Player Page

Van Schalkwyk, J (Jurgens)
Dob: 2010/11/16 (U16)
Gender: Male
Chess SA id: 1100111277
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (12 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 rating1296.9
Curent Weighted rating1259.2
Curent Weighted performance1280.8
Current official/published rating (highest between Raw, WR and WP)1296.9
Current floor (min rating allowed)803.5
Current highest rating achieved1303.5
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)±144.4
Current Raw change used (final)0.0
Projected new Raw rating1296.9
Projected new Weighed rating1263.6
Projected new Weighted performance1280.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1296.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1303.5
Projected new floor803.5
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 rating1288.2
Curent Weighted rating1211.6
Curent Weighted performance1287.8
Current official/published rating (highest between Raw, WR and WP)1288.2
Current floor (min rating allowed)788.2
Current highest rating achieved1288.2
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)±146.2
Current Raw change used (final)0.0
Projected new Raw rating1288.2
Projected new Weighed rating1219.0
Projected new Weighted performance1287.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1288.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1288.2
Projected new floor788.2
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 rating1273.3
Curent Weighted rating1284.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1284.8
Current floor (min rating allowed)817.2
Current highest rating achieved1317.2
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)±149.4
Current Raw change used (final)0.0
Projected new Raw rating1273.3
Projected new Weighed rating1284.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1284.3
Projected effective change (new Official - current Official)-0.5
Projected new highest rating1317.2
Projected new floor817.2
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)817.2
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 floor817.2
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Bojanala Olienpark's One For The Ages 2024 (Rooks) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 4 2.0 1303.5 1281.1 Analysis
3 Bojanala's Rating Express 2024 (Rooks) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1303.5 1281.1 Analysis
2 Bojanala Silwerrand's Rating Implosion 2024 (Rooks) 2024/03/16 2024/03/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1261.1 1208.7 Analysis
1 Schoemies' Kings & Queens 2024 (Rooks) 2024/03/02 2024/03/02 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1261.1 1208.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
24 Bojanala Olienpark's One For The Ages 2024 (Rooks) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 4 2.0 1303.5 1281.1 Analysis
23 Bojanala's Rating Express 2024 (Rooks) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1303.5 1281.1 Analysis
22 Bojanala Silwerrand's Rating Implosion 2024 (Rooks) 2024/03/16 2024/03/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1261.1 1208.7 Analysis
21 Schoemies' Kings & Queens 2024 (Rooks) 2024/03/02 2024/03/02 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1261.1 1208.7 Analysis
20 Bojanala School League 2023 (Primary School Open) 2023/08/19 2023/08/19 Bojanala Platina (NBR) Rapid 40 0.70 5 5 2.0 1268.2 1317.2 Analysis
19 Olienpark - 2nd One for the Ages 2023 (U14) 2023/05/13 2023/05/13 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 1192.4 1145.3 Analysis
18 Grenswag's Community Battle 2023 (Rooks) 2023/04/22 2023/04/22 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.5 1222.9 1170.5 Analysis
17 Nories Make It Happen 2023 (Rooks) 2023/03/04 2023/03/04 Bojanala Platina (NBR) Standard 62 0.84 5 5 1.5 1240.4 1179.5 Analysis
16 Harties Wolf Pack 2023 (Rooks) 2023/01/21 2023/01/21 Bojanala Platina (NBR) Standard 62 0.84 5 5 2.0 1244.9 1169.1 Analysis
15 Super 8 Skaak 2022 (Seniors) 2022/10/14 2022/10/14 Bojanala Platina (NBR) Rapid 30 0.60 7 6 6.0 1174.1 1200.0 Analysis
14 Bojanala Chess Federation Clash of Schools 2022 (PS Championship) 2022/07/22 2022/07/22 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1149.6 1139.2 Analysis
13 RHS Know Thyself 2022 (B) 2022/04/23 2022/04/23 Bojanala Platina (NBR) Standard 62 0.84 5 4 0.0 1203.4 1204.0 Analysis
12 Back to the Board 2021 (U12) 2021/04/17 2021/04/17 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1164.9 1158.0 Analysis
11 Hoerskool Brits Toernooi 2020 (U12) 2020/03/14 2020/03/14 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1140.6 1132.8 Analysis
10 Laerskool Proteapark 2020 (D) 2020/02/29 2020/02/29 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1120.3 1108.0 Analysis
9 2019 South African Junior Team Championships (U10D) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 6 4.0 1057.9 1040.4 Analysis
8 Inter Region 2019 (U10 Open) 2019/10/19 2019/10/19 Bojanala Platina (NBR) Standard 60 0.83 5 5 0.0 1075.5 1058.4 Analysis
7 NW Open 2019 (U10) 2019/10/12 2019/10/12 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1075.5 1058.4 Analysis
6 Laerskool Brits 2019 (U10) 2019/08/31 2019/08/31 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1041.6 1012.4 Analysis
5 Laerskool Rustenburg 2019 (U10) 2019/08/17 2019/08/17 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1041.6 1012.4 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 19 9 2 8 10.0 52.6 22.4 1318.7 1341.0
White 11 7 2 2 8.0 72.7 193.2 1287.4 1480.6
Black 8 2 0 6 2.0 25.0 -212.5 1361.7 1149.2
Standard All 19 9 2 8 10.0 52.6 22.4 1318.7 1341.0
White 11 7 2 2 8.0 72.7 193.2 1287.4 1480.6
Black 8 2 0 6 2.0 25.0 -212.5 1361.7 1149.2
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 120 55 6 59 58.0 48.3 -14.2 1197.7 1183.5
White 63 30 5 28 32.5 51.6 13.5 1191.6 1205.0
Black 57 25 1 31 25.5 44.7 -44.7 1204.5 1159.8
Standard All 109 47 6 56 50.0 45.9 -35.1 1192.1 1157.0
White 58 26 5 27 28.5 49.1 -7.3 1187.9 1180.5
Black 51 21 1 29 21.5 42.2 -66.7 1197.0 1130.3
Rapid All 11 8 0 3 8.0 72.7 193.2 1252.9 1446.1
White 5 4 0 1 4.0 80.0 255.0 1234.3 1489.3
Black 6 4 0 2 4.0 66.7 141.7 1268.5 1410.1
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 110093302 Morkel, DJ (Douglas) 6 1.0 1 0 5 16.7 1165.6 -283.3 882.3 View list
2 1100099556 Bantseke, B (Boikanyo) 5 2.0 2 0 3 40.0 1139.5 -85.0 1054.5 View list
3 210087760 Jansen Van Vuuren, L (Lourein) 4 2.0 2 0 2 50.0 1141.3 0.0 1141.3 View list
4 1110140059 Tshetlhe, B (Blessing) 3 2.0 2 0 1 66.7 1165.1 141.7 1306.8 View list
5 111092671 Van Der Berg, KW (Kai) 3 1.0 1 0 2 33.3 1161.8 -141.7 1020.1 View list
6 210086178 Schoeman, V (Vinessa) 2 2.0 2 0 0 100.0 1072.0 425.0 1497.0 View list
7 1100157690 Tshidi, T (Tshegofatso) 2 1.5 1 1 0 75.0 1282.3 212.5 1494.8 View list
8 209078411 Janse Van Rensburg, AM (Adriana) 2 1.0 1 0 1 50.0 1222.0 0.0 1222.0 View list
9 1100148730 Nkabinde, L (Lwazi) 2 1.0 1 0 1 50.0 1282.3 0.0 1282.3 View list
10 1100109067 Mostert, PJ (Pieter) 2 0.5 0 1 1 25.0 1117.0 -212.5 904.5 View list
11 1110106305 Gouws, J (Justin) 2 0.0 0 0 2 0.0 1089.0 -425.0 664.0 View list
12 111089655 Guneliev, AA (Adriaan) 2 0.0 0 0 2 0.0 1069.0 -425.0 644.0 View list
13 210086572 Molefinyane, O (Omatla) 2 0.0 0 0 2 0.0 1072.0 -425.0 647.0 View list
14 1110097777 Britz, JD (Jakobus) 1 1.0 1 0 0 100.0 1164.9 425.0 1589.9 View list
15 2100103485 Fernandes, A (Alischke) 1 1.0 1 0 0 100.0 1057.9 425.0 1482.9 View list
16 210090620 Goliath, E (Eugeney) 1 1.0 1 0 0 100.0 1057.9 425.0 1482.9 View list
17 1110112983 Gatsi, D (Darnel) 1 1.0 1 0 0 100.0 1075.5 425.0 1500.5 View list
18 1130131230 Changara, A (Alvis Tafadzwa) 1 1.0 1 0 0 100.0 1268.2 425.0 1693.2 View list
19 1130131229 Changara, A (Alvern Takura) 1 1.0 1 0 0 100.0 1261.1 425.0 1686.1 View list
20 1100100432 Bosch, O (Ockert) 1 1.0 1 0 0 100.0 1303.5 425.0 1728.5 View list