Player Page

Botha, L (Logan)
Dob: 2013/04/09 (U12)
Gender: Male
Chess SA id: 1130134041
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/12/08 (4 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 rating1379.4
Current Weighted rating1304.1
Current Weighted performance1353.2
Current official/published rating (highest between Raw, WR and WP)1379.4
Current highest rating achieved1379.4
Current floor (min rating allowed)879.4
Current K-factor36
Games played this month4
Score (S)2.0
Expected score (We)2.77
Difference (S-We)-0.72
Current Raw change (no limits, including tournament time weight)-26.1
Current min/max change allowed (with limits)±128.4
Current Raw change used (final)-26.1
Projected new Raw rating1353.3
Projected new Weighed rating1201.2
Projected new Weighted performance1315.1
Projected new final Raw rating (if new WP > new Raw)1353.3
Projected new highest rating1379.4
Projected new floor879.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1353.3
Projected effective change (new Official - current Official)-26.1
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 rating1379.5
Current Weighted rating1305.2
Current Weighted performance1353.2
Current official/published rating (highest between Raw, WR and WP)1379.5
Current highest rating achieved1379.5
Current floor (min rating allowed)879.5
Current K-factor36
Games played this month4
Score (S)2.0
Expected score (We)2.78
Difference (S-We)-0.78
Current Raw change (no limits, including tournament time weight)-28.1
Current min/max change allowed (with limits)±128.4
Current Raw change used (final)-28.1
Projected new Raw rating1351.4
Projected new Weighed rating1202.3
Projected new Weighted performance1315.1
Projected new final Raw rating (if new WP > new Raw)1351.4
Projected new highest rating1379.5
Projected new floor879.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1351.4
Projected effective change (new Official - current Official)-28.1
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 rating1061.2
Current Weighted rating1065.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1065.8
Current highest rating achieved1061.2
Current floor (min rating allowed)561.2
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)±202.1
Current Raw change used (final)0.0
Projected new Raw rating1061.2
Projected new Weighed rating979.1
Projected new Weighted performance277.9
Projected new final Raw rating (if new WP > new Raw)1061.2
Projected new highest rating1061.2
Projected new floor561.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1061.2
Projected effective change (new Official - current Official)-4.6
Tournaments
Tournament: Gauteng Inter-Region at UJ 2024 (U12 Candidates)
Start: 2024/12/07  End: 2024/12/08  Host: GJM  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 4
Games: 4  Score: 2.0
Main rating: 1379.4  Rating gain/loss: -26.1
Type rating: 1379.5  Rating gain/loss: -28.1
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
12 Gauteng Inter-Region at UJ 2024 (U12 Candidates) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 4 2.0 1379.4 1379.5 Analysis
11 Lardies Ope 2024 (U12) 2024/10/26 2024/10/26 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1377.0 1377.7 Analysis
10 2024 Etienne Lewis (U12) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1315.9 1320.5 Analysis
9 Gauteng Schools Individuals Finals 2024 (U11 Boys) 2024/08/16 2024/08/16 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1315.9 1320.5 Analysis
8 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1297.1 1300.0 Analysis
7 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 1305.5 1312.2 Analysis
6 2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1267.3 1267.6 Analysis
5 2024 Lubowski Open Chess Tournament (D1) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1276.6 1274.4 Analysis
4 2024 Wynie Robbertse Chess Tournament (D2) 2024/03/02 2024/03/02 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1276.6 1274.4 Analysis
3 2024 Constantiapark Open (D1) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1279.3 1276.9 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (D1) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1284.5 1287.3 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1284.5 1287.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
35 Gauteng Inter-Region at UJ 2024 (U12 Candidates) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 4 2.0 1379.4 1379.5 Analysis
34 Lardies Ope 2024 (U12) 2024/10/26 2024/10/26 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1377.0 1377.7 Analysis
33 2024 Etienne Lewis (U12) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1315.9 1320.5 Analysis
32 Gauteng Schools Individuals Finals 2024 (U11 Boys) 2024/08/16 2024/08/16 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1315.9 1320.5 Analysis
31 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1297.1 1300.0 Analysis
30 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 1305.5 1312.2 Analysis
29 2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1267.3 1267.6 Analysis
28 2024 Lubowski Open Chess Tournament (D1) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1276.6 1274.4 Analysis
27 2024 Wynie Robbertse Chess Tournament (D2) 2024/03/02 2024/03/02 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1276.6 1274.4 Analysis
26 2024 Constantiapark Open (D1) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1279.3 1276.9 Analysis
25 2024 Tshwane Chess OPEN Registration Tournament (D1) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1284.5 1287.3 Analysis
24 2024 Gauteng Inter-Region Chess Championship (U12C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1284.5 1287.3 Analysis
23 Lardies Open Tournament 2023 (D1) 2023/10/28 2023/10/28 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1266.0 1266.8 Analysis
22 2023 Etienne Lewis Closed Tournament (U12) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1263.3 1268.2 Analysis
21 2023 Tshwane South School District CLOSED League Championship (U11) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1221.2 1218.2 Analysis
20 2023 Elize Steenkamp Open Tournament (D1) 2023/06/16 2023/06/17 Tshwane (GTP) Standard 90 0.94 6 5 2.0 1236.4 1234.0 Analysis
19 2023 Tshwane Chess FIDE Rated Blitz League 1 2023/05/28 2023/05/28 Tshwane (GTP) Blitz 5 0.18 9 7 1.0 1247.6 1200.0 Analysis
18 2023 Tshwane South School District CLOSED Individual Championships (U11 Open) 2023/04/22 2023/04/22 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1250.9 1235.1 Analysis
17 Chris Greyling Open Tournament 2023 (D2) 2023/03/21 2023/03/21 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1302.0 1296.3 Analysis
16 2023 Afrikaans Hoër Seunskool Open Chess Tournament (D2) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1302.0 1296.3 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 61 34 2 25 35.0 57.4 62.7 1267.8 1330.5
White 29 18 1 10 18.5 63.8 117.2 1266.5 1383.7
Black 32 16 1 15 16.5 51.6 13.3 1269.0 1282.3
Standard All 61 34 2 25 35.0 57.4 62.7 1267.8 1330.5
White 29 18 1 10 18.5 63.8 117.2 1266.5 1383.7
Black 32 16 1 15 16.5 51.6 13.3 1269.0 1282.3
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 183 88 7 88 91.5 50.0 0.0 1227.2 1227.2
White 90 45 3 42 46.5 51.7 14.2 1213.9 1228.1
Black 93 43 4 46 45.0 48.4 -13.7 1240.1 1226.4
Standard All 176 87 7 82 90.5 51.4 12.1 1222.9 1235.0
White 87 44 3 40 45.5 52.3 19.5 1212.1 1231.6
Black 89 43 4 42 45.0 50.6 4.8 1233.5 1238.2
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 7 1 0 6 1.0 14.3 -303.6 1336.7 1033.1
White 3 1 0 2 1.0 33.3 -141.7 1267.5 1125.8
Black 4 0 0 4 0.0 0.0 -425.0 1388.5 963.5
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1130136642 Ottermann, E (Erik) 5 3.0 3 0 2 60.0 1162.2 85.0 1247.2 View list
2 2120138294 Swanepoel, L (Leja) 3 1.5 1 1 1 50.0 1172.6 0.0 1172.6 View list
3 1090116742 Baloyi, B (Boikanyo) 3 1.0 1 0 2 33.3 1182.2 -141.7 1040.5 View list
4 1130134055 Swart, J (Jevan) 3 1.0 1 0 2 33.3 1210.1 -141.7 1068.4 View list
5 1130135737 Olivier, F (Frederik) 3 0.5 0 1 2 16.7 1190.6 -283.3 907.3 View list
6 1140134237 Barkhuizen, SJ (Simon Jurgens) 3 0.0 0 0 3 0.0 1242.5 -425.0 817.5 View list
7 1130134053 Roos, E (Ewan) 3 0.0 0 0 3 0.0 1160.4 -425.0 735.4 View list
8 1120134047 Engelbrecht, E (Eben) 2 2.0 2 0 0 100.0 1210.6 425.0 1635.6 View list
9 1130159606 Kriel, J (Johan) 2 2.0 2 0 0 100.0 1272.7 425.0 1697.7 View list
10 1110139984 Le Roux, R (Reuben) 2 2.0 2 0 0 100.0 1302.0 425.0 1727.0 View list
11 1140134245 Van Der Merwe, ZC (Zander Christiaan) 2 2.0 2 0 0 100.0 1306.5 425.0 1731.5 View list
12 1140137418 Van Der Wath, L (Logan) 2 2.0 2 0 0 100.0 1046.0 425.0 1471.0 View list
13 1130112336 Pieters, H (Hanroux) 2 1.5 1 1 0 75.0 1113.8 212.5 1326.3 View list
14 1120143038 Boshoff, R (Reinhardt) 2 1.0 1 0 1 50.0 1284.4 0.0 1284.4 View list
15 1120134046 De Jager, K (Konrad) 2 1.0 1 0 1 50.0 1284.5 0.0 1284.5 View list
16 1140135082 Janse Van Rensburg, J (Josh) 2 1.0 1 0 1 50.0 1315.9 0.0 1315.9 View list
17 1130119626 Ndebele, AT (Akhumzi Thandolwenkosi) 2 1.0 1 0 1 50.0 1113.8 0.0 1113.8 View list
18 1150152286 Rahlaga, K (Kaelo Alupheli) 2 1.0 1 0 1 50.0 1275.3 0.0 1275.3 View list
19 1130133856 Samsunder, A (Aryan) 2 1.0 1 0 1 50.0 1332.0 0.0 1332.0 View list
20 1130136645 Truscott, A (Adriaan) 2 1.0 1 0 1 50.0 1177.3 0.0 1177.3 View list