Player Page

Jaartzen, N (Neville)
Dob: 2008/09/03 (U18)
Gender: Male
Chess SA id: 1080135187
FIDE id:
Region: ZF Mgcawu (NZF)
Citizen: RSA
Title(s):
Last active: 2023/03/04 (444 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 rating1132.5
Curent Weighted rating1132.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1132.5
Current floor (min rating allowed)673.5
Current highest rating achieved1173.5
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)±182.6
Current Raw change used (final)0.0
Projected new Raw rating1132.5
Projected new Weighed rating1132.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1132.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1173.5
Projected new floor673.5
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 rating1122.4
Curent Weighted rating1121.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1122.4
Current floor (min rating allowed)666.4
Current highest rating achieved1166.4
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)±185.2
Current Raw change used (final)0.0
Projected new Raw rating1122.4
Projected new Weighed rating1121.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1122.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1166.4
Projected new floor666.4
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor700.0
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 ZF Mgcawu Open 2023 (U19) 2023/03/04 2023/03/04 ZF Mgcawu (NZF) Standard 60 0.83 5 0 0.0 1130.8 1117.2 Analysis
4 ZF Mgcawu Open 2023 (U13+U15) 2023/03/04 2023/03/04 ZF Mgcawu (NZF) Standard 60 0.83 5 5 2.0 1130.8 1117.2 Analysis
3 Northern Cape Schools Chess Provincial Eliminations 2021 (Boys) 2021/11/05 2021/11/05 Frances Baard (NCF) Standard 62 0.84 5 5 1.0 1173.5 1166.4 Analysis
2 NC Open 2021 (D) 2021/10/22 2021/10/23 Frances Baard (NCF) Standard 62 0.84 5 5 1.5 1200.0 1200.0 Analysis
1 ZFM Schools Eliminations 2021 (Open) 2021/10/16 2021/10/16 ZF Mgcawu (NZF) Standard 62 0.84 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 20 7 1 12 7.5 37.5 -106.3 1196.5 1090.2
White 10 4 1 5 4.5 45.0 -42.5 1194.5 1152.0
Black 10 3 0 7 3.0 30.0 -170.0 1198.5 1028.5
Standard All 20 7 1 12 7.5 37.5 -106.3 1196.5 1090.2
White 10 4 1 5 4.5 45.0 -42.5 1194.5 1152.0
Black 10 3 0 7 3.0 30.0 -170.0 1198.5 1028.5
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 2080142237 Pietersen, M (Mikayla) 1 1.0 1 0 0 100.0 1130.8 425.0 1555.8 View list
2 1080135189 Pampoen, R (Roghan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1080135803 Naveed, IA (Idrees Ahmed) 1 1.0 1 0 0 100.0 1173.5 425.0 1598.5 View list
4 1080135188 Mouers, C (Charvento) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 108082849 Steenkamp, P (Preston) 1 1.0 1 0 0 100.0 1130.8 425.0 1555.8 View list
6 1080135193 Van Wyk, J (Joe-Wandre) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2120135344 Bogopane, T (Tlhomamo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1110117878 Katane, L (Lesedi) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
9 1090142216 Van Ster, C (Cuan) 1 0.0 0 0 1 0.0 1130.8 -425.0 705.8 View list
10 1080135192 Titus, O (Obed Clayd) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1080135190 Pretorius, D (Duncan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 108083658 Plaatjies, T (Tristan) 1 0.0 0 0 1 0.0 1173.5 -425.0 748.5 View list
13 1090100225 Booysen, L (Lebogang) 1 0.0 0 0 1 0.0 1130.8 -425.0 705.8 View list
14 1100134179 Bissett, C (Chris) 1 0.0 0 0 1 0.0 1173.5 -425.0 748.5 View list
15 1110104293 Matthys, A (Ayden) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 1080142226 Lukas, R (Rukevinay) 1 0.0 0 0 1 0.0 1130.8 -425.0 705.8 View list
17 1080114221 Lekwene, K (Kgatontle) 1 0.0 0 0 1 0.0 1173.5 -425.0 748.5 View list
18 1090135802 Kongolo, T (Teddy) 1 0.0 0 0 1 0.0 1173.5 -425.0 748.5 View list
19 1070134171 Khunou, N (Nealan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
20 1010135349 Kerakanetswe, M (Mpotsang) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list