Player Page

Yu, CRR (Changrui)
Dob: 2004/06/25 (Adult)
Gender: Male
Chess SA id: 104043420
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2020/03/14 (1509 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 rating1677.9
Curent Weighted rating1677.9
Curent Weighted performance774.8
Current official/published rating (highest between Raw, WR and WP)1677.9
Current floor (min rating allowed)1177.9
Current highest rating achieved1677.9
Current K-factor28
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)±83.9
Current Raw change used (final)0.0
Projected new Raw rating1677.9
Projected new Weighed rating1677.9
Projected new Weighted performance774.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1677.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1677.9
Projected new floor1177.9
Projected new K-facor28
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 rating1686.3
Curent Weighted rating1686.3
Curent Weighted performance775.6
Current official/published rating (highest between Raw, WR and WP)1686.3
Current floor (min rating allowed)1186.3
Current highest rating achieved1686.3
Current K-factor28
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)±82.9
Current Raw change used (final)0.0
Projected new Raw rating1686.3
Projected new Weighed rating1686.3
Projected new Weighted performance775.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1686.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1686.3
Projected new floor1186.3
Projected new K-facor28
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 rating1588.8
Curent Weighted rating1588.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1588.8
Current floor (min rating allowed)1088.8
Current highest rating achieved1588.8
Current K-factor32
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)±95.3
Current Raw change used (final)0.0
Projected new Raw rating1588.8
Projected new Weighed rating1588.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1588.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1588.8
Projected new floor1088.8
Projected new K-facor32
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 rating1588.8
Curent Weighted rating1588.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1588.8
Current floor (min rating allowed)1088.8
Current highest rating achieved1588.8
Current K-factor32
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)±95.3
Current Raw change used (final)0.0
Projected new Raw rating1588.8
Projected new Weighed rating1588.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1588.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1588.8
Projected new floor1088.8
Projected new K-facor32
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 2020 Metro Trials (U18 Girls) 2020/03/13 2020/03/14 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1670.5 1678.5 Analysis
11 Metro North Individual Trials 2020 (U17) 2020/02/07 2020/02/08 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1674.0 1683.3 Analysis
10 2019 South African Junior Team Championships (U16A) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 4.0 1662.5 1674.3 Analysis
9 2019 SA Schools Winter Games (U15 Boys) 2019/07/01 2019/07/04 Ethekwini (KED) Standard 90 0.94 7 7 5.5 1641.4 1652.7 Analysis
8 Western Cape Schools Individuals 2019 (U15 Boys) 2019/05/04 2019/05/05 Eden District (WEG) Standard 60 0.83 6 6 5.0 1622.6 1632.8 Analysis
7 Metro School Chess Closed Individual Trials 2019 (U15 Boys) 2019/03/01 2019/03/02 Cape Town (WCT) Standard 60 0.83 6 6 5.5 1598.2 1602.3 Analysis
6 District North Schools Chess Trials 2019 (U15) 2019/01/25 2019/01/26 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1603.1 1608.5 Analysis
5 South African Junior Team Championships 2018 (U20A) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 6 5.0 1602.8 1607.4 Analysis
4 Stellenberg Youth Chess Champs 2018 (A) 2018/06/22 2018/06/23 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1580.5 1577.7 Analysis
3 2018 WP Schools Closed Trials (U15 Boys) 2018/03/09 2018/03/10 Cape Town (WCT) Standard 60 0.83 6 6 3.5 1610.0 1614.4 Analysis
2 District North Schools Chess Open Trials 2018 (U15) 2018/02/09 2018/02/10 Cape Town (WCT) Standard 60 0.83 6 6 6.0 1588.8 1588.8 Analysis
1 2018 Cape of Good Hope Open Chess Championships (Prestige) 2018/01/26 2018/01/28 Cape Town (WCT) Standard 70 0.87 6 0 0.0 1588.8 1588.8 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 74 57 4 13 59.0 79.7 252.7 1387.2 1639.9
White 37 32 1 4 32.5 87.8 321.6 1375.3 1697.0
Black 37 25 3 9 26.5 71.6 183.8 1399.1 1582.9
Standard All 74 57 4 13 59.0 79.7 252.7 1387.2 1639.9
White 37 32 1 4 32.5 87.8 321.6 1375.3 1697.0
Black 37 25 3 9 26.5 71.6 183.8 1399.1 1582.9
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 104008516 Eaton, DWL (Dante) 5 4.0 4 0 1 80.0 1618.0 255.0 1873.0 View list
2 104006413 De Jager, AJ (Andreas) 4 0.5 0 1 3 12.5 1601.1 -318.8 1282.3 View list
3 105065442 Kleinhans, T (Theo) 3 3.0 3 0 0 100.0 1635.1 425.0 2060.1 View list
4 105048751 Venter, L (Lian) 3 3.0 3 0 0 100.0 1635.1 425.0 2060.1 View list
5 104009473 Fihla, LL (Lonwabo) 2 2.0 2 0 0 100.0 1641.4 425.0 2066.4 View list
6 104007000 De Wit, PJ (Petrie) 2 2.0 2 0 0 100.0 1629.7 425.0 2054.7 View list
7 103085390 Kedama, S (Sandiso) 2 2.0 2 0 0 100.0 1595.3 425.0 2020.3 View list
8 104069181 Lingard, B (Bevan) 2 2.0 2 0 0 100.0 1641.4 425.0 2066.4 View list
9 104019181 Madiba, MM (Madimetja) 2 2.0 2 0 0 100.0 1641.4 425.0 2066.4 View list
10 204050827 Williams, K (Kecia) 2 2.0 2 0 0 100.0 1595.9 425.0 2020.9 View list
11 104028947 Olkers, LP (Lleyton) 2 1.0 1 0 1 50.0 1599.4 0.0 1599.4 View list
12 104095803 Mkhize, O (Olwethu) 2 1.0 0 2 0 50.0 1641.4 0.0 1641.4 View list
13 105009732 Fourie, B (Brandon) 2 0.0 0 0 2 0.0 1641.4 -425.0 1216.4 View list
14 1030096948 Davids, L (Luciano) 1 1.0 1 0 0 100.0 1588.8 425.0 2013.8 View list
15 105046624 Crookes, J (Jonas) 1 1.0 1 0 0 100.0 1622.6 425.0 2047.6 View list
16 104069661 Clarke, N (Nathaniel) 1 1.0 1 0 0 100.0 1610.0 425.0 2035.0 View list
17 201004780 Cilliers, M (Michaela) 1 1.0 1 0 0 100.0 1602.8 425.0 2027.8 View list
18 104059592 Boshoff, C (Chris) 1 1.0 1 0 0 100.0 1580.5 425.0 2005.5 View list
19 204092711 Bhila, L (Lindokuhle) 1 1.0 1 0 0 100.0 1662.5 425.0 2087.5 View list
20 1040108915 Beni, S (Siyanda) 1 1.0 1 0 0 100.0 1598.2 425.0 2023.2 View list