Player Page

Roos, D (Dehan)
Dob: 2007/01/01 (U18)
Gender: Male
Chess SA id: 107089547
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2020/02/08 (1564 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 rating1180.1
Curent Weighted rating1180.1
Curent Weighted performance529.3
Current official/published rating (highest between Raw, WR and WP)1180.1
Current floor (min rating allowed)680.1
Current highest rating achieved1180.1
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)±170.6
Current Raw change used (final)0.0
Projected new Raw rating1180.1
Projected new Weighed rating1180.1
Projected new Weighted performance529.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1180.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1180.1
Projected new floor680.1
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 rating1136.1
Curent Weighted rating1136.1
Curent Weighted performance480.2
Current official/published rating (highest between Raw, WR and WP)1136.1
Current floor (min rating allowed)640.1
Current highest rating achieved1140.1
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)±181.6
Current Raw change used (final)0.0
Projected new Raw rating1136.1
Projected new Weighed rating1136.1
Projected new Weighted performance480.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1136.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1140.1
Projected new floor640.1
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 rating955.4
Curent Weighted rating955.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)955.4
Current floor (min rating allowed)500.0
Current highest rating achieved955.4
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)±234.9
Current Raw change used (final)0.0
Projected new Raw rating955.4
Projected new Weighed rating955.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)955.4
Projected effective change (new Official - current Official)-0.0
Projected new highest rating955.4
Projected new floor500.0
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 rating632.2
Curent Weighted rating632.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)632.2
Current floor (min rating allowed)500.0
Current highest rating achieved632.2
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)±372.4
Current Raw change used (final)0.0
Projected new Raw rating632.2
Projected new Weighed rating632.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)632.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating632.2
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
14 Cape Winelands Schools Trials 1 2020 (U13 Boys) 2020/02/08 2020/02/08 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1154.4 814.6 Analysis
13 OCF Chess Tournament 2 2020 (U14) 2020/02/01 2020/02/01 Overberg (WOS) Standard 60 0.83 5 5 2.0 1154.4 1140.1 Analysis
12 2019 South African Junior Team Championships (U14E) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 5.5 1080.4 1061.7 Analysis
11 Stellenberg Youth Chess Championship 2019 (B) 2019/04/30 2019/05/01 Cape Town (WCT) Standard 60 0.83 6 6 1.5 1112.3 1091.0 Analysis
10 Cape Winelands Open 2019 (B) 2019/04/27 2019/04/27 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1035.8 967.6 Analysis
9 Steinitz Chess Festival 2019 (C) 2019/04/05 2019/04/07 Cape Town (WCT) Standard 70 0.87 6 3 2.0 1035.8 967.6 Analysis
8 Cape Winelands Schools Closed 2019 (U13 Boys) 2019/03/16 2019/03/17 Cape Winelands (WCW) Standard 60 0.83 7 7 3.0 1013.9 855.0 Analysis
7 CW Schools Open 2019 (U13 Boys) 2019/02/02 2019/02/02 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.0 1000.7 724.6 Analysis
6 Western Cape Top Schools 2018 (U11 Mix) 2018/08/25 2018/08/26 Overberg (WOS) Standard 60 0.83 5 4 3.0 911.5 789.8 Analysis
5 Cape Winelands Schools Chess - Top Schools 2018 (U9+U11 Mix) 2018/07/28 2018/07/28 Cape Winelands (WCW) Rapid 30 0.60 5 4 2.0 811.6 666.2 Analysis
4 Stellenberg Youth Chess Champs 2018 (C) 2018/06/22 2018/06/23 Cape Town (WCT) Standard 60 0.83 6 6 1.0 854.1 843.0 Analysis
3 Crossroads Open Chess Championship 2018 (C) 2018/04/27 2018/04/29 Cape Town (WCT) Standard 120 1.00 6 6 4.0 709.3 700.6 Analysis
2 Cape Winelands Schools Prestige 2018 (U11 Boys) 2018/03/24 2018/03/25 Cape Winelands (WCW) Standard 60 0.83 7 7 3.0 632.2 632.2 Analysis
1 Cape Winelands Schools Trials 1 2018 (U11 Boys) 2018/03/03 2018/03/03 Cape Winelands (WCW) Rapid 30 0.60 6 6 2.0 632.2 632.2 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 78 37 2 39 38.0 48.7 -10.9 1088.4 1077.5
White 40 17 2 21 18.0 45.0 -42.5 1071.5 1029.0
Black 38 20 0 18 20.0 52.6 22.4 1106.3 1128.6
Standard All 56 26 2 28 27.0 48.2 -15.2 1091.8 1076.6
White 29 10 2 17 11.0 37.9 -102.6 1086.9 984.3
Black 27 16 0 11 16.0 59.3 78.7 1097.1 1175.8
Rapid All 22 11 0 11 11.0 50.0 0.0 1079.8 1079.8
White 11 7 0 4 7.0 63.6 115.9 1030.8 1146.7
Black 11 4 0 7 4.0 36.4 -115.9 1128.8 1012.9
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 107086599 Titus, L (Lucien) 2 2.0 2 0 0 100.0 632.2 425.0 1057.2 View list
2 1060108629 Kirchner, K (Keenan) 2 1.0 1 0 1 50.0 1007.3 0.0 1007.3 View list
3 208088220 Afonso, IS (Isabella) 1 1.0 1 0 0 100.0 854.1 425.0 1279.1 View list
4 1060108635 Bester, J (Jayden) 1 1.0 1 0 0 100.0 1000.7 425.0 1425.7 View list
5 1070132333 Dampies, C (Chriss-Lynn) 1 1.0 1 0 0 100.0 1154.4 425.0 1579.4 View list
6 1070108643 Compion, R (Renier) 1 1.0 1 0 0 100.0 1000.7 425.0 1425.7 View list
7 1060112262 Elshafay, M (Markus) 1 1.0 1 0 0 100.0 1035.8 425.0 1460.8 View list
8 107087110 Du Plessis, S (Stefan) 1 1.0 1 0 0 100.0 911.5 425.0 1336.5 View list
9 1060111375 Buys, R (Reynard) 1 1.0 1 0 0 100.0 1013.9 425.0 1438.9 View list
10 1070132331 Boonzaaier, L (Logan) 1 1.0 1 0 0 100.0 1154.4 425.0 1579.4 View list
11 1070097081 Fortuin, R (Robin) 1 1.0 1 0 0 100.0 632.2 425.0 1057.2 View list
12 1070100613 Gabriels, J (Jawon) 1 1.0 1 0 0 100.0 1154.4 425.0 1579.4 View list
13 1070108640 Gardner, S (Sulayman) 1 1.0 1 0 0 100.0 1013.9 425.0 1438.9 View list
14 207090606 Gcuze, K (Khanya) 1 1.0 1 0 0 100.0 911.5 425.0 1336.5 View list
15 2070101940 Grobler, C (Chanelle) 1 1.0 1 0 0 100.0 1035.8 425.0 1460.8 View list
16 107078343 Kadir, A (Ameer) 1 1.0 1 0 0 100.0 632.2 425.0 1057.2 View list
17 104082184 Kleynhans, T (Teon) 1 1.0 1 0 0 100.0 1035.8 425.0 1460.8 View list
18 1070130336 Mark, O (Odigie) 1 1.0 1 0 0 100.0 1154.4 425.0 1579.4 View list
19 106078280 Mocke, C (Christiaan) 1 1.0 1 0 0 100.0 1013.9 425.0 1438.9 View list
20 2070109781 Naicker, MK (Mahalia Khanya) 1 1.0 1 0 0 100.0 1080.4 425.0 1505.4 View list