Player Page

Roberts, MH (Marthinus Hendrik)
Dob: 2017/04/05 (U8)
Gender: Male
Chess SA id: 1170157329
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/08/31 (65 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 rating1514.8
Current Weighted rating1405.8
Current Weighted performance1416.1
Current official/published rating (highest between Raw, WR and WP)1514.8
Current highest rating achieved1582.7
Current floor (min rating allowed)1082.7
Current K-factor32
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)±105.9
Current Raw change used (final)0.0
Projected new Raw rating1514.8
Projected new Weighed rating1299.4
Projected new Weighted performance1416.1
Projected new final Raw rating (if new WP > new Raw)1514.8
Projected new highest rating1582.7
Projected new floor1082.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1514.8
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 rating1504.2
Current Weighted rating1395.6
Current Weighted performance1416.1
Current official/published rating (highest between Raw, WR and WP)1504.2
Current highest rating achieved1577.8
Current floor (min rating allowed)1077.8
Current K-factor32
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)±107.5
Current Raw change used (final)0.0
Projected new Raw rating1504.2
Projected new Weighed rating1289.8
Projected new Weighted performance1416.1
Projected new final Raw rating (if new WP > new Raw)1504.2
Projected new highest rating1577.8
Projected new floor1077.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1504.2
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 rating1255.4
Current Weighted rating1247.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1255.4
Current highest rating achieved1255.4
Current floor (min rating allowed)755.4
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)±153.2
Current Raw change used (final)0.0
Projected new Raw rating1255.4
Projected new Weighed rating1148.3
Projected new Weighted performance415.1
Projected new final Raw rating (if new WP > new Raw)1255.4
Projected new highest rating1255.4
Projected new floor755.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1255.4
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
10 2024 Etienne Lewis (U8) 2024/08/31 2024/08/31 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1514.8 1502.6 Analysis
9 2024 Alekhine Open Chess Tournament (U8) 2024/08/09 2024/08/09 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1566.0 1558.6 Analysis
8 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U9A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1566.0 1558.6 Analysis
7 Menlopark Open Chess Tournament 2024 (U8) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1582.7 1577.8 Analysis
6 Bojanala Olienpark's One For The Ages 2024 (Center Pawns) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 1484.1 1480.8 Analysis
5 Bojanala's Rating Express 2024 (Big Pawns) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 7 6 6.0 1484.1 1480.8 Analysis
4 2024 Chris Greyling Open Chess Tournament (F) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1303.0 1293.2 Analysis
3 2024 Wynie Robbertse Chess Tournament (F) 2024/03/02 2024/03/02 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1303.0 1293.2 Analysis
2 2024 Constantiapark Open (F) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1250.9 1234.2 Analysis
1 JMC Kick Off Tournament 2024 (U8) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1241.6 1219.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 2024 Etienne Lewis (U8) 2024/08/31 2024/08/31 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1514.8 1502.6 Analysis
14 2024 Alekhine Open Chess Tournament (U8) 2024/08/09 2024/08/09 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1566.0 1558.6 Analysis
13 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U9A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1566.0 1558.6 Analysis
12 Menlopark Open Chess Tournament 2024 (U8) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1582.7 1577.8 Analysis
11 Bojanala Olienpark's One For The Ages 2024 (Center Pawns) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 1484.1 1480.8 Analysis
10 Bojanala's Rating Express 2024 (Big Pawns) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 7 6 6.0 1484.1 1480.8 Analysis
9 2024 Chris Greyling Open Chess Tournament (F) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1303.0 1293.2 Analysis
8 2024 Wynie Robbertse Chess Tournament (F) 2024/03/02 2024/03/02 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1303.0 1293.2 Analysis
7 2024 Constantiapark Open (F) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1250.9 1234.2 Analysis
6 JMC Kick Off Tournament 2024 (U8) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1241.6 1219.1 Analysis
5 Lardies Open Tournament 2023 (F) 2023/10/28 2023/10/28 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1194.7 1154.3 Analysis
4 Ekurhuleni Chess Spring Tournament 2023 (E) 2023/09/23 2023/09/23 Ekurhuleni (GE) Standard 60 0.83 5 4 0.0 1201.7 1202.2 Analysis
3 2023 U8 Open Chess Tournament 2023/09/02 2023/09/02 Tshwane (GTP) Rapid 30 0.60 5 5 4.0 1201.7 1200.0 Analysis
2 2023 Menlo Open Tournament (F) 2023/07/22 2023/07/22 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1212.5 1214.8 Analysis
1 JNW Open - Trinityhouse Little Falls 2023 (U8) 2023/06/24 2023/06/24 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 51 42 1 8 42.5 83.3 283.3 1210.6 1494.0
White 26 21 1 4 21.5 82.7 277.9 1217.6 1495.5
Black 25 21 0 4 21.0 84.0 289.0 1203.3 1492.3
Standard All 51 42 1 8 42.5 83.3 283.3 1210.6 1494.0
White 26 21 1 4 21.5 82.7 277.9 1217.6 1495.5
Black 25 21 0 4 21.0 84.0 289.0 1203.3 1492.3
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 75 55 1 19 55.5 74.0 204.0 1217.5 1421.5
White 38 25 1 12 25.5 67.1 145.4 1228.7 1374.1
Black 37 30 0 7 30.0 81.1 264.2 1206.0 1470.2
Standard All 70 51 1 18 51.5 73.6 200.4 1218.4 1418.8
White 36 24 1 11 24.5 68.1 153.5 1229.3 1382.8
Black 34 27 0 7 27.0 79.4 250.0 1206.9 1456.9
Rapid All 5 4 0 1 4.0 80.0 255.0 1204.8 1459.8
White 2 1 0 1 1.0 50.0 0.0 1217.4 1217.4
Black 3 3 0 0 3.0 100.0 425.0 1196.3 1621.3
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 2170191352 Kgwale, K (Keratilwe) 5 4.0 4 0 1 80.0 1387.5 255.0 1642.5 View list
2 1170149169 Barkhuizen, R (Reuben) 3 1.0 1 0 2 33.3 1430.7 -141.7 1289.1 View list
3 2160158380 Grobbelaar, M (Mari) 3 1.0 1 0 2 33.3 1203.0 -141.7 1061.3 View list
4 1170155747 Koorts, L (Lukas) 3 1.0 1 0 2 33.3 1218.0 -141.7 1076.4 View list
5 2170191603 Joubert, Z (Zani) 2 2.0 2 0 0 100.0 1272.3 425.0 1697.3 View list
6 2170149596 Mabugu, R (Refilwe) 2 2.0 2 0 0 100.0 1393.5 425.0 1818.5 View list
7 1170306855 Ntuli, S (Siphesihle) 2 2.0 2 0 0 100.0 1540.4 425.0 1965.4 View list
8 1150190422 Li, J (Jiming) 2 1.0 1 0 1 50.0 1380.3 0.0 1380.3 View list
9 1160148677 Roos, B (Benjamin) 2 1.0 1 0 1 50.0 1380.3 0.0 1380.3 View list
10 1160157330 Steyn, K (Kahn) 2 1.0 1 0 1 50.0 1206.3 0.0 1206.3 View list
11 1180147825 Conradie, D (David) 2 0.0 0 0 2 0.0 1225.5 -425.0 800.5 View list
12 1160158379 Gauche, K (Kian) 1 1.0 1 0 0 100.0 1194.7 425.0 1619.7 View list
13 1180303048 Fischer, E (Ernst) 1 1.0 1 0 0 100.0 1582.7 425.0 2007.7 View list
14 1170143024 Ebersohn, C (Christiaan) 1 1.0 1 0 0 100.0 1303.0 425.0 1728.0 View list
15 1160151828 Du Pisani, M (Malcom) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 1170302567 Diyalani, D (Dhanush) 1 1.0 1 0 0 100.0 1566.0 425.0 1991.0 View list
17 1180300701 Dikane, L (Leano) 1 1.0 1 0 0 100.0 1484.1 425.0 1909.1 View list
18 1170303463 Botha, Z (Zander) 1 1.0 1 0 0 100.0 1514.8 425.0 1939.8 View list
19 1170192179 Botha, J (Janco) 1 1.0 1 0 0 100.0 1250.9 425.0 1675.9 View list
20 1170145156 Botha, E (Erasmus Albertus) 1 1.0 1 0 0 100.0 1484.1 425.0 1909.1 View list