Player Page

Marais, L (Luke)
Dob: 2014/02/05 (U12)
Gender: Male
Chess SA id: 1140139959
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/07/13 (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
Current Raw rating1315.3
Current Weighted rating1273.3
Current Weighted performance1306.1
Current official/published rating (highest between Raw, WR and WP)1315.3
Current highest rating achieved1315.3
Current floor (min rating allowed)815.3
Current K-factor36
Games played this month10
Score (S)3.0
Expected score (We)5.96
Difference (S-We)-2.46
Current Raw change (no limits, including tournament time weight)-88.4
Current min/max change allowed (with limits)±140.7
Current Raw change used (final)-88.4
Projected new Raw rating1226.9
Projected new Weighed rating1172.1
Projected new Weighted performance1182.2
Projected new final Raw rating (if new WP > new Raw)1226.9
Projected new highest rating1315.3
Projected new floor815.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1226.9
Projected effective change (new Official - current Official)-88.4
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 rating1312.7
Current Weighted rating1271.5
Current Weighted performance1306.1
Current official/published rating (highest between Raw, WR and WP)1312.7
Current highest rating achieved1312.7
Current floor (min rating allowed)812.7
Current K-factor36
Games played this month10
Score (S)3.0
Expected score (We)5.95
Difference (S-We)-2.95
Current Raw change (no limits, including tournament time weight)-106.2
Current min/max change allowed (with limits)±141.2
Current Raw change used (final)-106.2
Projected new Raw rating1206.5
Projected new Weighed rating1170.2
Projected new Weighted performance1182.2
Projected new final Raw rating (if new WP > new Raw)1206.5
Projected new highest rating1312.7
Projected new floor812.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1206.5
Projected effective change (new Official - current Official)-106.2
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
Tournament: Menlopark Open Chess Tournament 2024 (B)
Start: 2024/07/13  End: 2024/07/13  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 1.0
Main rating: 1315.3  Rating gain/loss: -51.7
Type rating: 1312.7  Rating gain/loss: -61.9
Analysis
Tournament: 2024 Prestige College Open Chess Tournament (D)
Start: 2024/07/06  End: 2024/07/06  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1315.3  Rating gain/loss: -36.8
Type rating: 1312.7  Rating gain/loss: -44.3
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
8 Menlopark Open Chess Tournament 2024 (B) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1315.3 1312.7 Analysis
7 2024 Prestige College Open Chess Tournament (D) 2024/07/06 2024/07/06 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1315.3 1312.7 Analysis
6 2024 Elise Steenkamp Open Chess Tournament (Rooks) 2024/06/15 2024/06/15 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1250.1 1244.5 Analysis
5 District 3 Cluster 4 and 5 Individuals 2024 (U11 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1247.1 1239.8 Analysis
4 2024 Silver Lakes Open Chess Tournament (D3) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1248.0 1238.7 Analysis
3 2024 Lubowski Open Chess Tournament (D2) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 2.5 1282.6 1276.1 Analysis
2 2024 Chris Greyling Open Chess Tournament (D2) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1282.6 1276.1 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U10A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1277.5 1269.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 Menlopark Open Chess Tournament 2024 (B) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1315.3 1312.7 Analysis
16 2024 Prestige College Open Chess Tournament (D) 2024/07/06 2024/07/06 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1315.3 1312.7 Analysis
15 2024 Elise Steenkamp Open Chess Tournament (Rooks) 2024/06/15 2024/06/15 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1250.1 1244.5 Analysis
14 District 3 Cluster 4 and 5 Individuals 2024 (U11 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1247.1 1239.8 Analysis
13 2024 Silver Lakes Open Chess Tournament (D3) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1248.0 1238.7 Analysis
12 2024 Lubowski Open Chess Tournament (D2) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 2.5 1282.6 1276.1 Analysis
11 2024 Chris Greyling Open Chess Tournament (D2) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1282.6 1276.1 Analysis
10 2024 Gauteng Inter-Region Chess Championship (U10A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1277.5 1269.3 Analysis
9 Lardies Open Tournament 2023 (D2) 2023/10/28 2023/10/28 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1311.0 1310.0 Analysis
8 2023 Alekhine Open Tournament (E+F) 2023/09/09 2023/09/09 Tshwane (GTP) Standard 90 0.94 5 4 3.0 1282.7 1285.9 Analysis
7 2023 Etienne Lewis Closed Tournament (U10) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1290.1 1303.2 Analysis
6 2023 Tshwane North School District CLOSED League Championships (D3) (U9) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 4 2.5 1290.1 1303.2 Analysis
5 2023 Woman's Day Open Chess Tournament (Bishop) 2023/08/09 2023/08/09 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1290.1 1303.2 Analysis
4 2023 Tshwane North School District CLOSED Individual Championships (D3) (U9 Open+Girls) 2023/05/13 2023/05/13 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1269.5 1280.5 Analysis
3 Tuks Junior Developmental Chess Tournament 2023 (Yellow) 2023/03/18 2023/03/18 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1231.9 1238.4 Analysis
2 2023 Afrikaans Hoër Seunskool Open Chess Tournament (E) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1231.9 1238.4 Analysis
1 2022 D3 Cluster City Schools (U9) 2022/04/23 2022/04/23 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 40 20 2 18 21.0 52.5 21.3 1212.9 1234.2
White 22 13 1 8 13.5 61.4 96.6 1220.2 1316.8
Black 18 7 1 10 7.5 41.7 -70.8 1204.1 1133.3
Standard All 40 20 2 18 21.0 52.5 21.3 1212.9 1234.2
White 22 13 1 8 13.5 61.4 96.6 1220.2 1316.8
Black 18 7 1 10 7.5 41.7 -70.8 1204.1 1133.3
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 85 47 5 33 49.5 58.2 70.0 1200.4 1270.4
White 43 30 2 11 31.0 72.1 187.8 1185.8 1373.6
Black 42 17 3 22 18.5 44.0 -50.6 1215.3 1164.7
Standard All 85 47 5 33 49.5 58.2 70.0 1200.4 1270.4
White 43 30 2 11 31.0 72.1 187.8 1185.8 1373.6
Black 42 17 3 22 18.5 44.0 -50.6 1215.3 1164.7
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 1150149187 Vorster, J (James) 3 3.0 3 0 0 100.0 1287.6 425.0 1712.6 View list
2 2140158377 Grobbelaar, M (Mienje) 3 0.0 0 0 3 0.0 1287.6 -425.0 862.6 View list
3 1110159699 Niehaus, L (Liam) 2 1.0 1 0 1 50.0 1296.8 0.0 1296.8 View list
4 2110105111 Webb, A (Abbygail) 2 0.0 0 0 2 0.0 1315.3 -425.0 890.3 View list
5 2150143025 Haupt, N (Nia) 1 1.0 1 0 0 100.0 1290.1 425.0 1715.1 View list
6 1170157327 Bekker, J (Jacobus) 1 1.0 1 0 0 100.0 1282.7 425.0 1707.7 View list
7 2140136638 De Beer, L (Lily) 1 1.0 1 0 0 100.0 1290.1 425.0 1715.1 View list
8 1150147657 Danzfuss, E (Edrich) 1 1.0 1 0 0 100.0 1290.1 425.0 1715.1 View list
9 1140303306 Botes, L (Luco Abraham) 1 1.0 1 0 0 100.0 1247.1 425.0 1672.1 View list
10 1140303309 Erasmus, L (Luan) 1 1.0 1 0 0 100.0 1247.1 425.0 1672.1 View list
11 1150147659 Du Toit, W (Wilco) 1 1.0 1 0 0 100.0 1250.1 425.0 1675.1 View list
12 1100302687 Du Toit, J (Janco) 1 1.0 1 0 0 100.0 1248.0 425.0 1673.0 View list
13 1160151383 Goffing, F (Floris) 1 1.0 1 0 0 100.0 1231.9 425.0 1656.9 View list
14 1150147661 Fourie, M (Marchant) 1 1.0 1 0 0 100.0 1231.9 425.0 1656.9 View list
15 2120306028 Esterhuizen, A (Alexa) 1 1.0 1 0 0 100.0 1315.3 425.0 1740.3 View list
16 1140134057 Erwee, HP (Hermanus Philipus) 1 1.0 1 0 0 100.0 1290.1 425.0 1715.1 View list
17 1160151829 Erdogan, D (Demir) 1 1.0 1 0 0 100.0 1282.6 425.0 1707.6 View list
18 1150135758 Dreyer, K (Kruger) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 1140141650 De Wit, L (Linde) 1 1.0 1 0 0 100.0 1231.9 425.0 1656.9 View list
20 1150152739 Jansen Van Vuuren, G (Griffin) 1 1.0 1 0 0 100.0 1250.1 425.0 1675.1 View list