Player Page

Nel, JB (Janko)
Dob: 2009/04/18 (U16)
Gender: Male
Chess SA id: 109075164
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2022/10/14 (581 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 rating1222.1
Curent Weighted rating1221.9
Curent Weighted performance821.7
Current official/published rating (highest between Raw, WR and WP)1222.1
Current floor (min rating allowed)725.6
Current highest rating achieved1225.6
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)±160.7
Current Raw change used (final)0.0
Projected new Raw rating1222.1
Projected new Weighed rating1222.2
Projected new Weighted performance821.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1222.2
Projected effective change (new Official - current Official)+0.1
Projected new highest rating1225.6
Projected new floor725.6
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 rating1228.4
Curent Weighted rating1228.1
Curent Weighted performance699.4
Current official/published rating (highest between Raw, WR and WP)1228.4
Current floor (min rating allowed)728.4
Current highest rating achieved1228.4
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)±159.2
Current Raw change used (final)0.0
Projected new Raw rating1228.4
Projected new Weighed rating1228.4
Projected new Weighted performance699.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1228.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1228.4
Projected new floor728.4
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 rating809.4
Curent Weighted rating806.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)809.4
Current floor (min rating allowed)500.0
Current highest rating achieved809.4
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)±289.3
Current Raw change used (final)0.0
Projected new Raw rating809.4
Projected new Weighed rating807.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)809.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating809.4
Projected new floor500.0
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 rating725.8
Curent Weighted rating725.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)725.8
Current floor (min rating allowed)500.0
Current highest rating achieved725.8
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)±325.9
Current Raw change used (final)0.0
Projected new Raw rating725.8
Projected new Weighed rating725.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)725.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating725.8
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
18 Super 8 Skaak 2022 (Seniors) 2022/10/14 2022/10/14 Bojanala Platina (NBR) Rapid 30 0.60 7 6 2.5 1225.6 725.8 Analysis
17 Bojanala Chess Federation Clash of Schools 2022 (PS Championship) 2022/07/22 2022/07/22 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 1141.9 1127.2 Analysis
16 Laerskool Brits 2019 (U12) 2019/08/31 2019/08/31 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1081.1 1052.0 Analysis
15 Laerskool Olienpark 2019 (U12) 2019/04/06 2019/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1093.1 1063.2 Analysis
14 2019 South African Junior Closed Chess Championship (U10 Open) 2019/03/17 2019/03/22 Chess South Africa (CSA) Standard 120 1.00 9 8 3.0 1044.3 1012.0 Analysis
13 Laerskool Vastrap Tournament 2019 (B) 2019/02/23 2019/02/23 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.0 1059.6 1033.2 Analysis
12 Rustenburg Noord Primary Tournament 2019 (U12) 2019/02/09 2019/02/09 Bojanala Platina (NBR) Standard 60 0.83 5 4 3.0 1059.6 1033.2 Analysis
11 South African Junior Team Championships 2018 (U10A) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 2.0 1161.4 1124.8 Analysis
10 2018 Tshwane Inter Region (U10A) 2018/12/01 2018/12/01 Cape Town (WCT) Standard 60 0.83 5 5 1.0 1161.4 1124.8 Analysis
9 Lebone II Chess 2018 (U10) 2018/09/01 2018/09/01 Cape Town (WCT) Standard 60 0.83 5 5 4.5 1096.0 1062.0 Analysis
8 Laerskool Brits Tournament 2018 (U10) 2018/08/04 2018/08/04 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 995.9 975.1 Analysis
7 Inter Regional 2018 (U10 Team) 2018/05/04 2018/05/05 Frances Baard (NCF) Standard 60 0.83 5 5 2.5 989.8 999.5 Analysis
6 Laerskool Olienpark 2018 (U10) 2018/04/21 2018/04/21 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 910.6 915.6 Analysis
5 Laerskool Rustenburg 2018 (D) 2018/03/24 2018/03/24 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 798.2 802.2 Analysis
4 Hoerskool Brits 2018 (U10) 2018/03/17 2018/03/17 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 798.2 802.2 Analysis
3 Laerskool Rustenburg Noord Primary 2018 (D) 2018/02/24 2018/02/24 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 778.6 778.6 Analysis
2 Laerskool Vastrap 2018 (U10) 2018/02/03 2018/02/03 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 778.6 778.6 Analysis
1 South African Junior Team Championships 2017 (U10D) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 4.0 725.8 725.8 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 97 60 3 34 61.5 63.4 113.9 977.3 1091.2
White 50 34 2 14 35.0 70.0 170.0 947.1 1117.1
Black 47 26 1 20 26.5 56.4 54.3 1009.5 1063.8
Standard All 91 58 2 31 59.0 64.8 126.1 957.7 1083.8
White 47 32 2 13 33.0 70.2 171.8 926.9 1098.7
Black 44 26 0 18 26.0 59.1 77.3 990.7 1068.0
Rapid All 6 2 1 3 2.5 41.7 -70.8 1274.4 1203.5
White 3 2 0 1 2.0 66.7 141.7 1263.4 1405.0
Black 3 0 1 2 0.5 16.7 -283.3 1285.4 1002.1
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 109075163 Letupu, L (Lemogang) 4 3.0 3 0 1 75.0 933.1 212.5 1145.6 View list
2 109088223 Mulder, SL (Stephanus) 4 3.0 3 0 1 75.0 945.3 212.5 1157.8 View list
3 109089650 Kleynhans, EH (Eldrich) 3 3.0 3 0 0 100.0 890.9 425.0 1315.9 View list
4 109075158 Vosloo, T (Tiaan) 3 3.0 3 0 0 100.0 922.8 425.0 1347.8 View list
5 109086554 Van Staden, J (Jakobus) 3 2.0 2 0 1 66.7 978.1 141.7 1119.7 View list
6 109083250 Byliefeldt, L (Leroux) 3 1.5 1 1 1 50.0 1050.5 0.0 1050.5 View list
7 209088228 Combrink, ZA (Zenadine) 2 2.0 2 0 0 100.0 854.4 425.0 1279.4 View list
8 109088239 Diale, O (Ompile) 2 2.0 2 0 0 100.0 854.4 425.0 1279.4 View list
9 109083234 Marx, HB (Heinrich) 2 2.0 2 0 0 100.0 1068.9 425.0 1493.9 View list
10 209076466 Fouche, E (Estelle) 2 1.0 1 0 1 50.0 1044.5 0.0 1044.5 View list
11 1090096767 Duvenhage, AM (Adriaan) 2 1.0 1 0 1 50.0 1102.8 0.0 1102.8 View list
12 109075165 Jacobs, J (Jancu) 2 1.0 1 0 1 50.0 798.2 0.0 798.2 View list
13 208075126 Van Zyl, M (Mischka) 2 1.0 1 0 1 50.0 1087.1 0.0 1087.1 View list
14 109078336 Willis, C (Cronan) 2 0.0 0 0 2 0.0 1075.6 -425.0 650.6 View list
15 109081477 Bezuidenhout, N (Nathan) 1 1.0 1 0 0 100.0 798.2 425.0 1223.2 View list
16 109089653 Bredenkamp, G (Gunther) 1 1.0 1 0 0 100.0 1093.1 425.0 1518.1 View list
17 1110144218 Chotia, N (Naeem) 1 1.0 1 0 0 100.0 1141.9 425.0 1566.9 View list
18 109081022 Cass, M (Matthew) 1 1.0 1 0 0 100.0 1161.4 425.0 1586.4 View list
19 210086569 Combrinck, J (Janeske) 1 1.0 1 0 0 100.0 778.6 425.0 1203.6 View list
20 109085307 De Waal, L (Liam) 1 1.0 1 0 0 100.0 725.8 425.0 1150.8 View list