Player Page

Van Zyl, J (Juanco)
Dob: 2010/02/04 (U16)
Gender: Male
Chess SA id: 110086789
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/02/24 (120 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 rating1136.4
Current Weighted rating1141.2
Current Weighted performance668.8
Current official/published rating (highest between Raw, WR and WP)1141.2
Current highest rating achieved1268.9
Current floor (min rating allowed)768.9
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)±181.5
Current Raw change used (final)0.0
Projected new Raw rating1136.4
Projected new Weighed rating1049.9
Projected new Weighted performance668.8
Projected new final Raw rating (if new WP > new Raw)1136.4
Projected new highest rating1268.9
Projected new floor768.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1136.4
Projected effective change (new Official - current Official)-4.8
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 rating1159.0
Current Weighted rating1169.8
Current Weighted performance679.6
Current official/published rating (highest between Raw, WR and WP)1169.8
Current highest rating achieved1315.2
Current floor (min rating allowed)815.2
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)±175.8
Current Raw change used (final)0.0
Projected new Raw rating1159.0
Projected new Weighed rating1076.1
Projected new Weighted performance679.6
Projected new final Raw rating (if new WP > new Raw)1159.0
Projected new highest rating1315.2
Projected new floor815.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1159.0
Projected effective change (new Official - current Official)-10.8
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 rating1092.8
Current Weighted rating1092.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1092.8
Current highest rating achieved1164.0
Current floor (min rating allowed)664.0
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)±193.2
Current Raw change used (final)0.0
Projected new Raw rating1092.8
Projected new Weighed rating1005.4
Projected new Weighted performance189.7
Projected new final Raw rating (if new WP > new Raw)1092.8
Projected new highest rating1164.0
Projected new floor664.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1092.8
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Tshwane Chess AHS Open Chess Tournament (C1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1143.3 1174.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
13 2024 Tshwane Chess AHS Open Chess Tournament (C1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1143.3 1174.5 Analysis
12 2019 Wild Card Chess Championship (U10 Open) 2020/01/09 2020/01/12 4 Knights (4K) Standard 120 1.00 7 7 3.0 1268.9 1315.2 Analysis
11 2019 South African Junior Team Championships (U10A) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 0.0 1268.9 1315.2 Analysis
10 Capricorn Qualifying May 2019 (O10) 2019/05/18 2019/05/18 Capricorn (LCP) Standard 60 0.83 5 5 4.0 1201.7 1216.7 Analysis
9 2019 Super 12 Laerskole (Juniors) 2019/05/04 2019/05/04 Tshwane (GTP) Rapid 30 0.60 5 5 2.0 1201.7 1164.0 Analysis
8 Capricorn Qualifying April 2019 (O10) 2019/04/13 2019/04/13 Capricorn (LCP) Standard 60 0.83 5 5 4.0 1105.8 1130.4 Analysis
7 Capricorn Qualifying 2019 (O10) 2019/02/16 2019/02/16 Capricorn (LCP) Standard 60 0.83 5 5 5.0 979.3 977.2 Analysis
6 South African Junior Team Championships 2018 (U10B) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 2.0 1056.9 1058.8 Analysis
5 2018 Swartkop Open (D) 2018/06/23 2018/06/23 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1135.6 1164.0 Analysis
4 2018 Super 12 (Junior) 2018/05/05 2018/05/05 Tshwane (GTP) Rapid 30 0.60 5 5 3.0 1145.4 1200.0 Analysis
3 Capricorn Qualifying 10 Maart 2018 (U10) 2018/03/10 2018/03/10 Capricorn (LCP) Standard 60 0.83 5 5 3.5 1106.6 1120.0 Analysis
2 Capricorn Qualifying 10 Feb 2018 (U10) 2018/02/10 2018/02/10 Capricorn (LCP) Standard 60 0.83 5 5 4.0 1041.2 1041.2 Analysis
1 South African Junior Wildcard Championships 2017 (U8 Open) 2018/01/09 2018/01/12 4 Knights (4K) Standard 120 1.00 7 6 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 1 0 4 1.0 20.0 -255.0 1368.5 1113.5
White 3 1 0 2 1.0 33.3 -141.7 1368.0 1226.4
Black 2 0 0 2 0.0 0.0 -425.0 1369.3 944.3
Standard All 5 1 0 4 1.0 20.0 -255.0 1368.5 1113.5
White 3 1 0 2 1.0 33.3 -141.7 1368.0 1226.4
Black 2 0 0 2 0.0 0.0 -425.0 1369.3 944.3
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 72 34 1 37 34.5 47.9 -17.7 1114.4 1096.7
White 34 14 1 19 14.5 42.6 -62.5 1123.7 1061.2
Black 38 20 0 18 20.0 52.6 22.4 1106.2 1128.6
Standard All 62 29 1 32 29.5 47.6 -20.6 1124.0 1103.4
White 28 11 1 16 11.5 41.1 -75.9 1146.7 1070.8
Black 34 18 0 16 18.0 52.9 25.0 1105.3 1130.3
Rapid All 10 5 0 5 5.0 50.0 0.0 1055.2 1055.2
White 6 3 0 3 3.0 50.0 0.0 1016.5 1016.5
Black 4 2 0 2 2.0 50.0 0.0 1113.3 1113.3
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 1110096827 Sebetola, TJ (Tumelo) 3 3.0 3 0 0 100.0 1063.9 425.0 1488.9 View list
2 110086792 Mogashoa, MR (Mahlonamela) 2 1.0 1 0 1 50.0 1090.5 0.0 1090.5 View list
3 109076930 Els, R (Regardt) 2 0.0 0 0 2 0.0 1073.9 -425.0 648.9 View list
4 110095325 Lourens, J (Jurgen) 2 0.0 0 0 2 0.0 1168.7 -425.0 743.7 View list
5 1080101066 Human, W (Wp) 1 1.0 1 0 0 100.0 1145.4 425.0 1570.4 View list
6 110094192 Griesel, J (Johanco) 1 1.0 1 0 0 100.0 1268.9 425.0 1693.9 View list
7 112089895 Govender, P (Pranau) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1100109953 Gouws, L (Lourens) 1 1.0 1 0 0 100.0 979.3 425.0 1404.3 View list
9 1090096811 Joubert, D (Dewald) 1 1.0 1 0 0 100.0 1041.2 425.0 1466.2 View list
10 1130108354 Jansen Van Vuuren, G (Gianni) 1 1.0 1 0 0 100.0 1143.3 425.0 1568.3 View list
11 210076312 August, S (Siyolise) 1 1.0 1 0 0 100.0 1056.9 425.0 1481.9 View list
12 110086791 Dikgale, MJ (Mogale) 1 1.0 1 0 0 100.0 1105.8 425.0 1530.8 View list
13 1100105315 Dafel, H (Henning) 1 1.0 1 0 0 100.0 979.3 425.0 1404.3 View list
14 110091709 Botes, E (Evan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 1100096830 Lombard, D (Dylan) 1 1.0 1 0 0 100.0 1041.2 425.0 1466.2 View list
16 1110096819 Louw, I (Ignis) 1 1.0 1 0 0 100.0 1106.6 425.0 1531.6 View list
17 2110098317 Maela, C (Charlizeane) 1 1.0 1 0 0 100.0 1106.6 425.0 1531.6 View list
18 1100109963 Makgoba, K (Kagiso) 1 1.0 1 0 0 100.0 979.3 425.0 1404.3 View list
19 1100116089 Malahlela, KF (Mphela) 1 1.0 1 0 0 100.0 1105.8 425.0 1530.8 View list
20 2110116088 Mehlape, O (Oratilwe) 1 1.0 1 0 0 100.0 1201.7 425.0 1626.7 View list