Player Page

Krog, J (Juhann)
Dob: 2008/01/08 (U18)
Gender: Male
Chess SA id: 108086552
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2023/08/19 (257 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 rating1284.9
Curent Weighted rating1273.3
Curent Weighted performance1005.8
Current official/published rating (highest between Raw, WR and WP)1284.9
Current floor (min rating allowed)784.9
Current highest rating achieved1284.9
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)±146.9
Current Raw change used (final)0.0
Projected new Raw rating1284.9
Projected new Weighed rating1274.8
Projected new Weighted performance1005.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1284.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1284.9
Projected new floor784.9
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 rating1235.4
Curent Weighted rating1235.4
Curent Weighted performance826.0
Current official/published rating (highest between Raw, WR and WP)1235.4
Current floor (min rating allowed)748.0
Current highest rating achieved1248.0
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)±157.7
Current Raw change used (final)0.0
Projected new Raw rating1235.4
Projected new Weighed rating1235.4
Projected new Weighted performance826.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1235.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1248.0
Projected new floor748.0
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 rating871.6
Curent Weighted rating823.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)871.6
Current floor (min rating allowed)500.0
Current highest rating achieved871.6
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)±264.7
Current Raw change used (final)0.0
Projected new Raw rating871.6
Projected new Weighed rating830.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)871.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating871.6
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 rating622.8
Curent Weighted rating622.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)622.8
Current floor (min rating allowed)500.0
Current highest rating achieved622.8
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)±377.4
Current Raw change used (final)0.0
Projected new Raw rating622.8
Projected new Weighed rating622.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)622.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating622.8
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
24 Bojanala School League 2023 (U15) 2023/08/19 2023/08/19 Bojanala Platina (NBR) Rapid 40 0.70 5 5 4.0 1251.6 734.8 Analysis
23 2nd One For The Ages 2022 (U16) 2022/07/30 2022/07/30 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1256.4 1228.6 Analysis
22 Bojanala Chess Federation Clash of Schools 2022 (Prestige) 2022/07/22 2022/07/22 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.5 1256.4 1228.6 Analysis
21 Laerskool Proteapark 2020 (B) 2020/02/29 2020/02/29 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1275.5 1248.0 Analysis
20 2019 South African Junior Team Championships (U12B) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 4.0 1240.2 1206.2 Analysis
19 Inter Region 2019 (U12 Open) 2019/10/19 2019/10/19 Bojanala Platina (NBR) Standard 60 0.83 5 4 3.0 1213.5 1168.1 Analysis
18 NW Open 2019 (B) 2019/10/12 2019/10/12 Bojanala Platina (NBR) Standard 60 0.83 5 3 1.0 1213.5 1168.1 Analysis
17 Laerskool Brits 2019 (U12) 2019/08/31 2019/08/31 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1187.9 1128.9 Analysis
16 Inter Regional Chess Championship 2019 (U12) 2019/05/10 2019/05/11 Mangaung (FMB) Standard 60 0.83 5 5 3.0 1121.0 1122.5 Analysis
15 2019 Super 12 Laerskole (Seniors) 2019/05/04 2019/05/04 Tshwane (GTP) Rapid 30 0.60 5 5 4.0 1121.0 618.4 Analysis
14 Laerskool Vastrap Tournament 2019 (B) 2019/02/23 2019/02/23 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1015.1 1003.3 Analysis
13 Rustenburg Noord Primary Tournament 2019 (U12) 2019/02/09 2019/02/09 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 1015.1 1003.3 Analysis
12 Fields College Open 2019 (U12) 2019/02/02 2019/02/02 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 1015.1 1003.3 Analysis
11 South African Junior Team Championships 2018 (U12C) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 2.0 1094.7 1073.3 Analysis
10 Bojanala Regionals 2018 (U12) 2018/09/15 2018/09/15 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1039.7 1052.9 Analysis
9 Lebone II Chess 2018 (U12) 2018/09/01 2018/09/01 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1039.7 1052.9 Analysis
8 Boys and Girls 2018 (U12 Boys) 2018/08/25 2018/08/25 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 845.7 871.2 Analysis
7 Laerskool Brits Tournament 2018 (U12) 2018/08/04 2018/08/04 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 845.7 871.2 Analysis
6 Hoërskool Frikkie Meyer 2018 (C) 2018/07/21 2018/07/21 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 729.6 726.4 Analysis
5 2018 Super 12 (Junior) 2018/05/05 2018/05/05 Tshwane (GTP) Rapid 30 0.60 5 5 1.0 717.5 622.8 Analysis
12
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 123 71 6 46 74.0 60.2 86.4 1022.7 1109.1
White 67 39 3 25 40.5 60.4 88.8 1017.7 1106.5
Black 56 32 3 21 33.5 59.8 83.5 1028.7 1112.2
Standard All 108 62 6 40 65.0 60.2 86.6 1006.4 1093.0
White 59 36 3 20 37.5 63.6 115.3 1002.3 1117.5
Black 49 26 3 20 27.5 56.1 52.0 1011.3 1063.4
Rapid All 15 9 0 6 9.0 60.0 85.0 1140.1 1225.1
White 8 3 0 5 3.0 37.5 -106.3 1131.2 1024.9
Black 7 6 0 1 6.0 85.7 303.6 1150.3 1453.9
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 108076459 Molefinyane, O (Otlotleng) 4 4.0 4 0 0 100.0 978.7 425.0 1403.7 View list
2 108069885 Difotso, LR (Lebogang) 4 1.0 1 0 3 25.0 1233.3 -212.5 1020.8 View list
3 207093301 Jansen, D (Danel) 3 2.0 2 0 1 66.7 849.4 141.7 991.0 View list
4 2080097769 Britz, D (Danielle) 2 2.0 2 0 0 100.0 754.2 425.0 1179.2 View list
5 108060101 Fourie, NP (Nathan Paul) 2 2.0 2 0 0 100.0 1126.6 425.0 1551.6 View list
6 109076051 Jordaan, D (Donovan) 2 2.0 2 0 0 100.0 819.0 425.0 1244.0 View list
7 109075156 Wolmarans, CH (Cornelius) 2 2.0 2 0 0 100.0 1231.7 425.0 1656.7 View list
8 109088223 Mulder, SL (Stephanus) 2 1.5 1 1 0 75.0 1015.1 212.5 1227.6 View list
9 108078407 De Klerk, AJ (Abraham Jacobus) 2 1.0 1 0 1 50.0 938.1 0.0 938.1 View list
10 109083250 Byliefeldt, L (Leroux) 2 1.0 1 0 1 50.0 1015.1 0.0 1015.1 View list
11 109083234 Marx, HB (Heinrich) 2 1.0 1 0 1 50.0 696.2 0.0 696.2 View list
12 108087753 Matebula, A (Asante) 2 1.0 1 0 1 50.0 884.7 0.0 884.7 View list
13 108087734 Mostert, GS (Gideon) 2 1.0 1 0 1 50.0 1235.0 0.0 1235.0 View list
14 108068833 Sera, G (Galaletsang) 2 1.0 1 0 1 50.0 1135.8 0.0 1135.8 View list
15 107064899 Goliath, BB (Brimarion) 2 0.0 0 0 2 0.0 1148.1 -425.0 723.1 View list
16 208056552 Ras, ME (Marise) 2 0.0 0 0 2 0.0 942.7 -425.0 517.7 View list
17 107064903 Smit, D (Dian) 2 0.0 0 0 2 0.0 843.5 -425.0 418.5 View list
18 208075126 Van Zyl, M (Mischka) 2 0.0 0 0 2 0.0 851.2 -425.0 426.2 View list
19 109081477 Bezuidenhout, N (Nathan) 1 1.0 1 0 0 100.0 662.7 425.0 1087.7 View list
20 1100099556 Bantseke, B (Boikanyo) 1 1.0 1 0 0 100.0 662.7 425.0 1087.7 View list