Player Page

Mcdonald, S (Stefan)
Dob: 2007/03/20 (U18)
Gender: Male
Chess SA id: 107052379
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2019/05/25 (1820 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 rating924.9
Curent Weighted rating924.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)924.9
Current floor (min rating allowed)500.0
Current highest rating achieved982.0
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)±245.4
Current Raw change used (final)0.0
Projected new Raw rating924.9
Projected new Weighed rating924.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)924.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating982.0
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 rating918.4
Curent Weighted rating918.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)918.4
Current floor (min rating allowed)500.0
Current highest rating achieved990.4
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)±247.7
Current Raw change used (final)0.0
Projected new Raw rating918.4
Projected new Weighed rating918.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)918.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating990.4
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 rating874.0
Curent Weighted rating874.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)874.0
Current floor (min rating allowed)500.0
Current highest rating achieved874.0
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)±263.8
Current Raw change used (final)0.0
Projected new Raw rating874.0
Projected new Weighed rating874.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)874.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating874.0
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 rating823.2
Curent Weighted rating823.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)823.2
Current floor (min rating allowed)500.0
Current highest rating achieved823.2
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)±283.6
Current Raw change used (final)0.0
Projected new Raw rating823.2
Projected new Weighed rating823.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)823.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating823.2
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 2019 Gauteng Primary Schools Individual Chess Championships (U13 Boys) 2019/05/25 2019/05/25 Tshwane (GTP) Standard 60 0.83 5 3 0.0 982.0 990.4 Analysis
4 2019 D3 Individuals (U13 Boys) 2019/04/13 2019/04/13 Tshwane (GTP) Standard 60 0.83 5 5 4.5 921.6 913.6 Analysis
3 2018 Super 12 (Senior) 2018/05/05 2018/05/05 Tshwane (GTP) Rapid 30 0.60 5 5 3.0 903.8 823.2 Analysis
2 2018 D3 Tshwane North Individual Chess Championships (U11 Mixed) 2018/03/24 2018/03/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 856.0 856.0 Analysis
1 South African Junior Team Championships 2017 (U12B) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 5.0 823.2 823.2 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 25 15 1 9 15.5 62.0 102.0 882.7 984.7
White 11 8 1 2 8.5 77.3 231.8 874.8 1106.6
Black 14 7 0 7 7.0 50.0 0.0 888.9 888.9
Standard All 20 12 1 7 12.5 62.5 106.3 869.5 975.7
White 9 6 1 2 6.5 72.2 188.9 921.2 1110.1
Black 11 6 0 5 6.0 54.5 38.6 827.2 865.9
Rapid All 5 3 0 2 3.0 60.0 85.0 935.4 1020.4
White 2 2 0 0 2.0 100.0 425.0 666.0 1091.0
Black 3 1 0 2 1.0 33.3 -141.7 1115.1 973.4
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 106078897 Schultz, R (Ryno) 1 1.0 1 0 0 100.0 903.8 425.0 1328.8 View list
2 107083549 Pillay, PJ (Palin) 1 1.0 1 0 0 100.0 823.2 425.0 1248.2 View list
3 206086842 Nkune, K (Kgaogelo) 1 1.0 1 0 0 100.0 823.2 425.0 1248.2 View list
4 105079483 Strydom, L (Lian) 1 1.0 1 0 0 100.0 903.8 425.0 1328.8 View list
5 106057176 Spokes, BA (Brogan) 1 1.0 1 0 0 100.0 921.6 425.0 1346.6 View list
6 105049634 Van Schalkwyk, O (Otto) 1 1.0 1 0 0 100.0 903.8 425.0 1328.8 View list
7 2070099948 Swele, AB (Agnes) 1 1.0 1 0 0 100.0 856.0 425.0 1281.0 View list
8 106068908 Grobler, N (Nicholis) 1 1.0 1 0 0 100.0 823.2 425.0 1248.2 View list
9 107088585 Grobler, JTW (Johannes Theodorus Wessel) 1 1.0 1 0 0 100.0 921.6 425.0 1346.6 View list
10 107084454 Fulat, F (Faheem) 1 1.0 1 0 0 100.0 856.0 425.0 1281.0 View list
11 1070099939 Heydenreich, E (Emile) 1 1.0 1 0 0 100.0 856.0 425.0 1281.0 View list
12 1060112672 De Goede, D (De La Rey) 1 1.0 1 0 0 100.0 921.6 425.0 1346.6 View list
13 106061688 Willemse, A (Alexandro) 1 1.0 1 0 0 100.0 823.2 425.0 1248.2 View list
14 107056226 Wilson, JV (Juan-Jacques) 1 1.0 1 0 0 100.0 823.2 425.0 1248.2 View list
15 1060099976 Wilson, P (Petrus Johannes) 1 1.0 1 0 0 100.0 921.6 425.0 1346.6 View list
16 107079475 De Beer, JP (Jan Petrus) 1 0.5 0 1 0 50.0 921.6 0.0 921.6 View list
17 107088698 Stubbs, M (Matthew) 1 0.0 0 0 1 0.0 823.2 -425.0 398.2 View list
18 106080256 Shange, NS (Njabulo Samukele) 1 0.0 0 0 1 0.0 982.0 -425.0 557.0 View list
19 108045082 Koning, L (Lehan) 1 0.0 0 0 1 0.0 856.0 -425.0 431.0 View list
20 1060109557 Hlongwane, S (Simphiwe) 1 0.0 0 0 1 0.0 982.0 -425.0 557.0 View list