Player Page

Kotze, I (Izak)
Dob: 2005/06/28 (U20)
Gender: Male
Chess SA id: 105016327
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2023/08/26 (334 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 rating794.3
Current Weighted rating773.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)794.3
Current highest rating achieved794.3
Current floor (min rating allowed)500.0
Current K-factor40
Games played this month-4
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)±295.6
Current Raw change used (final)0.0
Projected new Raw rating794.3
Projected new Weighed rating714.2
Projected new Weighted performance714.6
Projected new final Raw rating (if new WP > new Raw)794.3
Projected new highest rating794.3
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)794.3
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 rating768.2
Current Weighted rating758.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)768.2
Current highest rating achieved768.2
Current floor (min rating allowed)500.0
Current K-factor40
Games played this month-4
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)±306.8
Current Raw change used (final)0.0
Projected new Raw rating768.2
Projected new Weighed rating699.4
Projected new Weighted performance523.4
Projected new final Raw rating (if new WP > new Raw)768.2
Projected new highest rating768.2
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)768.2
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 rating713.8
Current Weighted rating693.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)713.8
Current highest rating achieved713.8
Current floor (min rating allowed)500.0
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)±331.5
Current Raw change used (final)0.0
Projected new Raw rating713.8
Projected new Weighed rating639.4
Projected new Weighted performance325.4
Projected new final Raw rating (if new WP > new Raw)713.8
Projected new highest rating713.8
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)713.8
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 rating635.0
Current Weighted rating635.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)635.0
Current highest rating achieved635.0
Current floor (min rating allowed)500.0
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)±370.9
Current Raw change used (final)0.0
Projected new Raw rating635.0
Projected new Weighed rating584.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating635.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)635.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 CW Top Schools 2023 (U18 Mix) 2023/08/26 2023/08/26 Cape Winelands (WCW) Rapid 32 0.63 5 5 2.0 747.2 635.0 Analysis
2 Cape Winelands Schools Prestige 2023 (U19 Boys) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 1.0 717.0 733.8 Analysis
1 Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys) 2023/02/25 2023/02/25 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 635.0 635.0 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 15 4 3 8 5.5 36.7 -113.3 1195.3 1082.0
White 9 2 2 5 3.0 33.3 -141.7 1190.4 1048.7
Black 6 2 1 3 2.5 41.7 -70.8 1202.6 1131.8
Standard All 10 3 1 6 3.5 35.0 -127.5 1199.3 1071.8
White 6 1 1 4 1.5 25.0 -212.5 1185.3 972.8
Black 4 2 0 2 2.0 50.0 0.0 1220.3 1220.3
Rapid All 5 1 2 2 2.0 40.0 -85.0 1187.3 1102.3
White 3 1 1 1 1.5 50.0 0.0 1200.7 1200.7
Black 2 0 1 1 0.5 25.0 -212.5 1167.3 954.8
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 104049731 Waite, S (Sebastian) 2 0.5 0 1 1 25.0 676.0 -212.5 463.5 View list
2 1050132398 Williams, Z (Zinan) 1 1.0 1 0 0 100.0 717.0 425.0 1142.0 View list
3 1050151333 Pieters, J (Jd) 1 1.0 1 0 0 100.0 635.0 425.0 1060.0 View list
4 1050151329 Geel, R (Ruan) 1 1.0 1 0 0 100.0 635.0 425.0 1060.0 View list
5 1070105921 Liebenberg, D (Dewald) 1 1.0 1 0 0 100.0 747.2 425.0 1172.2 View list
6 1070137605 Jaeger, D (Daniel) 1 0.5 0 1 0 50.0 747.2 0.0 747.2 View list
7 108088280 Mostert, M (Mikhail) 1 0.5 0 1 0 50.0 747.2 0.0 747.2 View list
8 1050151336 Van Der Westhuizen, D (Dawid) 1 0.0 0 0 1 0.0 635.0 -425.0 210.0 View list
9 105082964 Pieterse, W (William) 1 0.0 0 0 1 0.0 717.0 -425.0 292.0 View list
10 1050111376 Pienaar, E (Eduardt) 1 0.0 0 0 1 0.0 717.0 -425.0 292.0 View list
11 105087808 Moses, B (Brentino) 1 0.0 0 0 1 0.0 747.2 -425.0 322.2 View list
12 1050108676 February, B (Benjamim) 1 0.0 0 0 1 0.0 717.0 -425.0 292.0 View list
13 105052368 Coetsee, JE (Johan) 1 0.0 0 0 1 0.0 635.0 -425.0 210.0 View list
14 1070147577 Appels, C (Charlton-John) 1 0.0 0 0 1 0.0 747.2 -425.0 322.2 View list