Player Page

Botha, E (Erasmus Albertus)
Dob: 2017/06/24 (U8)
Gender: Male
Chess SA id: 1170145156
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2024/05/01 (17 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 rating1283.2
Curent Weighted rating1236.9
Curent Weighted performance1275.6
Current official/published rating (highest between Raw, WR and WP)1283.2
Current floor (min rating allowed)917.6
Current highest rating achieved1417.6
Current K-factor32
Games played this month9
Score (S)0.0
Expected score (We)4.17
Difference (S-We)-4.17
Current Raw change (no limits, including tournament time weight)-133.4
Current min/max change allowed (with limits)±147.3
Current Raw change used (final)-133.4
Projected new Raw rating1149.8
Projected new Weighed rating1231.0
Projected new Weighted performance1275.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1275.6
Projected effective change (new Official - current Official)-7.6
Projected new highest rating1417.6
Projected new floor917.6
Projected new K-facor32
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 rating1281.6
Curent Weighted rating1239.8
Curent Weighted performance1274.0
Current official/published rating (highest between Raw, WR and WP)1281.6
Current floor (min rating allowed)913.4
Current highest rating achieved1413.4
Current K-factor32
Games played this month9
Score (S)0.0
Expected score (We)4.17
Difference (S-We)-4.17
Current Raw change (no limits, including tournament time weight)-133.4
Current min/max change allowed (with limits)±147.6
Current Raw change used (final)-133.4
Projected new Raw rating1148.2
Projected new Weighed rating1233.6
Projected new Weighted performance1274.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1274.0
Projected effective change (new Official - current Official)-7.6
Projected new highest rating1413.4
Projected new floor913.4
Projected new K-facor32
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 rating1160.0
Curent Weighted rating1174.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1174.0
Current floor (min rating allowed)660.0
Current highest rating achieved1160.0
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)±175.5
Current Raw change used (final)0.0
Projected new Raw rating1160.0
Projected new Weighed rating1172.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1172.1
Projected effective change (new Official - current Official)-1.9
Projected new highest rating1160.0
Projected new floor660.0
Projected new K-facor40
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)660.0
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 floor660.0
Projected new K-facor36
Tournaments
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: 0.0
Main rating: 1283.2  Rating gain/loss: -133.4
Type rating: 1281.6  Rating gain/loss: -133.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 South African Junior Closed Chess Championship 2024 (U8 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 0.0 1283.2 1281.6 Analysis
5 Bojanala Olienpark's One For The Ages 2024 (Big Pawns) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 1168.8 1158.1 Analysis
4 Bojanala's Rating Express 2024 (Big Pawns) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 7 6 4.0 1168.8 1158.1 Analysis
3 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) 2024/03/16 2024/03/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1188.2 1181.8 Analysis
2 Bojanala Closed Chess Championships Finals 2024 (U8) 2024/02/09 2024/02/11 Bojanala Platina (NBR) Standard 120 1.00 5 5 2.0 1199.1 1194.0 Analysis
1 Bojanala Closed Chess Championships Stage 1 2024 (U8) 2024/01/27 2024/01/27 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1198.0 1195.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
22 South African Junior Closed Chess Championship 2024 (U8 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 0.0 1283.2 1281.6 Analysis
21 Bojanala Olienpark's One For The Ages 2024 (Big Pawns) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 1168.8 1158.1 Analysis
20 Bojanala's Rating Express 2024 (Big Pawns) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 7 6 4.0 1168.8 1158.1 Analysis
19 Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns) 2024/03/16 2024/03/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1188.2 1181.8 Analysis
18 Bojanala Closed Chess Championships Finals 2024 (U8) 2024/02/09 2024/02/11 Bojanala Platina (NBR) Standard 120 1.00 5 5 2.0 1199.1 1194.0 Analysis
17 Bojanala Closed Chess Championships Stage 1 2024 (U8) 2024/01/27 2024/01/27 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1198.0 1195.3 Analysis
16 2023 Cross Border Chess Championships Gaborone vs Bojanala 2023/12/14 2023/12/14 Botswana (BOT) Standard 65 0.85 9 8 2.0 1265.5 1285.8 Analysis
15 Bojanala's Merry ChessMas 2023 (Little Pawns) 2023/12/09 2023/12/09 Bojanala Platina (NBR) Standard 60 0.83 5 4 3.0 1265.5 1285.8 Analysis
14 West Rand vs Bojanala Inter-Regional Championships 2023 (U8) 2023/10/12 2023/10/12 West Rand (GWR) Standard 60 0.83 8 8 4.5 1271.6 1303.7 Analysis
13 Bojanala's Battle Of Mount Cambridge 2023 (Little Pawns) 2023/09/16 2023/09/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1238.9 1271.7 Analysis
12 Bojanala's Spring Cleaning 2023 (Litle Pawns) 2023/08/26 2023/08/26 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1367.7 1363.2 Analysis
11 Bojanala's Rosewood 2023 (Big Pawns) 2023/08/12 2023/08/12 Bojanala Platina (NBR) Standard 60 0.83 7 6 0.0 1367.7 1363.2 Analysis
10 Bojanala's FIDE in the Sparkling Waters 2023 (Junior) 2023/07/29 2023/07/29 Bojanala Platina (NBR) Standard 120 1.00 6 6 2.5 1417.6 1413.4 Analysis
9 Bojanala's Post-Exams 2023 (U6) 2023/07/24 2023/07/24 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 1329.3 1328.2 Analysis
8 Bojanala School League 2023 (U7) 2023/07/18 2023/08/14 Bojanala Platina (NBR) Rapid 40 0.70 6 6 2.0 1367.7 1200.0 Analysis
7 Grenswag's Community Battle 2023 (U8) 2023/04/22 2023/04/22 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1259.5 1282.0 Analysis
6 Silver Lakes Open Chess Tournament (F) 2023/04/15 2023/04/15 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1259.5 1282.0 Analysis
5 Nories Make It Happen 2023 (U6) 2023/03/04 2023/03/04 Bojanala Platina (NBR) Standard 62 0.84 6 6 6.0 1140.2 1139.2 Analysis
4 One For The Ages 2023 (U6) 2023/02/18 2023/02/18 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1062.5 1040.4 Analysis
3 Harties Wolf Pack 2023 (U8) 2023/01/21 2023/01/21 Bojanala Platina (NBR) Standard 62 0.84 5 5 0.0 1165.3 1162.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 35 13 3 19 14.5 41.4 -72.9 1233.8 1161.0
White 18 7 1 10 7.5 41.7 -70.8 1217.7 1146.8
Black 17 6 2 9 7.0 41.2 -75.0 1250.9 1175.9
Standard All 35 13 3 19 14.5 41.4 -72.9 1233.8 1161.0
White 18 7 1 10 7.5 41.7 -70.8 1217.7 1146.8
Black 17 6 2 9 7.0 41.2 -75.0 1250.9 1175.9
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 123 56 9 58 60.5 49.2 -6.9 1204.1 1197.2
White 62 30 4 28 32.0 51.6 13.7 1187.4 1201.1
Black 61 26 5 30 28.5 46.7 -27.9 1221.1 1193.2
Standard All 117 54 9 54 58.5 50.0 0.0 1205.3 1205.3
White 59 29 4 26 31.0 52.5 21.6 1187.7 1209.3
Black 58 25 5 28 27.5 47.4 -22.0 1223.2 1201.2
Rapid All 6 2 0 4 2.0 33.3 -141.7 1180.8 1039.2
White 3 1 0 2 1.0 33.3 -141.7 1180.8 1039.2
Black 3 1 0 2 1.0 33.3 -141.7 1180.8 1039.2
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 2170149596 Mabugu, R (Refilwe) 10 9.5 9 1 0 95.0 1211.0 382.5 1593.5 View list
2 1190149595 Kotsokoane, R (Reatlegile) 5 5.0 5 0 0 100.0 1187.5 425.0 1612.5 View list
3 1170149591 Kgame, K (Kgosi Otshepeng) 5 4.5 4 1 0 90.0 1208.0 340.0 1548.0 View list
4 2160146473 Pilane, O (Ogone) 4 0.5 0 1 3 12.5 1187.6 -318.8 868.9 View list
5 1160146604 Hough, A (Andreas Johannes) 4 0.0 0 0 4 0.0 1340.6 -425.0 915.6 View list
6 1170144069 Kruger, T (Thinus Pieter) 4 0.0 0 0 4 0.0 1253.8 -425.0 828.8 View list
7 1170162300 Xhalabile, L (Lonwabo) 3 1.5 1 1 1 50.0 1201.0 0.0 1201.0 View list
8 1170147325 Stelloh, A (Alexander) 3 0.0 0 0 3 0.0 1264.2 -425.0 839.2 View list
9 1170148241 Tak, A (Abeer) 3 0.0 0 0 3 0.0 1212.0 -425.0 787.0 View list
10 1160160047 Jonas, M (Minenhle) 2 2.0 2 0 0 100.0 1367.7 425.0 1792.7 View list
11 2170191456 Diphoko, P (Pelonomi) 2 2.0 2 0 0 100.0 1232.3 425.0 1657.3 View list
12 1170154501 Machine, K (Ketumile) 2 2.0 2 0 0 100.0 1263.7 425.0 1688.7 View list
13 1170159426 Molefi, K (Kgotso) 2 2.0 2 0 0 100.0 1218.5 425.0 1643.5 View list
14 1180160667 Ramoshebi, N (Nala) 2 2.0 2 0 0 100.0 1303.3 425.0 1728.3 View list
15 2170149598 Ngobeni, M (Mikateko) 2 1.5 1 1 0 75.0 1161.0 212.5 1373.5 View list
16 2160152067 Pelser, L (Leja) 2 1.0 1 0 1 50.0 1223.8 0.0 1223.8 View list
17 2160152068 Taperesu, K (Kaelyn Lynelle) 2 1.0 1 0 1 50.0 1313.6 0.0 1313.6 View list
18 1160156767 De Jager, L (Luado) 2 0.0 0 0 2 0.0 1325.5 -425.0 900.5 View list
19 1160149601 Langa, T (Thatego) 2 0.0 0 0 2 0.0 1367.7 -425.0 942.7 View list
20 1160159295 Van Der Merwe, J (Jayden) 2 0.0 0 0 2 0.0 1277.4 -425.0 852.4 View list