
1 Central Karoo Schools Chess Trial 1 2024 (U15) 2024/03/02 2024/03/02 Central Karoo (WCK) Standard 60 0.83 5 5 4.0 1133.2 1074.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Central Karoo Schools Chess Trial 1 2024 (U15) 2024/03/02 2024/03/02 Central Karoo (WCK) Standard 60 0.83 5 5 4.0 1133.2 1074.8 Analysis
3 Central Karoo Ope 2022 (B) 2022/06/18 2022/06/18 Central Karoo (WCK) Rapid 32 0.63 6 6 4.0 1094.9 1200.0 Analysis
2 Western Cape Schools 2022 (U13 Girls) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 5 0.0 1181.6 1178.4 Analysis
1 Central Karoo 2022 (U11-U15 Girls) 2022/03/19 2022/03/19 Central Karoo (WCK) Standard 65 0.85 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 4 0 1 4.0 80.0 255.0 1210.1 1465.1
White 3 2 0 1 2.0 66.7 141.7 1215.4 1357.1
Black 2 2 0 0 2.0 100.0 425.0 1202.2 1627.2
Standard All 5 4 0 1 4.0 80.0 255.0 1210.1 1465.1
White 3 2 0 1 2.0 66.7 141.7 1215.4 1357.1
Black 2 2 0 0 2.0 100.0 425.0 1202.2 1627.2
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 21 10 0 11 10.0 47.6 -20.2 1188.1 1167.9
White 12 7 0 5 7.0 58.3 70.8 1179.6 1250.5
Black 9 3 0 6 3.0 33.3 -141.7 1199.4 1057.7
Standard All 15 6 0 9 6.0 40.0 -85.0 1196.2 1111.2
White 9 4 0 5 4.0 44.4 -47.2 1192.3 1145.1
Black 6 2 0 4 2.0 33.3 -141.7 1201.9 1060.3
Rapid All 6 4 0 2 4.0 66.7 141.7 1168.0 1309.6
White 3 3 0 0 3.0 100.0 425.0 1141.6 1566.6
Black 3 1 0 2 1.0 33.3 -141.7 1194.3 1052.6
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 2110139170 Plaatjies, N (Nikita) 2 2.0 2 0 0 100.0 1147.5 425.0 1572.5 View list
2 2090139171 Smith, E (Eshnique) 2 1.0 1 0 1 50.0 1166.6 0.0 1166.6 View list
3 2090139167 Jacobs, A (Akilah) 1 1.0 1 0 0 100.0 1133.2 425.0 1558.2 View list
4 1110139179 Gertse, K (Kayden) 1 1.0 1 0 0 100.0 1094.9 425.0 1519.9 View list
5 1120139178 Frieslaar, J (Junior) 1 1.0 1 0 0 100.0 1094.9 425.0 1519.9 View list
6 1090302536 Bosman, B (Beauthin) 1 1.0 1 0 0 100.0 1133.2 425.0 1558.2 View list
7 1110118927 Augustyn, J (Johan) 1 1.0 1 0 0 100.0 1094.9 425.0 1519.9 View list
8 2100139175 Wanie, D (Demucia) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1090302542 Windvoel, J (Jayden) 1 1.0 1 0 0 100.0 1133.2 425.0 1558.2 View list
10 2090098408 Wewers, I (Izelle) 1 0.0 0 0 1 0.0 1181.6 -425.0 756.6 View list
11 2100096201 Wessels, H (Hanjah) 1 0.0 0 0 1 0.0 1181.6 -425.0 756.6 View list
12 2090137600 Van Zyl, C (Cornelia Aletta) 1 0.0 0 0 1 0.0 1181.6 -425.0 756.6 View list
13 1110118813 Stalmeester, J (Jaiden) 1 0.0 0 0 1 0.0 1094.9 -425.0 669.9 View list
14 1100139201 Sabawas, R (Ricardo) 1 0.0 0 0 1 0.0 1133.2 -425.0 708.2 View list
15 2100118812 Arries, J (Jizelle) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 2090108212 Phetheni, A (Axolisiwe) 1 0.0 0 0 1 0.0 1181.6 -425.0 756.6 View list
17 2100138833 Ngcobo, Z (Zethu) 1 0.0 0 0 1 0.0 1181.6 -425.0 756.6 View list
18 2100139169 Ndodo, Z (Zainab) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 1120139176 De Bruin, H (Hudson) 1 0.0 0 0 1 0.0 1094.9 -425.0 669.9 View list