Player Page

Pretorius, P (Pieter)
Dob: 2012/01/04 (U14)
Gender: Male
Chess SA id: 1120135739
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/12/08 (2 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 rating1316.5
Current Weighted rating1252.8
Current Weighted performance1283.9
Current official/published rating (highest between Raw, WR and WP)1316.5
Current highest rating achieved1342.5
Current floor (min rating allowed)842.5
Current K-factor36
Games played this month5
Score (S)2.0
Expected score (We)3.15
Difference (S-We)-1.08
Current Raw change (no limits, including tournament time weight)-38.9
Current min/max change allowed (with limits)±140.5
Current Raw change used (final)-38.9
Projected new Raw rating1277.6
Projected new Weighed rating1155.3
Projected new Weighted performance1242.7
Projected new final Raw rating (if new WP > new Raw)1277.6
Projected new highest rating1342.5
Projected new floor842.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1277.6
Projected effective change (new Official - current Official)-38.9
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 rating1315.4
Current Weighted rating1245.7
Current Weighted performance1283.9
Current official/published rating (highest between Raw, WR and WP)1315.4
Current highest rating achieved1341.4
Current floor (min rating allowed)841.4
Current K-factor36
Games played this month5
Score (S)2.0
Expected score (We)3.15
Difference (S-We)-1.15
Current Raw change (no limits, including tournament time weight)-41.4
Current min/max change allowed (with limits)±140.7
Current Raw change used (final)-41.4
Projected new Raw rating1274.0
Projected new Weighed rating1148.9
Projected new Weighted performance1242.7
Projected new final Raw rating (if new WP > new Raw)1274.0
Projected new highest rating1341.4
Projected new floor841.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1274.0
Projected effective change (new Official - current Official)-41.4
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 rating676.8
Current Weighted rating676.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)676.8
Current highest rating achieved676.8
Current floor (min rating allowed)500.0
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)±349.4
Current Raw change used (final)0.0
Projected new Raw rating676.8
Projected new Weighed rating622.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating676.8
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)676.8
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 rating676.8
Current Weighted rating676.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)676.8
Current highest rating achieved676.8
Current floor (min rating allowed)500.0
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)±349.4
Current Raw change used (final)0.0
Projected new Raw rating676.8
Projected new Weighed rating622.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating676.8
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)676.8
Projected effective change (new Official - current Official)=0.0
Tournaments
Tournament: Gauteng Inter-Region at UJ 2024 (U14 Candidates)
Start: 2024/12/07  End: 2024/12/08  Host: GJM  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1316.5  Rating gain/loss: -38.9
Type rating: 1315.4  Rating gain/loss: -41.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
13 Gauteng Inter-Region at UJ 2024 (U14 Candidates) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 5 2.0 1316.5 1315.4 Analysis
12 2024 Etienne Lewis (U14) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 3.5 1330.8 1335.6 Analysis
11 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13B) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1274.6 1266.5 Analysis
10 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1296.1 1293.9 Analysis
9 2024 Milos Ristic Open Chess Tournament (U14) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1294.9 1291.0 Analysis
8 2024 KSNG CHess Academy Open Tournament (D2) 2024/04/06 2024/04/06 Tshwane (GTP) Standard 60 0.83 5 4 2.0 1294.9 1291.0 Analysis
7 2024 Lubowski Open Chess Tournament (D1) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 4 1.5 1342.5 1341.4 Analysis
6 2024 Chris Greyling Open Chess Tournament (D3) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1342.5 1341.4 Analysis
5 2024 Tshwane Chess AHS Open Chess Tournament (D1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1204.6 1203.0 Analysis
4 2024 Blou Bul Open Chess Tournament (D) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1204.6 1203.0 Analysis
3 2024 Piet Robbertse Open Chess Tournament (D1) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1204.6 1203.0 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (D2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1153.0 1135.3 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1153.0 1135.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
35 Gauteng Inter-Region at UJ 2024 (U14 Candidates) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 5 2.0 1316.5 1315.4 Analysis
34 2024 Etienne Lewis (U14) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 3.5 1330.8 1335.6 Analysis
33 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13B) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1274.6 1266.5 Analysis
32 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1296.1 1293.9 Analysis
31 2024 Milos Ristic Open Chess Tournament (U14) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1294.9 1291.0 Analysis
30 2024 KSNG CHess Academy Open Tournament (D2) 2024/04/06 2024/04/06 Tshwane (GTP) Standard 60 0.83 5 4 2.0 1294.9 1291.0 Analysis
29 2024 Lubowski Open Chess Tournament (D1) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 4 1.5 1342.5 1341.4 Analysis
28 2024 Chris Greyling Open Chess Tournament (D3) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1342.5 1341.4 Analysis
27 2024 Tshwane Chess AHS Open Chess Tournament (D1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1204.6 1203.0 Analysis
26 2024 Blou Bul Open Chess Tournament (D) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1204.6 1203.0 Analysis
25 2024 Piet Robbertse Open Chess Tournament (D1) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1204.6 1203.0 Analysis
24 2024 Tshwane Chess OPEN Registration Tournament (D2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1153.0 1135.3 Analysis
23 2024 Gauteng Inter-Region Chess Championship (U12C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1153.0 1135.3 Analysis
22 Lardies Open Tournament 2023 (D2) 2023/10/28 2023/10/28 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1172.4 1156.9 Analysis
21 2023 Etienne Lewis Closed Tournament (U12) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1187.9 1182.1 Analysis
20 2023 Jacaranda Round Robin (I) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1187.9 1182.1 Analysis
19 2023 Lubowski Open Tournament (D) 2023/06/24 2023/06/25 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1212.5 1204.5 Analysis
18 2023 Elize Steenkamp Open Tournament (D2) 2023/06/16 2023/06/17 Tshwane (GTP) Standard 90 0.94 6 6 3.0 1212.5 1204.5 Analysis
17 2023 Mid Gauteng Open Tournament (D) 2023/05/06 2023/05/06 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1147.9 1142.4 Analysis
16 Chris Greyling Open Tournament 2023 (D1) 2023/03/21 2023/03/21 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1102.3 1089.1 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 65 34 3 28 35.5 54.6 39.2 1253.9 1293.1
White 36 22 2 12 23.0 63.9 118.1 1248.7 1366.7
Black 29 12 1 16 12.5 43.1 -58.6 1260.4 1201.8
Standard All 65 34 3 28 35.5 54.6 39.2 1253.9 1293.1
White 36 22 2 12 23.0 63.9 118.1 1248.7 1366.7
Black 29 12 1 16 12.5 43.1 -58.6 1260.4 1201.8
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 178 84 8 86 88.0 49.4 -4.8 1208.2 1203.5
White 94 51 3 40 52.5 55.9 49.7 1203.9 1253.7
Black 84 33 5 46 35.5 42.3 -65.8 1213.1 1147.3
Standard All 178 84 8 86 88.0 49.4 -4.8 1208.2 1203.5
White 94 51 3 40 52.5 55.9 49.7 1203.9 1253.7
Black 84 33 5 46 35.5 42.3 -65.8 1213.1 1147.3
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1110138291 De Klerk, W (Wihan) 3 2.0 2 0 1 66.7 1106.4 141.7 1248.1 View list
2 1120138295 Viljoen, A (Adriaan Johannes) 3 2.0 2 0 1 66.7 1121.7 141.7 1263.4 View list
3 1120133904 Fokker, CD (Christiaan Dirk) 3 1.0 1 0 2 33.3 1153.7 -141.7 1012.1 View list
4 2120134213 Jansen, A (Alexia) 3 0.0 0 0 3 0.0 1167.4 -425.0 742.4 View list
5 1130119626 Ndebele, AT (Akhumzi Thandolwenkosi) 3 0.0 0 0 3 0.0 1024.6 -425.0 599.6 View list
6 1120107185 Steyn, H (Henco) 3 0.0 0 0 3 0.0 1106.4 -425.0 681.4 View list
7 1110133020 Jacobs, E (Elai) 2 2.0 2 0 0 100.0 1018.5 425.0 1443.5 View list
8 1130135737 Olivier, F (Frederik) 2 2.0 2 0 0 100.0 1143.2 425.0 1568.2 View list
9 1090191629 Velelo, A (Adija) 2 2.0 2 0 0 100.0 1178.8 425.0 1603.8 View list
10 2090134212 Maartens, K (Kirsten) 2 1.5 1 1 0 75.0 998.3 212.5 1210.8 View list
11 2120109367 Pillay, V (Verana) 2 1.5 1 1 0 75.0 1265.2 212.5 1477.7 View list
12 1120109368 Coetzee, M (Mauritz) 2 1.0 1 0 1 50.0 923.2 0.0 923.2 View list
13 2120105112 Bogaard, A (Anneke) 2 1.0 1 0 1 50.0 1241.4 0.0 1241.4 View list
14 2100131209 Adamson, A (Amani) 2 1.0 1 0 1 50.0 1160.5 0.0 1160.5 View list
15 1110107188 De Beer, L (Liam) 2 1.0 1 0 1 50.0 983.8 0.0 983.8 View list
16 1130134043 De Bruin, H (Hanno) 2 1.0 1 0 1 50.0 998.9 0.0 998.9 View list
17 1140137312 Mabuza, O (Oluhle) 2 1.0 1 0 1 50.0 1204.6 0.0 1204.6 View list
18 1130136642 Ottermann, E (Erik) 2 1.0 1 0 1 50.0 1018.5 0.0 1018.5 View list
19 2120138294 Swanepoel, L (Leja) 2 1.0 1 0 1 50.0 1241.3 0.0 1241.3 View list
20 1120148312 Van Rooyen, D (Dandre) 2 1.0 1 0 1 50.0 1150.5 0.0 1150.5 View list