PLAYER PAGE
Michael Lotter
1100138456Overberg (WOS)Personal
Main rating
| Rating | 1412.1 |
| K-factor | 32 |
| Floor | 919.7 |
| Highest | 1439.1 (2024-09-01) |
| Min/Max +/- allowed | 118 |
| Rating Change () | |
| Games | 1 |
| Score | 0 |
| We | 0.55 |
| SWe | -0.46 |
| Temp +/- | -14.7 |
| Penalties | 0 |
| Weight perform | 1293.4 |
| Final +/- | -14.7 |
| New Rating () | |
| Rating | 1397.4 |
| K-factor | 32 |
| Floor | 919.7 |
| Highest | 1439.1 (2024-09-01) |
| Min/Max +/- allowed | 118 |
Standard rating
| Rating | 1413.1 |
| K-factor | 32 |
| Floor | 912 |
| Highest | 1426.7 (2024-09-01) |
| Min/Max +/- allowed | 120.1 |
| Rating Change () | |
| Games | 1 |
| Score | 0 |
| We | 0.53 |
| SWe | -0.53 |
| Temp +/- | -17 |
| Penalties | 0 |
| Weight perform | 1328.4 |
| Final +/- | -17 |
| New Rating () | |
| Rating | 1396.2 |
| K-factor | 32 |
| Floor | 912 |
| Highest | 1426.7 (2024-09-01) |
| Min/Max +/- allowed | 120.1 |
Rapid rating
| Rating | 1335.3 |
| K-factor | 36 |
| Floor | 853.2 |
| Highest | 1353.2 (2026-02-28) |
| Min/Max +/- allowed | 133.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1259 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1335.3 |
| K-factor | 36 |
| Floor | 853.2 |
| Highest | 1353.2 (2026-02-28) |
| Min/Max +/- allowed | 133.3 |
Blitz rating
| Rating | 1199.8 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1199.8 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Western Cape Schools - Top Schools 2026 (U17 Mix) | Standard | 2026-08-29 | 2026-08-30 | Cape Town (WCT) | 6 | 1412.1 | 1 | 0 | 906 | -14.7 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Overberg Top Schools 2026 (U17) | Standard | 2026-08-01 | 2026-08-01 | Overberg (WOS) | 5 | 1412.1 | 3 | 3 | 1630 | 19.1 | Details |
| 2 | Curro Hermanus Winter Open 2026 (U20) | Rapid | 2026-06-20 | 2026-06-20 | Overberg (WOS) | 6 | 1407.9 | 6 | 3 | 1297.7 | -14.9 | Details |
| 3 | 2026 WCSC HS Individual Championship (U18 Boys) | Standard | 2026-05-02 | 2026-05-03 | Eden (WEG) | 6 | 1391.9 | 6 | 2.5 | 1478.6 | 15.9 | Details |
| 4 | Overberg Schools High School Closed 2026 (U18 Boys) | Standard | 2026-03-07 | 2026-03-07 | Overberg (WOS) | 5 | 1390.9 | 5 | 3.5 | 1403 | 1 | Details |
| 5 | Overberg Schools High School Trials 2026 (U17 Boys) | Rapid | 2026-02-21 | 2026-02-21 | Overberg (WOS) | 6 | 1390.5 | 6 | 4 | 1351.8 | -3 | Details |
| 6 | Overberg Schools Open Championship 2026 (U17) | Rapid | 2026-01-31 | 2026-01-31 | Overberg (WOS) | 6 | 1390.5 | 6 | 4 | 1427.3 | 1.8 | Details |
| 7 | Hermanus Chess Club November Blitz 2025 (Open) | Blitz | 2025-11-29 | 2025-11-29 | Overberg (WOS) | 9 | 1387.3 | 8 | 3 | 1431.2 | 2 | Details |
| 8 | Western Cape Schools - Top Schools 2025 (U15) | Standard | 2025-09-06 | 2025-09-07 | Overberg (WOS) | 6 | 1383.4 | 6 | 3 | 1404.2 | 2.3 | Details |
| 9 | Overberg Top Schools 2025 (U15-U19) | Standard | 2025-08-02 | 2025-08-02 | Overberg (WOS) | 5 | 1363.9 | 5 | 4 | 1494.9 | 12.3 | Details |
| 10 | Western Cape Schools Individual Championship 2025 (U15 Boys) | Standard | 2025-04-26 | 2025-04-27 | West Coast (WCU) | 6 | 1398 | 6 | 2 | 1215.3 | -21.4 | Details |
| 11 | Overberg Schools - HS Closed 2025 (U15 Boys) | Standard | 2025-03-22 | 2025-03-22 | Overberg (WOS) | 5 | 1371.8 | 5 | 4 | 1546 | 16.4 | Details |
| 12 | Overberg Schools - HS Trials 2025 (U15 Boys) | Rapid | 2025-02-22 | 2025-02-22 | Overberg (WOS) | 6 | 1378.8 | 6 | 4 | 1383.8 | 0.6 | Details |
| 13 | Curro Hermanus Summer Open 2025 (U15) | Rapid | 2025-02-08 | 2025-02-08 | Overberg (WOS) | 6 | 1378.8 | 6 | 3 | 1300.3 | -7.6 | Details |
| 14 | Overberg Schools & Federation Open 2025 (U15) | Rapid | 2025-02-01 | 2025-02-01 | Overberg (WOS) | 6 | 1378.8 | 6 | 4 | 1409.3 | 2.7 | Details |
| 15 | Paarl Boys' High Chess Festival 2024 (C) | Standard | 2024-10-04 | 2024-10-05 | Cape Winelands (WCW) | 6 | 1419.7 | 5 | 2 | 1133.7 | -25.6 | Details |
| 16 | Overberg GP Invitational Day 2 2024 (B) | Standard | 2024-09-27 | 2024-09-27 | Overberg (WOS) | 5 | 1369.6 | 5 | 3 | 1311 | -6.3 | Details |
| 17 | Overberg GP Invitational Day 1 2024 (B) | Standard | 2024-09-26 | 2024-09-26 | Overberg (WOS) | 5 | 1369.6 | 5 | 4 | 1556.1 | 17.8 | Details |
| 18 | Western Cape Top Schools Championship 2024 (U15 Mixed) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1369.6 | 6 | 3.5 | 1411.4 | 5 | Details |
| 19 | Overberg Schools - Top Schools 2024 (U15 Mixed) | Standard | 2024-07-27 | 2024-07-27 | Overberg (WOS) | 5 | 1320.5 | 4 | 4 | 1591 | 21.2 | Details |
| 20 | Curro Hermanus Freedom Day Rapid 2024 (U15) | Rapid | 2024-04-27 | 2024-04-27 | Overberg (WOS) | 5 | 1300.4 | 5 | 3.5 | 1450.4 | 11.2 | Details |
| 21 | Western Cape HS Individuals Championship 2024 (U15 Boys) | Standard | 2024-03-21 | 2024-03-22 | Overberg (WOS) | 6 | 1267.2 | 6 | 2 | 1304.7 | 4 | Details |
| 22 | Overberg High Schools Trails 2024 (U15 Boys) | Standard | 2024-03-02 | 2024-03-02 | Overberg (WOS) | 5 | 1267.2 | 5 | 3 | 1406.9 | 14.4 | Details |
| 23 | Overberg High Schools Trails 2024 (U15) | Rapid | 2024-02-24 | 2024-02-24 | Overberg (WOS) | 5 | 1257.4 | 5 | 3 | 1349.3 | 5.5 | Details |
| 24 | Overberg Top Schools 2023 (U13) | Standard | 2023-08-05 | 2023-08-05 | Overberg (WOS) | 5 | 1245.7 | 5 | 2 | 1312.2 | 6.1 | Details |
| 25 | Western Cape PS Individuals 2023 (U13 Boys) | Standard | 2023-05-05 | 2023-05-06 | Cape Town (WCT) | 6 | 1242.4 | 6 | 3 | 1260.4 | 2.2 | Details |
| 26 | Hermanus Rapid 2023 (C) | Rapid | 2023-04-22 | 2023-04-22 | Overberg (WOS) | 6 | 1245.9 | 6 | 3 | 1219.7 | -2 | Details |
| 27 | Overberg School Chess Closed Tournament 2023 (U13 Boys) | Standard | 2023-03-25 | 2023-03-25 | Overberg (WOS) | 5 | 1212.2 | 5 | 3 | 1314.3 | 9.3 | Details |
| 28 | Overberg Primary School Trials (Region 2) | Rapid | 2023-02-24 | 2023-03-10 | Overberg (WOS) | 6 | 1212.2 | 6 | 4 | 1352.8 | 9.3 | Details |
| 29 | Overberg Schools Open Tournament 2023 (U14) | Rapid | 2023-02-11 | 2023-02-11 | Overberg (WOS) | 5 | 1196 | 5 | 3 | 1335.4 | 8.1 | Details |
| 30 | Overberg Primary Schools Closed 2022 (U13 Boys) | Standard | 2022-03-12 | 2022-03-12 | Overberg (WOS) | 5 | 1200 | 5 | 2 | 1173.4 | -2 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 33 |
| Wins | 19 |
| Draws | 2 |
| Losses | 12 |
| White | 18 |
| Black | 15 |
| White wins | 15 |
| Black wins | 4 |
| Score | 20 |
| Percent | 60.6 |
| Dp | 90.2 |
| AOR | 1308.1 |
| Performance | 1398.3 |
Game statistics (History)
| Games | 165 |
| Wins | 93 |
| Draws | 4 |
| Losses | 68 |
| White | 83 |
| Black | 82 |
| White wins | 57 |
| Black wins | 36 |
| Score | 95 |
| Percent | 57.6 |
| Dp | 64.4 |
| AOR | 1301.9 |
| Performance | 1366.3 |
Rankings (Main)
| National | |
| Overall | 3362 |
| Gender | 2860 |
| Age group | 500 |
| Gender/Age | 419 |
| Provincial | |
| Overall | 1001 |
| Gender | 814 |
| Age group | 141 |
| Gender/Age | 110 |
| Regional | |
| Overall | 51 |
| Gender | 39 |
| Age group | 12 |
| Gender/Age | 7 |
Rankings (Standard)
| National | |
| Overall | 2961 |
| Gender | 2482 |
| Age group | 430 |
| Gender/Age | 354 |
| Provincial | |
| Overall | 838 |
| Gender | 656 |
| Age group | 113 |
| Gender/Age | 89 |
| Regional | |
| Overall | 38 |
| Gender | 29 |
| Age group | 10 |
| Gender/Age | 7 |
Rankings (Rapid)
| National | |
| Overall | 1594 |
| Gender | 1343 |
| Age group | 209 |
| Gender/Age | 180 |
| Provincial | |
| Overall | 688 |
| Gender | 565 |
| Age group | 94 |
| Gender/Age | 78 |
| Regional | |
| Overall | 75 |
| Gender | 52 |
| Age group | 11 |
| Gender/Age | 6 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 33 |
| Score | 20 |
| Percent | 60.6 |
| Aor | 1308.1 |
| Dp | 90.2 |
| Prat | 1398.3 |
Performance (12 months)
| Games | 41 |
| Score | 23 |
| Percent | 56.1 |
| Aor | 1352.9 |
| Dp | 51.8 |
| Prat | 1404.7 |
Performance (History)
| Games | 165 |
| Score | 95 |
| Percent | 57.6 |
| Aor | 1301.9 |
| Dp | 64.4 |
| Prat | 1366.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Rock, M (Mieke) | 4 | 2 | 2 | Overberg GP Invitational Day 1 2024 (B) | Curro Hermanus Summer Open 2025 (U15) | Details |
| Overall | 2 | Opperman, C (Connor) | 4 | 2 | 2 | Overberg Top Schools 2023 (U13) | Hermanus Chess Club November Blitz 2025 (Open) | Details |
| Overall | 3 | Du Plessis, MA (Matthys Armand) | 3 | 1 | 2 | Overberg High Schools Trails 2024 (U15 Boys) | Overberg Schools Open Championship 2026 (U17) | Details |
| Overall | 4 | Amerika, E (Elanzo) | 3 | 2 | 1 | Overberg Top Schools 2025 (U15-U19) | Overberg Schools High School Closed 2026 (U18 Boys) | Details |
| Overall | 5 | Maans, W (Waylen) | 3 | 3 | 0 | Overberg Top Schools 2025 (U15-U19) | Overberg Top Schools 2026 (U17) | Details |
| Standard | 1 | Maans, W (Waylen) | 3 | 3 | 0 | Overberg Top Schools 2025 (U15-U19) | Overberg Top Schools 2026 (U17) | Details |
| Standard | 2 | Cockin, R (Ruan) | 2 | 0 | 2 | Western Cape HS Individuals Championship 2024 (U15 Boys) | 2026 WCSC HS Individual Championship (U18 Boys) | Details |
| Standard | 3 | Opperman, C (Connor) | 2 | 1 | 1 | Overberg Top Schools 2023 (U13) | Overberg Schools - HS Closed 2025 (U15 Boys) | Details |
| Standard | 4 | Stevens, DA (Danielle-Ann) | 2 | 1 | 1 | Overberg GP Invitational Day 1 2024 (B) | Overberg GP Invitational Day 2 2024 (B) | Details |
| Standard | 5 | Van Niekerk, N (Nina) | 2 | 1 | 1 | Western Cape Top Schools Championship 2024 (U15 Mixed) | Western Cape Schools - Top Schools 2025 (U15) | Details |
| Rapid | 1 | Scholtz, F (Francois) | 2 | 1 | 1 | Overberg Primary School Trials (Region 2) | Overberg Schools - HS Trials 2025 (U15 Boys) | Details |
| Rapid | 2 | Witbooi, G (Gere) | 2 | 1 | 1 | Hermanus Rapid 2023 (C) | Curro Hermanus Freedom Day Rapid 2024 (U15) | Details |
| Rapid | 3 | Visser, L (Lucian) | 2 | 1 | 1 | Overberg Schools Open Tournament 2023 (U14) | Overberg Primary School Trials (Region 2) | Details |
| Rapid | 4 | Rock, M (Mieke) | 2 | 1 | 1 | Overberg Schools & Federation Open 2025 (U15) | Curro Hermanus Summer Open 2025 (U15) | Details |
| Rapid | 5 | Pietersen, C (Christiano) | 2 | 1 | 1 | Overberg Schools Open Tournament 2023 (U14) | Overberg High Schools Trails 2024 (U15) | Details |