Player Page

Marais, I (Ivan)
Dob: 2014/12/10 (U12)
Gender: Male
Chess SA id: 1140192028
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/03/09 (99 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 rating1189.9
Current Weighted rating1196.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1196.8
Current highest rating achieved1189.9
Current floor (min rating allowed)689.9
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)±168.2
Current Raw change used (final)0.0
Projected new Raw rating1189.9
Projected new Weighed rating1100.9
Projected new Weighted performance637.1
Projected new final Raw rating (if new WP > new Raw)1189.9
Projected new highest rating1189.9
Projected new floor689.9
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1189.9
Projected effective change (new Official - current Official)-6.9
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
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 rating1184.8
Current Weighted rating1195.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1195.0
Current highest rating achieved1184.8
Current floor (min rating allowed)684.8
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)±169.4
Current Raw change used (final)0.0
Projected new Raw rating1184.8
Projected new Weighed rating1099.2
Projected new Weighted performance670.7
Projected new final Raw rating (if new WP > new Raw)1184.8
Projected new highest rating1184.8
Projected new floor684.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1184.8
Projected effective change (new Official - current Official)-10.2
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
2 Benoni Primary School Cluster Individuals 2024 (U11 Boys) 2024/03/09 2024/03/09 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.5 1187.0 1178.0 Analysis
1 Laerskool Northmead Proewe 2024 (U11) 2024/02/10 2024/02/10 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 Benoni Primary School Cluster Individuals 2024 (U11 Boys) 2024/03/09 2024/03/09 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.5 1187.0 1178.0 Analysis
1 Laerskool Northmead Proewe 2024 (U11) 2024/02/10 2024/02/10 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 4 1 5 4.5 45.0 -42.5 1199.7 1157.2
White 5 3 0 2 3.0 60.0 85.0 1199.3 1284.3
Black 5 1 1 3 1.5 30.0 -170.0 1200.0 1030.0
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 10 4 1 5 4.5 45.0 -42.5 1199.7 1157.2
White 5 3 0 2 3.0 60.0 85.0 1199.3 1284.3
Black 5 1 1 3 1.5 30.0 -170.0 1200.0 1030.0
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 10 4 1 5 4.5 45.0 -42.5 1199.7 1157.2
White 5 3 0 2 3.0 60.0 85.0 1199.3 1284.3
Black 5 1 1 3 1.5 30.0 -170.0 1200.0 1030.0
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 10 4 1 5 4.5 45.0 -42.5 1199.7 1157.2
White 5 3 0 2 3.0 60.0 85.0 1199.3 1284.3
Black 5 1 1 3 1.5 30.0 -170.0 1200.0 1030.0
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 1140192019 Byleveldt, H (Hanu) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1140192041 Viviers, C (Christopher) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1130301237 Mosotu, B (Bk) 1 1.0 1 0 0 100.0 1187.0 425.0 1612.0 View list
4 1140301229 Heydenreich, J (Jayden) 1 1.0 1 0 0 100.0 1187.0 425.0 1612.0 View list
5 1130301228 Gatsios, P (Panayiotis) 1 0.5 0 1 0 50.0 1187.0 0.0 1187.0 View list
6 1140151776 Venter, L (Luan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 1140192040 Van Schalkwyk, T (Tj) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 2130152988 Swanevelder, Z (Zianey) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 1140301240 Nortje, W (Wesley) 1 0.0 0 0 1 0.0 1187.0 -425.0 762.0 View list
10 1130301236 Meyer, G (Giancarlo) 1 0.0 0 0 1 0.0 1187.0 -425.0 762.0 View list