Player Page

Porteous, S (Stephen)
Dob: 2008/10/07 (U18)
Gender: Male
Chess SA id: 1080139930
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (83 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 rating1055.4
Current Weighted rating1130.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1130.0
Current highest rating achieved1162.8
Current floor (min rating allowed)662.8
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)±203.7
Current Raw change used (final)0.0
Projected new Raw rating1055.4
Projected new Weighed rating1038.5
Projected new Weighted performance813.1
Projected new final Raw rating (if new WP > new Raw)1055.4
Projected new highest rating1162.8
Projected new floor662.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1055.4
Projected effective change (new Official - current Official)-74.6
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 rating1040.0
Current Weighted rating1120.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1120.2
Current highest rating achieved1157.2
Current floor (min rating allowed)657.2
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)±208.3
Current Raw change used (final)0.0
Projected new Raw rating1040.0
Projected new Weighed rating1029.3
Projected new Weighted performance813.1
Projected new final Raw rating (if new WP > new Raw)1040.0
Projected new highest rating1157.2
Projected new floor657.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1040.0
Projected effective change (new Official - current Official)-80.2
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 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
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
3 2024 Etienne Lewis (U18+U20) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 6 0.0 1088.5 1070.8 Analysis
2 2024 Tshwane North School District Cluster 4 & 5 Team League (U17) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1122.0 1108.8 Analysis
1 District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys) 2024/05/06 2024/05/06 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1162.8 1157.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 2024 Etienne Lewis (U18+U20) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 6 0.0 1088.5 1070.8 Analysis
3 2024 Tshwane North School District Cluster 4 & 5 Team League (U17) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1122.0 1108.8 Analysis
2 District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys) 2024/05/06 2024/05/06 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1162.8 1157.2 Analysis
1 2022 D3 Cluster City Schools (U15) 2022/04/23 2022/04/23 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 16 2 0 14 2.0 12.5 -318.8 1267.3 948.5
White 6 1 0 5 1.0 16.7 -283.3 1244.6 961.3
Black 10 1 0 9 1.0 10.0 -340.0 1280.9 940.9
Standard All 16 2 0 14 2.0 12.5 -318.8 1267.3 948.5
White 6 1 0 5 1.0 16.7 -283.3 1244.6 961.3
Black 10 1 0 9 1.0 10.0 -340.0 1280.9 940.9
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 20 3 0 17 3.0 15.0 -297.5 1249.0 951.5
White 8 1 0 7 1.0 12.5 -318.8 1234.2 915.5
Black 12 2 0 10 2.0 16.7 -283.3 1258.8 975.5
Standard All 20 3 0 17 3.0 15.0 -297.5 1249.0 951.5
White 8 1 0 7 1.0 12.5 -318.8 1234.2 915.5
Black 12 2 0 10 2.0 16.7 -283.3 1258.8 975.5
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 1080303438 Makhubela, K (Kamogelo) 2 0.0 0 0 2 0.0 1142.4 -425.0 717.4 View list
2 1080139926 Erasmus, L (Lo-Andro) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1080303433 Gaompotse, J (Justin) 1 1.0 1 0 0 100.0 1122.0 425.0 1547.0 View list
4 1080303442 Maswanganye, M (Muhluri) 1 1.0 1 0 0 100.0 1162.8 425.0 1587.8 View list
5 1080114711 Van Der Westhuizen, E (Ethan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
6 1080303450 Tshirado, P (Phenyo) 1 0.0 0 0 1 0.0 1162.8 -425.0 737.8 View list
7 2070143697 Tivane, L (Lebo) 1 0.0 0 0 1 0.0 1088.5 -425.0 663.5 View list
8 1070152730 Swindell, R (Reese) 1 0.0 0 0 1 0.0 1088.5 -425.0 663.5 View list
9 108061342 Stolp, T (Tiaan) 1 0.0 0 0 1 0.0 1088.5 -425.0 663.5 View list
10 1080303447 Songa, S (Siyabonga) 1 0.0 0 0 1 0.0 1162.8 -425.0 737.8 View list
11 1080130090 Matsioloko, O (Osega) 1 0.0 0 0 1 0.0 1088.5 -425.0 663.5 View list
12 1090155983 Macheke, N (Nkateko) 1 0.0 0 0 1 0.0 1122.0 -425.0 697.0 View list
13 1080158369 Mabotja, M (Molatelo) 1 0.0 0 0 1 0.0 1088.5 -425.0 663.5 View list
14 1070303437 Luvuno, L (Luvuyo) 1 0.0 0 0 1 0.0 1162.8 -425.0 737.8 View list
15 207079080 Lodi, I (Isagoentle) 1 0.0 0 0 1 0.0 1088.5 -425.0 663.5 View list
16 1070133907 Legodi, K (Keorapetse) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 1080102523 Kruger, S (Stefan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1080303431 Ferns, S (Stian Hunter) 1 0.0 0 0 1 0.0 1122.0 -425.0 697.0 View list
19 1070303430 Deane, P (Petogo) 1 0.0 0 0 1 0.0 1122.0 -425.0 697.0 View list