Player Page

Van Der Merwe, M (Marthinus)
Dob: 2012/03/02 (U14)
Gender: Male
Chess SA id: 1120108381
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2024/03/09 (257 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 rating1217.2
Current Weighted rating1228.1
Current Weighted performance963.3
Current official/published rating (highest between Raw, WR and WP)1228.1
Current highest rating achieved1465.8
Current floor (min rating allowed)965.8
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)±161.8
Current Raw change used (final)0.0
Projected new Raw rating1217.2
Projected new Weighed rating1129.8
Projected new Weighted performance963.3
Projected new final Raw rating (if new WP > new Raw)1217.2
Projected new highest rating1465.8
Projected new floor965.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1217.2
Projected effective change (new Official - current Official)-10.9
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 rating1316.8
Current Weighted rating1315.2
Current Weighted performance897.6
Current official/published rating (highest between Raw, WR and WP)1316.8
Current highest rating achieved1461.7
Current floor (min rating allowed)961.7
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)±140.4
Current Raw change used (final)0.0
Projected new Raw rating1316.8
Projected new Weighed rating1210.4
Projected new Weighted performance897.6
Projected new final Raw rating (if new WP > new Raw)1316.8
Projected new highest rating1461.7
Projected new floor961.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1316.8
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 rating1056.8
Current Weighted rating1040.4
Current Weighted performance907.9
Current official/published rating (highest between Raw, WR and WP)1056.8
Current highest rating achieved1266.0
Current floor (min rating allowed)766.0
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)±203.3
Current Raw change used (final)0.0
Projected new Raw rating1056.8
Projected new Weighed rating957.8
Projected new Weighted performance907.9
Projected new final Raw rating (if new WP > new Raw)1056.8
Projected new highest rating1266.0
Projected new floor766.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1056.8
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 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
2 Mangaung Metro Chess 9 March 2024 (B) 2024/03/09 2024/03/09 Mangaung (FMB) Rapid 32 0.63 5 5 2.5 1229.9 1039.5 Analysis
1 Mangaung Metro Chess 10 February 2024 (B) 2024/02/10 2024/02/10 Mangaung (FMB) Rapid 32 0.63 5 5 2.0 1247.4 1017.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
24 Mangaung Metro Chess 9 March 2024 (B) 2024/03/09 2024/03/09 Mangaung (FMB) Rapid 32 0.63 5 5 2.5 1229.9 1039.5 Analysis
23 Mangaung Metro Chess 10 February 2024 (B) 2024/02/10 2024/02/10 Mangaung (FMB) Rapid 32 0.63 5 5 2.0 1247.4 1017.9 Analysis
22 Inter Regional Chess Championship 2023 (U12) 2023/05/19 2023/05/20 Mangaung (FMB) Standard 62 0.84 5 5 4.0 1209.2 1284.8 Analysis
21 Kings & Queens Chess 21 January 2023 (B) 2023/01/21 2023/01/21 Mangaung (FMB) Rapid 32 0.63 5 5 1.0 1237.6 1055.7 Analysis
20 2022 South African Junior Team Chess Championships (U12 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 1.0 1260.3 1328.3 Analysis
19 Super 8 Skaak 2022 (Seniors) 2022/10/14 2022/10/14 Bojanala Platina (NBR) Rapid 30 0.60 7 6 1.0 1301.4 1132.4 Analysis
18 Mangaung Metro Chess 13 August 2022 (B) 2022/08/13 2022/08/13 Mangaung (FMB) Rapid 32 0.63 5 5 2.0 1321.8 1161.2 Analysis
17 Mangaung Metro Chess 30 July 2022 (B) 2022/07/30 2022/07/30 Mangaung (FMB) Rapid 32 0.63 5 5 3.0 1326.4 1169.5 Analysis
16 Morris Club Championship 2022 2022/02/26 2022/02/26 Mangaung (FMB) Rapid 32 0.63 5 4 0.0 1365.1 1266.0 Analysis
15 Mangaung Metro Chess 22 January 2022 (B) 2022/01/22 2022/01/22 Mangaung (FMB) Rapid 32 0.63 5 5 4.0 1353.2 1255.2 Analysis
14 Mangaung Metro Chess 28 August 2021 (C) 2021/08/28 2021/08/28 Mangaung (FMB) Rapid 25 0.54 5 5 5.0 1332.5 1200.0 Analysis
13 Lejweleputswa 3rd Qualifying Tournament 2021 (C) 2021/04/24 2021/04/24 Lejweleputswa (FLW) Standard 62 0.84 5 5 4.5 1295.1 1283.8 Analysis
12 Mangaung Metro Chess February 2020 (D) 2020/02/21 2020/02/22 Mangaung (FMB) Standard 62 0.84 5 5 2.0 1338.4 1336.9 Analysis
11 Mangaung Metro Chess 17-18 January 2020 (E) 2020/01/17 2020/01/18 Mangaung (FMB) Standard 62 0.84 5 5 5.0 1415.5 1401.5 Analysis
10 2019 Wild Card Chess Championship (U8 Open+Girls) 2020/01/09 2020/01/12 4 Knights (4K) Standard 120 1.00 7 7 4.0 1415.5 1401.5 Analysis
9 2019 South African Junior Team Championships (U8B+U8Girls) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 3.5 1415.5 1401.5 Analysis
8 Mangaung Metro Chess October 2019 (E) 2019/10/11 2019/10/12 Mangaung (FMB) Standard 62 0.84 5 5 3.0 1449.9 1442.8 Analysis
7 Mangaung Metro Chess 16-17 August 2019 (G) 2019/08/16 2019/08/17 Mangaung (FMB) Standard 62 0.84 5 5 3.5 1465.8 1461.7 Analysis
6 Mangaung Metro July Trials 2019 (U8) 2019/07/19 2019/07/20 Mangaung (FMB) Standard 62 0.84 5 5 5.0 1372.2 1369.9 Analysis
5 Mangaung Metro Chess 31 May to 1 June 2019 (G) 2019/05/31 2019/06/01 Mangaung (FMB) Standard 62 0.84 5 5 4.0 1275.4 1288.4 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 4 1 5 4.5 45.0 -42.5 1145.0 1102.5
White 5 1 0 4 1.0 20.0 -255.0 1210.6 955.6
Black 5 3 1 1 3.5 70.0 170.0 1079.3 1249.3
Standard 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
Rapid All 10 4 1 5 4.5 45.0 -42.5 1145.0 1102.5
White 5 1 0 4 1.0 20.0 -255.0 1210.6 955.6
Black 5 3 1 1 3.5 70.0 170.0 1079.3 1249.3
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 124 69 6 49 72.0 58.1 68.5 1207.0 1275.6
White 63 33 2 28 34.0 54.0 33.7 1212.7 1246.4
Black 61 36 4 21 38.0 62.3 104.5 1201.2 1305.7
Standard All 79 49 5 25 51.5 65.2 129.1 1201.4 1330.5
White 39 24 2 13 25.0 64.1 119.9 1203.3 1323.2
Black 40 25 3 12 26.5 66.3 138.1 1199.5 1337.7
Rapid All 45 20 1 24 20.5 45.6 -37.8 1216.8 1179.1
White 24 9 0 15 9.0 37.5 -106.3 1227.8 1121.6
Black 21 11 1 9 11.5 54.8 40.5 1204.3 1244.8
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 1120111853 Els, R (Ruben) 5 4.0 4 0 1 80.0 1274.4 255.0 1529.4 View list
2 1130111369 Steyn, W (Willem) 4 4.0 4 0 0 100.0 1337.0 425.0 1762.0 View list
3 1120106778 Herbst, W (Wilhelm) 4 3.0 3 0 1 75.0 1295.7 212.5 1508.2 View list
4 1120111852 Vermaak, N (Nehan) 3 3.0 3 0 0 100.0 1308.0 425.0 1733.0 View list
5 1090117637 Els, C (Christiaan) 3 2.0 2 0 1 66.7 1363.5 141.7 1505.2 View list
6 1110108383 Olivier, R (Riley) 3 0.0 0 0 3 0.0 1309.1 -425.0 884.1 View list
7 206086189 Lebenya, A (Agnes) 2 2.0 2 0 0 100.0 1337.5 425.0 1762.5 View list
8 207064253 Melville, J (Joalize) 2 2.0 2 0 0 100.0 1342.8 425.0 1767.8 View list
9 1120111854 Robb, N (Nathan) 2 2.0 2 0 0 100.0 1277.5 425.0 1702.5 View list
10 1120108378 Jacobs, E (E-Jay) 2 1.5 1 1 0 75.0 1419.0 212.5 1631.5 View list
11 2100107769 Du Plessis, S (Sherry-Lee) 2 1.0 1 0 1 50.0 1306.0 0.0 1306.0 View list
12 1110106780 Liversage, C (Corne) 2 1.0 1 0 1 50.0 1307.8 0.0 1307.8 View list
13 2120114948 Maass, A (Ane) 2 1.0 1 0 1 50.0 1370.6 0.0 1370.6 View list
14 1100098157 De Villiers, H (Hj) 2 0.0 0 0 2 0.0 1295.4 -425.0 870.4 View list
15 1110118128 Botha, JCC (Johannes Christiaan Corneli) 2 0.0 0 0 2 0.0 1280.8 -425.0 855.8 View list
16 1120111851 Albertyn, R (Ruben) 1 1.0 1 0 0 100.0 1182.8 425.0 1607.8 View list
17 1100098145 Breytenbach, R (Reynardt) 1 1.0 1 0 0 100.0 1415.5 425.0 1840.5 View list
18 1100192014 Botshelo, M (Mabule) 1 1.0 1 0 0 100.0 1247.4 425.0 1672.4 View list
19 1090107030 Dlikithela, M (Mivuyo) 1 1.0 1 0 0 100.0 1295.1 425.0 1720.1 View list
20 1090147114 De Wit, E (Elgin) 1 1.0 1 0 0 100.0 1301.4 425.0 1726.4 View list