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: 2024/05/11 (8 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 rating1355.5
Curent Weighted rating1333.4
Curent Weighted performance1295.1
Current official/published rating (highest between Raw, WR and WP)1355.5
Current floor (min rating allowed)864.6
Current highest rating achieved1364.6
Current K-factor36
Games played this month14
Score (S)9.5
Expected score (We)8.33
Difference (S-We)1.17
Current Raw change (no limits, including tournament time weight)37.4
Current min/max change allowed (with limits)±132.9
Current Raw change used (final)37.4
Projected new Raw rating1392.9
Projected new Weighed rating1340.8
Projected new Weighted performance1295.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1392.9
Projected effective change (new Official - current Official)+37.4
Projected new highest rating1392.9
Projected new floor892.9
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 rating1361.1
Curent Weighted rating1337.6
Curent Weighted performance1296.3
Current official/published rating (highest between Raw, WR and WP)1361.1
Current floor (min rating allowed)870.8
Current highest rating achieved1370.8
Current K-factor36
Games played this month14
Score (S)9.5
Expected score (We)8.48
Difference (S-We)1.02
Current Raw change (no limits, including tournament time weight)36.7
Current min/max change allowed (with limits)±131.8
Current Raw change used (final)36.7
Projected new Raw rating1397.8
Projected new Weighed rating1345.1
Projected new Weighted performance1296.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1397.8
Projected effective change (new Official - current Official)+36.7
Projected new highest rating1397.8
Projected new floor897.8
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)700.0
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 floor700.0
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 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)700.0
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 floor700.0
Projected new K-facor36
Tournaments
Tournament: 2024 Gauteng North School District Individual Championships - D1 (U9 Boys)
Start: 2024/05/11  End: 2024/05/11  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1355.5  Rating gain/loss: 23.0
Type rating: 1361.1  Rating gain/loss: 25.9
Analysis
Tournament: South African Junior Closed Chess Championship 2024 (U8 Open)
Start: 2024/04/27  End: 2024/05/01  Host: GE  Type: Standard   Time: 120  Time weight: 1.00  Rounds: 9
Games: 9  Score: 5.5
Main rating: 1355.5  Rating gain/loss: 14.4
Type rating: 1361.1  Rating gain/loss: 10.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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 24 13 4 7 15.0 62.5 106.3 1283.9 1390.1
White 13 6 2 5 7.0 53.8 32.7 1281.3 1314.0
Black 11 7 2 2 8.0 72.7 193.2 1286.9 1480.1
Standard All 24 13 4 7 15.0 62.5 106.3 1283.9 1390.1
White 13 6 2 5 7.0 53.8 32.7 1281.3 1314.0
Black 11 7 2 2 8.0 72.7 193.2 1286.9 1480.1
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 71 43 8 20 47.0 66.2 137.7 1238.8 1376.4
White 36 21 3 12 22.5 62.5 106.3 1241.5 1347.7
Black 35 22 5 8 24.5 70.0 170.0 1236.0 1406.0
Standard All 71 43 8 20 47.0 66.2 137.7 1238.8 1376.4
White 36 21 3 12 22.5 62.5 106.3 1241.5 1347.7
Black 35 22 5 8 24.5 70.0 170.0 1236.0 1406.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1160151829 Erdogan, D (Demir) 3 2.0 2 0 1 66.7 1294.9 141.7 1436.6 View list
2 1160145195 Labuschagne, P (Phillip) 3 1.0 1 0 2 33.3 1301.3 -141.7 1159.6 View list
3 1170148678 Wiechers, N (Nicolaas) 3 1.0 1 0 2 33.3 1277.6 -141.7 1135.9 View list
4 1160157412 De Klerk, A (Amelia) 2 2.0 2 0 0 100.0 1327.8 425.0 1752.8 View list
5 2160159597 Rampersadh, M (Micah) 2 2.0 2 0 0 100.0 1316.0 425.0 1741.0 View list
6 1160148677 Roos, B (Benjamin) 2 2.0 2 0 0 100.0 1325.9 425.0 1750.9 View list
7 1170149169 Barkhuizen, R (Reuben) 2 1.5 1 1 0 75.0 1300.2 212.5 1512.7 View list
8 1150147655 Alberts, E (Enrico) 2 1.0 1 0 1 50.0 1294.0 0.0 1294.0 View list
9 1160148708 Venter, J (Jaco) 2 1.0 1 0 1 50.0 1360.0 0.0 1360.0 View list
10 1160153451 Fredericks, M (Matai) 2 0.0 0 0 2 0.0 1335.8 -425.0 910.8 View list
11 2160143809 Gerber, Z (Zoe) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 1160152443 Celliers, M (Morgan) 1 1.0 1 0 0 100.0 1355.5 425.0 1780.5 View list
13 1170145156 Botha, E (Erasmus Albertus) 1 1.0 1 0 0 100.0 1284.4 425.0 1709.4 View list
14 2140149175 Boshoff, M (Milah) 1 1.0 1 0 0 100.0 1339.6 425.0 1764.6 View list
15 1160138298 Beldon, D (Daniel) 1 1.0 1 0 0 100.0 1284.4 425.0 1709.4 View list
16 1150304358 Barnes, D (Derek) 1 1.0 1 0 0 100.0 1355.5 425.0 1780.5 View list
17 1170143024 Ebersohn, C (Christiaan) 1 1.0 1 0 0 100.0 1335.8 425.0 1760.8 View list
18 1150147659 Du Toit, W (Wilco) 1 1.0 1 0 0 100.0 1339.6 425.0 1764.6 View list
19 1160159686 Du Preez, E (Erich) 1 1.0 1 0 0 100.0 1316.0 425.0 1741.0 View list
20 2150147100 Dixon, G (Genevieve) 1 1.0 1 0 0 100.0 1303.2 425.0 1728.2 View list