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: 2024/05/11 (15 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 rating1267.3
Curent Weighted rating1253.8
Curent Weighted performance1204.9
Current official/published rating (highest between Raw, WR and WP)1267.3
Current floor (min rating allowed)802.0
Current highest rating achieved1302.0
Current K-factor36
Games played this month5
Score (S)4.0
Expected score (We)2.72
Difference (S-We)1.28
Current Raw change (no limits, including tournament time weight)38.2
Current min/max change allowed (with limits)±150.7
Current Raw change used (final)38.2
Projected new Raw rating1305.5
Projected new Weighed rating1260.8
Projected new Weighted performance1204.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1305.5
Projected effective change (new Official - current Official)+38.2
Projected new highest rating1305.5
Projected new floor805.5
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 rating1267.6
Curent Weighted rating1252.8
Curent Weighted performance1206.1
Current official/published rating (highest between Raw, WR and WP)1267.6
Current floor (min rating allowed)796.3
Current highest rating achieved1296.3
Current K-factor36
Games played this month5
Score (S)4.0
Expected score (We)2.76
Difference (S-We)1.24
Current Raw change (no limits, including tournament time weight)44.6
Current min/max change allowed (with limits)±150.6
Current Raw change used (final)44.6
Projected new Raw rating1312.2
Projected new Weighed rating1260.5
Projected new Weighted performance1206.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1312.2
Projected effective change (new Official - current Official)+44.6
Projected new highest rating1312.2
Projected new floor812.2
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 rating1061.2
Curent Weighted rating1091.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1091.7
Current floor (min rating allowed)700.0
Current highest rating achieved1061.2
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 rating1086.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1086.6
Projected effective change (new Official - current Official)-5.1
Projected new highest rating1061.2
Projected new floor700.0
Projected new K-facor40
Tournaments
Tournament: 2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed)
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: 1267.3  Rating gain/loss: 38.2
Type rating: 1267.6  Rating gain/loss: 44.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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
15 Laerskool Constantiapark Open Chess Tournament 2023 (U12) 2023/02/18 2023/02/18 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1258.7 1254.6 Analysis
14 2023 Tshwane Chess Open Registration Tournament (D1) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1176.8 1178.8 Analysis
13 2022 South African Junior Team Chess Championships (U10 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 4.0 1091.2 1092.8 Analysis
12 Lardies Tournament 2022 (U10) 2022/10/29 2022/10/29 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1041.1 1032.4 Analysis
11 2022 Etienne Lewis (U10 Open) 2022/09/02 2022/09/04 Tshwane (GTP) Standard 90 0.94 7 7 2.0 1050.9 1040.0 Analysis
10 2022 Alekhine Open (D) 2022/08/13 2022/08/14 Tshwane (GTP) Standard 90 0.94 5 5 1.0 1104.7 1099.6 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 30 18 0 12 18.0 60.0 85.0 1212.1 1297.1
White 15 11 0 4 11.0 73.3 198.3 1210.2 1408.6
Black 15 7 0 8 7.0 46.7 -28.3 1213.9 1185.6
Standard All 30 18 0 12 18.0 60.0 85.0 1212.1 1297.1
White 15 11 0 4 11.0 73.3 198.3 1210.2 1408.6
Black 15 7 0 8 7.0 46.7 -28.3 1213.9 1185.6
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 152 72 5 75 74.5 49.0 -8.4 1208.0 1199.6
White 76 38 2 36 39.0 51.3 11.2 1193.1 1204.3
Black 76 34 3 39 35.5 46.7 -28.0 1222.8 1194.8
Standard All 145 71 5 69 73.5 50.7 5.9 1201.8 1207.6
White 73 37 2 34 38.0 52.1 17.5 1190.1 1207.5
Black 72 34 3 35 35.5 49.3 -5.9 1213.6 1207.7
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 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 1130135737 Olivier, F (Frederik) 3 0.5 0 1 2 16.7 1190.6 -283.3 907.3 View list
5 1130134053 Roos, E (Ewan) 3 0.0 0 0 3 0.0 1160.4 -425.0 735.4 View list
6 1120134047 Engelbrecht, E (Eben) 2 2.0 2 0 0 100.0 1210.6 425.0 1635.6 View list
7 1130159606 Kriel, J (Johan) 2 2.0 2 0 0 100.0 1272.7 425.0 1697.7 View list
8 1110139984 Le Roux, R (Reuben) 2 2.0 2 0 0 100.0 1302.0 425.0 1727.0 View list
9 1140137418 Van Der Wath, L (Logan) 2 2.0 2 0 0 100.0 1046.0 425.0 1471.0 View list
10 1130112336 Pieters, H (Hanroux) 2 1.5 1 1 0 75.0 1113.8 212.5 1326.3 View list
11 1120134046 De Jager, K (Konrad) 2 1.0 1 0 1 50.0 1284.5 0.0 1284.5 View list
12 1130119626 Ndebele, AT (Akhumzi Thandolwenkosi) 2 1.0 1 0 1 50.0 1113.8 0.0 1113.8 View list
13 1150152286 Rahlaga, K (Kaelo Alupheli) 2 1.0 1 0 1 50.0 1275.3 0.0 1275.3 View list
14 1130136645 Truscott, A (Adriaan) 2 1.0 1 0 1 50.0 1177.3 0.0 1177.3 View list
15 1120154168 Van Loggerenberg, N (Nathan) 2 0.5 0 1 1 25.0 1236.1 -212.5 1023.6 View list
16 1140134237 Barkhuizen, SJ (Simon Jurgens) 2 0.0 0 0 2 0.0 1175.3 -425.0 750.3 View list
17 1120133904 Fokker, CD (Christiaan Dirk) 2 0.0 0 0 2 0.0 1269.9 -425.0 844.9 View list
18 1100157389 Janse Van Rensburg, A (Andreas) 2 0.0 0 0 2 0.0 1251.2 -425.0 826.2 View list
19 1130108354 Jansen Van Vuuren, G (Gianni) 2 0.0 0 0 2 0.0 1150.9 -425.0 725.9 View list
20 1120134052 Redelinghuys, R (Ruben) 2 0.0 0 0 2 0.0 1152.3 -425.0 727.3 View list