Player Page

Retief, M (Matthew)
Dob: 2008/12/16 (U18)
Gender: Male
Chess SA id: 1080160009
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2024/09/21 (62 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 rating1625.1
Current Weighted rating1360.7
Current Weighted performance1611.4
Current official/published rating (highest between Raw, WR and WP)1625.1
Current highest rating achieved1625.1
Current floor (min rating allowed)1125.1
Current K-factor28
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)±90.5
Current Raw change used (final)0.0
Projected new Raw rating1625.1
Projected new Weighed rating1256.5
Projected new Weighted performance1611.4
Projected new final Raw rating (if new WP > new Raw)1625.1
Projected new highest rating1625.1
Projected new floor1125.1
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1625.1
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 rating1612.8
Current Weighted rating1312.4
Current Weighted performance1577.8
Current official/published rating (highest between Raw, WR and WP)1612.8
Current highest rating achieved1612.8
Current floor (min rating allowed)1112.8
Current K-factor28
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)±92.1
Current Raw change used (final)0.0
Projected new Raw rating1612.8
Projected new Weighed rating1211.2
Projected new Weighted performance1577.8
Projected new final Raw rating (if new WP > new Raw)1612.8
Projected new highest rating1612.8
Projected new floor1112.8
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1612.8
Projected effective change (new Official - current Official)=0.0
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 rating1295.1
Current Weighted rating1281.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1295.1
Current highest rating achieved1295.1
Current floor (min rating allowed)795.1
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)±144.8
Current Raw change used (final)0.0
Projected new Raw rating1295.1
Projected new Weighed rating1180.1
Projected new Weighted performance892.0
Projected new final Raw rating (if new WP > new Raw)1295.1
Projected new highest rating1295.1
Projected new floor795.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1295.1
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
7 Bojanala's Battle In The Kloof 2024 (Queens) 2024/09/21 2024/09/21 Bojanala Platina (NBR) Standard 60 0.83 5 4 2.0 1574.2 1551.6 Analysis
6 Bojanala's FIDE In The Sparkling Waters 2024 (Rooks) 2024/08/16 2024/08/18 Bojanala Platina (NBR) Standard 120 1.00 6 5 5.0 1443.8 1330.7 Analysis
5 Bojanala's Clash Of Schools - Secondary 2024 (Championship) 2024/07/27 2024/07/27 Bojanala Platina (NBR) Rapid 35 0.66 5 5 4.0 1415.9 1290.4 Analysis
4 Bojanala Circuit Championship 2 of 4 2024 (U18) 2024/06/15 2024/06/15 Bojanala Platina (NBR) Standard 60 0.83 5 4 3.0 1311.8 1283.9 Analysis
3 Bojanala Silwerrand's Rating Implosion 2024 (Queens) 2024/03/16 2024/03/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1295.4 1255.1 Analysis
2 Bojanala Closed Chess Championships Finals 2024 (U18) 2024/02/09 2024/02/11 Bojanala Platina (NBR) Standard 120 1.00 5 5 0.5 1295.4 1245.0 Analysis
1 Bojanala Closed Chess Championships Stage 1 2024 (U18) 2024/01/27 2024/01/27 Bojanala Platina (NBR) Standard 60 0.83 5 4 2.0 1264.3 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 Bojanala's Battle In The Kloof 2024 (Queens) 2024/09/21 2024/09/21 Bojanala Platina (NBR) Standard 60 0.83 5 4 2.0 1574.2 1551.6 Analysis
7 Bojanala's FIDE In The Sparkling Waters 2024 (Rooks) 2024/08/16 2024/08/18 Bojanala Platina (NBR) Standard 120 1.00 6 5 5.0 1443.8 1330.7 Analysis
6 Bojanala's Clash Of Schools - Secondary 2024 (Championship) 2024/07/27 2024/07/27 Bojanala Platina (NBR) Rapid 35 0.66 5 5 4.0 1415.9 1290.4 Analysis
5 Bojanala Circuit Championship 2 of 4 2024 (U18) 2024/06/15 2024/06/15 Bojanala Platina (NBR) Standard 60 0.83 5 4 3.0 1311.8 1283.9 Analysis
4 Bojanala Silwerrand's Rating Implosion 2024 (Queens) 2024/03/16 2024/03/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1295.4 1255.1 Analysis
3 Bojanala Closed Chess Championships Finals 2024 (U18) 2024/02/09 2024/02/11 Bojanala Platina (NBR) Standard 120 1.00 5 5 0.5 1295.4 1245.0 Analysis
2 Bojanala Closed Chess Championships Stage 1 2024 (U18) 2024/01/27 2024/01/27 Bojanala Platina (NBR) Standard 60 0.83 5 4 2.0 1264.3 1200.0 Analysis
1 Bojanala School League 2023 (U15) 2023/08/19 2023/08/19 Bojanala Platina (NBR) Rapid 40 0.70 5 5 5.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 32 18 2 12 19.0 59.4 79.7 1497.0 1576.7
White 16 10 1 5 10.5 65.6 132.8 1467.3 1600.1
Black 16 8 1 7 8.5 53.1 26.6 1526.6 1553.2
Standard All 27 14 2 11 15.0 55.6 47.2 1516.4 1563.7
White 13 8 1 4 8.5 65.4 130.8 1487.8 1618.6
Black 14 6 1 7 6.5 46.4 -30.4 1543.0 1512.6
Rapid All 5 4 0 1 4.0 80.0 255.0 1391.8 1646.8
White 3 2 0 1 2.0 66.7 141.7 1378.3 1520.0
Black 2 2 0 0 2.0 100.0 425.0 1412.0 1837.0
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 37 23 2 12 24.0 64.9 126.4 1457.0 1583.4
White 18 12 1 5 12.5 69.4 165.3 1438.1 1603.3
Black 19 11 1 7 11.5 60.5 89.5 1475.0 1564.5
Standard All 27 14 2 11 15.0 55.6 47.2 1516.4 1563.7
White 13 8 1 4 8.5 65.4 130.8 1487.8 1618.6
Black 14 6 1 7 6.5 46.4 -30.4 1543.0 1512.6
Rapid All 10 9 0 1 9.0 90.0 340.0 1296.7 1636.7
White 5 4 0 1 4.0 80.0 255.0 1308.7 1563.7
Black 5 5 0 0 5.0 100.0 425.0 1284.7 1709.7
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 108087734 Mostert, GS (Gideon) 2 2.0 2 0 0 100.0 1288.0 425.0 1713.0 View list
2 108069885 Difotso, LR (Lebogang) 2 0.5 0 1 1 25.0 1279.8 -212.5 1067.3 View list
3 1100103439 Mungal, E (Ethan) 2 0.0 0 0 2 0.0 1443.0 -425.0 1018.0 View list
4 107064899 Goliath, BB (Brimarion) 2 0.0 0 0 2 0.0 1434.8 -425.0 1009.8 View list
5 207069536 Boshoma, C (Chisomo) 2 0.0 0 0 2 0.0 1279.8 -425.0 854.8 View list
6 210092704 Deysel, H (Hannah) 1 1.0 1 0 0 100.0 1443.8 425.0 1868.8 View list
7 1100300037 Botha, L (Lukas) 1 1.0 1 0 0 100.0 1311.8 425.0 1736.8 View list
8 2090099555 Baker, S (Shanel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1060117911 Alexander, L (Larona) 1 1.0 1 0 0 100.0 1415.9 425.0 1840.9 View list
10 177086357 Jacobs, GJ (Gerhard) 1 1.0 1 0 0 100.0 1443.8 425.0 1868.8 View list
11 104087736 Difotso, T (Tshegofatso) 1 1.0 1 0 0 100.0 1574.2 425.0 1999.2 View list
12 108069098 Nke, RB (Rebaone) 1 1.0 1 0 0 100.0 1415.9 425.0 1840.9 View list
13 1090143716 Nel, J (J-Louwen) 1 1.0 1 0 0 100.0 1443.8 425.0 1868.8 View list
14 1080144182 Ndlovu, J (Jacob) 1 1.0 1 0 0 100.0 1311.8 425.0 1736.8 View list
15 1080160005 Mothoage, T (Theo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 207083539 Mnguni, A (Atlegang) 1 1.0 1 0 0 100.0 1415.9 425.0 1840.9 View list
17 2090159999 Mitchley, C (Caitlin) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
18 1080156758 Mholo, O (Omolemo) 1 1.0 1 0 0 100.0 1264.3 425.0 1689.3 View list
19 1090156760 Nyawula, T (Tlotlo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
20 1090149575 Petlele, T (Tshegofatso) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list