Player Page

Petro, Y (Yulin)
Dob: 2006/01/01 (U20)
Gender: Female
Chess SA id: 206078547
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2021/03/27 (1149 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
Curent Raw rating1147.6
Curent Weighted rating1147.6
Curent Weighted performance586.9
Current official/published rating (highest between Raw, WR and WP)1147.6
Current floor (min rating allowed)651.9
Current highest rating achieved1151.9
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)±178.7
Current Raw change used (final)0.0
Projected new Raw rating1147.6
Projected new Weighed rating1147.6
Projected new Weighted performance586.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1147.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1151.9
Projected new floor651.9
Projected new K-facor40
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
Curent Raw rating1075.6
Curent Weighted rating1075.6
Curent Weighted performance397.6
Current official/published rating (highest between Raw, WR and WP)1075.6
Current floor (min rating allowed)642.0
Current highest rating achieved1142.0
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)±198.0
Current Raw change used (final)0.0
Projected new Raw rating1075.6
Projected new Weighed rating1075.6
Projected new Weighted performance397.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1075.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1142.0
Projected new floor642.0
Projected new K-facor40
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
Curent Raw rating1136.4
Curent Weighted rating1136.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1136.4
Current floor (min rating allowed)655.2
Current highest rating achieved1155.2
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)±181.5
Current Raw change used (final)0.0
Projected new Raw rating1136.4
Projected new Weighed rating1136.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1136.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1155.2
Projected new floor655.2
Projected new K-facor40
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)655.2
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor655.2
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 Olifantsrivier CC 2021 (Invitational) 2021/03/27 2021/03/27 West Coast (WCU) Rapid 25 0.54 7 7 3.5 1116.5 1138.0 Analysis
7 West Coast Schools Prestige 2020 (U15 Girls) 2020/03/07 2020/03/07 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1097.5 1155.2 Analysis
6 Bo-Weskus Skole Prestige 2020 (O15+O18 Dogters) 2020/02/15 2020/02/15 West Coast (WCU) Standard 60 0.83 6 6 3.0 1064.3 1039.6 Analysis
5 Western Cape Schools Individuals 2019 (U15 Girls) 2019/05/04 2019/05/05 Eden District (WEG) Standard 60 0.83 6 6 2.5 1091.9 1063.2 Analysis
4 Weskus Skole Prestige Skaak Kampioenskappe 2019 (O15 Dogters) 2019/03/02 2019/04/06 West Coast (WCU) Standard 60 0.83 6 6 3.0 1093.9 1060.4 Analysis
3 Bo-Weskus Skole Skaak Prestige 2019 (Ope Dogters) 2019/02/16 2019/02/16 West Coast (WCU) Rapid 30 0.60 7 7 4.0 1083.8 1200.0 Analysis
2 Western Cape Schools Individuals 2018 (U13 Girls) 2018/05/19 2018/05/20 Overberg (WOS) Standard 60 0.83 6 6 2.0 1151.9 1142.0 Analysis
1 West Coast Schools Prestige Individual Championship 2018 (U13 Girls) 2018/03/10 2018/03/24 West Coast (WCU) Standard 60 0.83 6 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
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 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 47 22 2 23 23.0 48.9 -9.0 1090.3 1081.3
White 24 10 2 12 11.0 45.8 -35.4 1042.8 1007.4
Black 23 12 0 11 12.0 52.2 18.5 1140.0 1158.4
Standard All 29 13 1 15 13.5 46.6 -29.3 1020.9 991.6
White 15 7 1 7 7.5 50.0 0.0 962.4 962.4
Black 14 6 0 8 6.0 42.9 -60.7 1083.6 1022.9
Rapid All 18 9 1 8 9.5 52.8 23.6 1202.2 1225.8
White 9 3 1 5 3.5 38.9 -94.4 1176.8 1082.4
Black 9 6 0 3 6.0 66.7 141.7 1227.6 1369.3
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 205060329 Maletta, L (Legene) 4 0.0 0 0 4 0.0 1089.6 -425.0 664.6 View list
2 205078541 Beyers, S (Shireen) 2 2.0 2 0 0 100.0 1088.8 425.0 1513.8 View list
3 204078531 Ligwa, A (Anastacia) 2 0.5 0 1 1 25.0 1105.2 -212.5 892.7 View list
4 206060328 Maarman, P (Perusha) 2 0.0 0 0 2 0.0 1080.9 -425.0 655.9 View list
5 205078542 Cloete, R (Roberta) 1 1.0 1 0 0 100.0 1097.5 425.0 1522.5 View list
6 205083973 Cloete, L (Lameaze) 1 1.0 1 0 0 100.0 1083.8 425.0 1508.8 View list
7 2040108697 Festus, T (Tracey Lee Rogail) 1 1.0 1 0 0 100.0 1091.9 425.0 1516.9 View list
8 206068758 Klaase, A (Angelique) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 2060131889 Julies, F (Fredeline) 1 1.0 1 0 0 100.0 1064.3 425.0 1489.3 View list
10 2060131888 Johnson, J (Jesdine) 1 1.0 1 0 0 100.0 1064.3 425.0 1489.3 View list
11 2050110526 Jantjies, J (Jo-Ann) 1 1.0 1 0 0 100.0 1083.8 425.0 1508.8 View list
12 204086683 Green, CL (Carol-Lynne) 1 1.0 1 0 0 100.0 1091.9 425.0 1516.9 View list
13 204093490 Blaauw, D (Dominique) 1 1.0 1 0 0 100.0 1093.9 425.0 1518.9 View list
14 1820133967 Maletta, J (Johan) 1 1.0 1 0 0 100.0 1116.5 425.0 1541.5 View list
15 206056203 Nel, L (Leigh-Andrea) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 206077625 Oldroyd, E (Edith) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 205083975 Owies, L (Lehanna) 1 1.0 1 0 0 100.0 1064.3 425.0 1489.3 View list
18 1050110469 Owies, R (Raydn) 1 1.0 1 0 0 100.0 1116.5 425.0 1541.5 View list
19 206070452 Pistorius, K (Kayla) 1 1.0 1 0 0 100.0 1151.9 425.0 1576.9 View list
20 1100110506 Saal, F (Fabian) 1 1.0 1 0 0 100.0 1116.5 425.0 1541.5 View list