Player Page

Wiehahn, L (Luke)
Dob: 2016/02/27 (U10)
Gender: Male
Chess SA id: 1160148081
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (38 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 rating1406.2
Current Weighted rating1344.7
Current Weighted performance1387.3
Current official/published rating (highest between Raw, WR and WP)1406.2
Current highest rating achieved1406.2
Current floor (min rating allowed)906.2
Current K-factor32
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)±123.6
Current Raw change used (final)0.0
Projected new Raw rating1406.2
Projected new Weighed rating1238.3
Projected new Weighted performance1387.3
Projected new final Raw rating (if new WP > new Raw)1406.2
Projected new highest rating1406.2
Projected new floor906.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1406.2
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 rating1418.9
Current Weighted rating1350.9
Current Weighted performance1387.3
Current official/published rating (highest between Raw, WR and WP)1418.9
Current highest rating achieved1418.9
Current floor (min rating allowed)918.9
Current K-factor32
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)±121.4
Current Raw change used (final)0.0
Projected new Raw rating1418.9
Projected new Weighed rating1244.1
Projected new Weighted performance1387.3
Projected new final Raw rating (if new WP > new Raw)1418.9
Projected new highest rating1418.9
Projected new floor918.9
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1418.9
Projected effective change (new Official - current Official)=0.0
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 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
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
9 2024 Etienne Lewis (U10) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.5 1365.9 1381.1 Analysis
8 2024 Alekhine Open Chess Tournament (U10) 2024/08/09 2024/08/09 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1266.9 1272.7 Analysis
7 D1 Gauteng North District School Closed 2024 (U9) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1266.9 1272.7 Analysis
6 2024 African Youth Chess Championship 2024/06/16 2024/06/22 South Africa (RSA) Standard 120 1.00 9 9 4.0 1392.9 1397.8 Analysis
5 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1392.9 1397.8 Analysis
4 2024 Gauteng North School District Individual Championships - D1 (U9 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1355.5 1361.1 Analysis
3 South African Junior Closed Chess Championship 2024 (U8 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 5.5 1355.5 1361.1 Analysis
2 2024 Tshwane Chess AHS Open Chess Tournament (E) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1335.8 1339.1 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U8) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1364.6 1370.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
18 2024 Etienne Lewis (U10) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.5 1365.9 1381.1 Analysis
17 2024 Alekhine Open Chess Tournament (U10) 2024/08/09 2024/08/09 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1266.9 1272.7 Analysis
16 D1 Gauteng North District School Closed 2024 (U9) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1266.9 1272.7 Analysis
15 2024 African Youth Chess Championship 2024/06/16 2024/06/22 South Africa (RSA) Standard 120 1.00 9 9 4.0 1392.9 1397.8 Analysis
14 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1392.9 1397.8 Analysis
13 2024 Gauteng North School District Individual Championships - D1 (U9 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1355.5 1361.1 Analysis
12 South African Junior Closed Chess Championship 2024 (U8 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 5.5 1355.5 1361.1 Analysis
11 2024 Tshwane Chess AHS Open Chess Tournament (E) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1335.8 1339.1 Analysis
10 2024 Gauteng Inter-Region Chess Championship (U8) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1364.6 1370.8 Analysis
9 2023 Etienne Lewis Closed Tournament (U8) 2023/08/26 2023/08/26 Tshwane (GTP) Standard 90 0.94 6 6 4.0 1316.0 1310.7 Analysis
8 2023 Jacaranda Round Robin (U8) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1316.0 1310.7 Analysis
7 2023 Elize Steenkamp Open Tournament (E) 2023/06/16 2023/06/16 Tshwane (GTP) Standard 90 0.94 6 6 4.0 1339.6 1339.9 Analysis
6 Wynie Robbertse Open Tournament 2023 (E) 2023/06/03 2023/06/03 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1339.6 1339.9 Analysis
5 2023 Milos Ristic Open Tournament (F) 2023/04/27 2023/04/27 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1284.4 1290.8 Analysis
4 Silver Lakes Open Chess Tournament (F) 2023/04/15 2023/04/15 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1284.4 1290.8 Analysis
3 2023 Afrikaans Hoër Seunskool Open Chess Tournament (E) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1303.2 1316.4 Analysis
2 2023 Tshwane Chess Open Registration Tournament (F) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1232.4 1230.0 Analysis
1 2022 South African Junior Team Chess Championships (U8 Open+Girls) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 55 30 8 17 34.0 61.8 100.5 1234.8 1335.3
White 29 13 5 11 15.5 53.4 29.3 1233.8 1263.1
Black 26 17 3 6 18.5 71.2 179.8 1236.0 1415.8
Standard All 55 30 8 17 34.0 61.8 100.5 1234.8 1335.3
White 29 13 5 11 15.5 53.4 29.3 1233.8 1263.1
Black 26 17 3 6 18.5 71.2 179.8 1236.0 1415.8
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 102 60 12 30 66.0 64.7 125.0 1226.0 1351.0
White 52 28 6 18 31.0 59.6 81.7 1227.2 1309.0
Black 50 32 6 12 35.0 70.0 170.0 1224.8 1394.8
Standard All 102 60 12 30 66.0 64.7 125.0 1226.0 1351.0
White 52 28 6 18 31.0 59.6 81.7 1227.2 1309.0
Black 50 32 6 12 35.0 70.0 170.0 1224.8 1394.8
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 1160148677 Roos, B (Benjamin) 3 3.0 3 0 0 100.0 1339.2 425.0 1764.2 View list
2 2160159597 Rampersadh, M (Micah) 3 2.5 2 1 0 83.3 1299.6 283.3 1583.0 View list
3 1160151829 Erdogan, D (Demir) 3 2.0 2 0 1 66.7 1294.9 141.7 1436.6 View list
4 1160145195 Labuschagne, P (Phillip) 3 1.0 1 0 2 33.3 1301.3 -141.7 1159.6 View list
5 1170148678 Wiechers, N (Nicolaas) 3 1.0 1 0 2 33.3 1277.6 -141.7 1135.9 View list
6 1160157412 De Klerk, A (Amelia) 2 2.0 2 0 0 100.0 1327.8 425.0 1752.8 View list
7 1150305143 Tukker, J (Jakus) 2 2.0 2 0 0 100.0 1316.4 425.0 1741.4 View list
8 1170149169 Barkhuizen, R (Reuben) 2 1.5 1 1 0 75.0 1300.2 212.5 1512.7 View list
9 1150147655 Alberts, E (Enrico) 2 1.0 1 0 1 50.0 1294.0 0.0 1294.0 View list
10 1160148708 Venter, J (Jaco) 2 1.0 1 0 1 50.0 1360.0 0.0 1360.0 View list
11 1160153451 Fredericks, M (Matai) 2 0.0 0 0 2 0.0 1335.8 -425.0 910.8 View list
12 1170143024 Ebersohn, C (Christiaan) 1 1.0 1 0 0 100.0 1335.8 425.0 1760.8 View list
13 1150147659 Du Toit, W (Wilco) 1 1.0 1 0 0 100.0 1339.6 425.0 1764.6 View list
14 1160159686 Du Preez, E (Erich) 1 1.0 1 0 0 100.0 1316.0 425.0 1741.0 View list
15 2150147100 Dixon, G (Genevieve) 1 1.0 1 0 0 100.0 1303.2 425.0 1728.2 View list
16 1160152443 Celliers, M (Morgan) 1 1.0 1 0 0 100.0 1355.5 425.0 1780.5 View list
17 1170145156 Botha, E (Erasmus Albertus) 1 1.0 1 0 0 100.0 1284.4 425.0 1709.4 View list
18 1190309215 Botes, L (Larochelle) 1 1.0 1 0 0 100.0 1266.9 425.0 1691.9 View list
19 2140149175 Boshoff, M (Milah) 1 1.0 1 0 0 100.0 1339.6 425.0 1764.6 View list
20 1160138298 Beldon, D (Daniel) 1 1.0 1 0 0 100.0 1284.4 425.0 1709.4 View list