Player Page

Marais, W (Willie)
Dob: 1965/08/03 (Adult)
Gender: Male
Chess SA id: 1650107481
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2022/07/14 (651 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 rating1314.9
Curent Weighted rating1290.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1314.9
Current floor (min rating allowed)814.9
Current highest rating achieved1314.9
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)±140.8
Current Raw change used (final)0.0
Projected new Raw rating1314.9
Projected new Weighed rating1292.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1314.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1314.9
Projected new floor814.9
Projected new K-facor36
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 rating1300.0
Curent Weighted rating1230.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1300.0
Current floor (min rating allowed)800.0
Current highest rating achieved1300.0
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)±143.8
Current Raw change used (final)0.0
Projected new Raw rating1300.0
Projected new Weighed rating1236.7
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1300.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1300.0
Projected new floor800.0
Projected new K-facor36
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 rating1371.8
Curent Weighted rating1321.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1371.8
Current floor (min rating allowed)871.8
Current highest rating achieved1371.8
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)±129.8
Current Raw change used (final)0.0
Projected new Raw rating1371.8
Projected new Weighed rating1325.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1371.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1371.8
Projected new floor871.8
Projected new K-facor36
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 rating1274.3
Curent Weighted rating1235.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1274.3
Current floor (min rating allowed)871.8
Current highest rating achieved1274.3
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)±149.2
Current Raw change used (final)0.0
Projected new Raw rating1274.3
Projected new Weighed rating1239.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1274.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1274.3
Projected new floor871.8
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 South African Open 2022 (Blitz) 2022/07/14 2022/07/14 Cape Town (WCT) Blitz 5 0.18 10 10 4.5 1264.1 1200.0 Analysis
2 Drakenstein Dragons Rapid 2019 (Open) 2019/01/19 2019/01/19 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1202.1 1200.8 Analysis
1 ACL Open 2018 (Open) 2018/12/07 2018/12/09 Cape Town (WCT) Rapid 35 0.66 5 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 21 11 1 9 11.5 54.8 40.5 1432.3 1472.8
White 12 9 1 2 9.5 79.2 247.9 1369.4 1617.3
Black 9 2 0 7 2.0 22.2 -236.1 1516.2 1280.1
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 11 7 0 4 7.0 63.6 115.9 1352.7 1468.6
White 7 6 0 1 6.0 85.7 303.6 1287.7 1591.3
Black 4 1 0 3 1.0 25.0 -212.5 1466.5 1254.0
Blitz All 10 4 1 5 4.5 45.0 -42.5 1519.8 1477.3
White 5 3 1 1 3.5 70.0 170.0 1483.7 1653.7
Black 5 1 0 4 1.0 20.0 -255.0 1555.9 1300.9
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 182003312 Boyisi, A (Aaron) 1 1.0 1 0 0 100.0 1202.1 425.0 1627.1 View list
2 1910106182 Altalib, S (Saajid) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 104092951 Adams, J (Jedediah) 1 1.0 1 0 0 100.0 1264.1 425.0 1689.1 View list
4 186005214 Coetzee, JS (Justin) 1 1.0 1 0 0 100.0 1264.1 425.0 1689.1 View list
5 1470107939 Frans, J (Johannes) 1 1.0 1 0 0 100.0 1202.1 425.0 1627.1 View list
6 174085062 Ferreira, C (Craig) 1 1.0 1 0 0 100.0 1202.1 425.0 1627.1 View list
7 108092067 Imrie, D (Daniel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 199060839 Matthys, A (Allistair) 1 1.0 1 0 0 100.0 1202.1 425.0 1627.1 View list
9 103054244 Muller, K (Kaden) 1 1.0 1 0 0 100.0 1264.1 425.0 1689.1 View list
10 102064456 Sithole, A (Anoona) 1 1.0 1 0 0 100.0 1264.1 425.0 1689.1 View list
11 1740107479 Wosk, J (Jonathan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 102092555 Makhetha, L (Laviens) 1 0.5 0 1 0 50.0 1264.1 0.0 1264.1 View list
13 108079781 Soojay, J (Jorah) 1 0.0 0 0 1 0.0 1264.1 -425.0 839.1 View list
14 157030080 Pick, DD (Deon) 1 0.0 0 0 1 0.0 1202.1 -425.0 777.1 View list
15 103044466 Nieuwoudt, D (Dawid) 1 0.0 0 0 1 0.0 1264.1 -425.0 839.1 View list
16 106092062 Ncethelo, B (Bongolethu) 1 0.0 0 0 1 0.0 1264.1 -425.0 839.1 View list
17 191023895 Mohamed, A (Adil) 1 0.0 0 0 1 0.0 1264.1 -425.0 839.1 View list
18 1040107480 Marais, C (Charl) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 184009958 Fraser, CJ (Craig) 1 0.0 0 0 1 0.0 1202.1 -425.0 777.1 View list
20 1600107478 Du Toit, G (Guillaume) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list