PLAYER PAGE
Personal
Mercuur, L (Logan)
Chess SA id
104082980FIDE id
?Date of birth
2004-08-31 (Adult)Gender
MaleRegion
Cape Winelands (WCW)Citizen
RSATitles
Chess SA registered
NoLast active game
2022-08-27Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| Raw rating | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| Weighted rating | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| Weighted performance | 762 | 727.7 | 503.9 | 0 |
| Floor | 863.5 | 848.8 | 692.8 | 500 |
| K-factor | 36 | 36 | 40 | 40 |
| Min/Max rating change allowed | 131.4 | 134.1 | 167.5 | 301.5 |
| Highest rating | 1372.32022-05-01 | 1348.82024-02-01 | 12002024-11-01 | 12002024-02-01 |
| Highest raw rating | 1363.52024-02-01 | 1348.82024-02-01 | 1192.82024-02-01 | 780.42024-02-01 |
| Highest weighted rating | 1363.52025-02-01 | 1348.82025-02-01 | 1192.82024-11-01 | 780.42024-11-01 |
| Highest weighted performance | 1372.32022-05-01 | 13152022-08-01 | 12002024-12-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| Analysis | ||||
| Rating | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| Raw rating | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| Weighted rating | 1363.5 | 1348.8 | 1192.8 | |
| Weighted performance | 762 | 727.7 | 503.9 | |
| K-factor | 36 | 36 | 40 | 40 |
| Floor | 863.5 | 848.8 | 692.8 | 500 |
| Max/Min rating change allowed | 131.4 | 134.1 | 167.5 | 301.5 |
| Games | 0 | 0 | 0 | 0 |
| Score | 0 | 0 | 0 | 0 |
| Expected score | 0 | 0 | 0 | 0 |
| Score-Expected | 0 | 0 | 0 | 0 |
| Temp raw +/- | 0 | 0 | 0 | 0 |
| Final raw +/- | 0 | 0 | 0 | 0 |
| New raw rating | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| New weighted rating | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| New weighted performance | 752.9 | 718.8 | 495.3 | 0 |
| Temp new rating | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| New K-factor | 36 | 36 | 40 | 40 |
| New floor | 863.5 | 848.8 | 692.8 | 500 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 27 | 22 | 5 | 0 | |
| 5 | 0 | 5 | 0 | |
| History | 119 | 89 | 30 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Cape Winelands (WCW) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 0 | 0 | 0 | 0 | 0 | 0 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 0 | 0 | 0 | 0 | 0 | 0 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 94 | 60 | 63.83 | 117.6 | 1193.2 | 1310.8 |
| Standard | 64 | 40 | 62.5 | 106.2 | 1225.6 | 1331.8 |
| Rapid | 30 | 20 | 66.67 | 141.7 | 1124.1 | 1265.8 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-11-30 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-11-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-09-30 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-09-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-08-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-07-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-06-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-05-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-04-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-03-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-02-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2025-01-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2024-12-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2024-11-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2024-10-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2024-09-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2024-11-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2024-07-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2024-06-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2024-05-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2024-04-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2024-03-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
| 2024-02-01 | 1363.5 | 1348.8 | 1192.8 | 780.4 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cape Winelands Schools Top Schools 2022 (U18 Mix) | 2022-08-27 | 2022-08-27 | Standard | Cape Winelands (WCW) | 5 | 5 | 3 | Yes | Analysis |
| 2 | Western Cape Schools Chess 2022 (U18 Boys) | 2022-05-07 | 2022-05-08 | Standard | Eden (WEG) | 6 | 6 | 3 | Yes | Analysis |
| 3 | Cape Winelands Schools 2022 (U18 Boys) | 2022-03-05 | 2022-03-05 | Standard | Cape Winelands (WCW) | 5 | 5 | 4 | Yes | Analysis |
| 4 | Worcester Schools Trials 2022 (U18 Boys) | 2022-02-19 | 2022-02-19 | Rapid | Cape Winelands (WCW) | 5 | 5 | 4 | Yes | Analysis |
| 5 | Cape Winelands Open 2022 (Intermediate) | 2022-02-12 | 2022-02-13 | Standard | Cape Winelands (WCW) | 6 | 6 | 4 | Yes | Analysis |
| 6 | Cape Winelands Schools Trials 2021 (U18 Boys) | 2021-10-16 | 2021-10-16 | Rapid | Cape Winelands (WCW) | 5 | 5 | 3 | Yes | Analysis |
| 7 | Cape Winelands Schools Trials 1 2020 (U18 Boys) | 2020-02-15 | 2020-02-15 | Rapid | Cape Winelands (WCW) | 6 | 6 | 4 | Yes | Analysis |
| 8 | 2019 Wild Card Chess Championship (U16 Open) | 2020-01-09 | 2020-01-12 | Standard | 4 Knights (4K) | 7 | 7 | 3 | Yes | Analysis |
| 9 | 2019 South African Junior Team Championships (U16D) | 2020-01-04 | 2020-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 5.5 | Yes | Analysis |
| 10 | Spring Open 2019 (Open) | 2019-09-14 | 2019-09-14 | Standard | Overberg (WOS) | 5 | 5 | 2.5 | Yes | Analysis |
| 11 | Western Cape Schools Individuals 2019 (U15 Boys) | 2019-05-04 | 2019-05-05 | Standard | Eden (WEG) | 6 | 6 | 3.5 | Yes | Analysis |
| 12 | Cape Winelands Open 2019 (B) | 2019-04-27 | 2019-04-27 | Standard | Cape Winelands (WCW) | 5 | 5 | 2.5 | Yes | Analysis |
| 13 | Cape Winelands Schools Closed 2019 (U15 Boys) | 2019-03-16 | 2019-03-17 | Standard | Cape Winelands (WCW) | 7 | 7 | 5.5 | Yes | Analysis |
| 14 | CW Schools Open 2019 (U15 Boys) | 2019-02-02 | 2019-02-02 | Rapid | Cape Winelands (WCW) | 6 | 6 | 3.5 | Yes | Analysis |
| 15 | Western Cape Top Schools 2018 (U17 Mix) | 2018-08-25 | 2018-08-26 | Standard | Overberg (WOS) | 5 | 5 | 3.5 | Yes | Analysis |
| 16 | Cape Winelands Schools Chess - Top Schools 2018 (U17 Mix) | 2018-07-28 | 2018-07-28 | Rapid | Cape Winelands (WCW) | 3 | 2 | 2 | Yes | Analysis |
| 17 | Mandela Drakenstein Mgt Area Rapid Chess 2018 (Secondary School) | 2018-02-03 | 2018-02-03 | Rapid | Cape Winelands (WCW) | 7 | 6 | 3.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentWorcester Schools Trials 2022 | TournamentCape Winelands Schools 2022 | ||||||
| date2022-02-19 | rnd5 | typeRapid | result1 | date2022-03-05 | rnd5 | typeStandard | result0.5 | ||
| OpponentPieters, G (Gethan) | OpponentGrobler, Z (Zandre) | ||||||||
| 2 | 6 | TournamentCape Winelands Schools Chess - Top Schools 2018 | TournamentWestern Cape Top Schools 2018 | ||||||
| date2018-07-28 | rnd2 | typeRapid | result1 | date2018-08-26 | rnd4 | typeStandard | result0.5 | ||
| OpponentAdams, H (Henrico) | OpponentJonck, U (Udo) | ||||||||
| 3 | 5 | Tournament2019 South African Junior Team Championships | Tournament2019 South African Junior Team Championships | ||||||
| date2020-01-04 | rnd1 | typeStandard | result1 | date2020-01-06 | rnd5 | typeStandard | result1 | ||
| OpponentMorake, R (Remoratile) | OpponentFinnis, B (Bongani) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentCape Winelands Schools 2022 | TournamentCape Winelands Schools 2022 | ||||||
| date2022-03-05 | rnd1 | typeStandard | result1 | date2022-03-05 | rnd5 | typeStandard | result0.5 | ||
| OpponentAdler, K (Keano) | OpponentGrobler, Z (Zandre) | ||||||||
| 2 | 5 | Tournament2019 South African Junior Team Championships | Tournament2019 South African Junior Team Championships | ||||||
| date2020-01-04 | rnd1 | typeStandard | result1 | date2020-01-06 | rnd5 | typeStandard | result1 | ||
| OpponentMorake, R (Remoratile) | OpponentFinnis, B (Bongani) | ||||||||
| 3 | 5 | TournamentCape Winelands Schools Closed 2019 | TournamentCape Winelands Open 2019 | ||||||
| date2019-03-17 | rnd5 | typeStandard | result1 | date2019-04-27 | rnd2 | typeStandard | result1 | ||
| OpponentBothma, H (Hanno) | OpponentAugustyn, A (Anika) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | TournamentCape Winelands Schools Chess - Top Schools 2018 | TournamentCW Schools Open 2019 | ||||||
| date2018-07-28 | rnd2 | typeRapid | result1 | date2019-02-02 | rnd4 | typeRapid | result1 | ||
| OpponentAdams, H (Henrico) | OpponentDe Wet, WJ (Wouter) | ||||||||
| 2 | 4 | TournamentCape Winelands Schools Trials 2021 | TournamentWorcester Schools Trials 2022 | ||||||
| date2021-10-16 | rnd5 | typeRapid | result1 | date2022-02-19 | rnd3 | typeRapid | result1 | ||
| OpponentMitchell, R (Raynard) | OpponentSnyman, A (Alex) | ||||||||
| 3 | 4 | TournamentCape Winelands Schools Trials 1 2020 | TournamentCape Winelands Schools Trials 2021 | ||||||
| date2020-02-15 | rnd4 | typeRapid | result1 | date2021-10-16 | rnd1 | typeRapid | result1 | ||
| OpponentWaite, S (Sebastian) | OpponentBotha, M (Marnus) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | TournamentCape Winelands Schools Chess - Top Schools 2018 | TournamentWestern Cape Top Schools 2018 | ||||||
| date2018-07-28 | rnd2 | typeRapid | result1 | date2018-08-25 | rnd3 | typeStandard | result1 | ||
| OpponentAdams, H (Henrico) | OpponentMoses, T (Terence) | ||||||||
| 2 | 3 | TournamentWorcester Schools Trials 2022 | TournamentWorcester Schools Trials 2022 | ||||||
| date2022-02-19 | rnd1 | typeRapid | result1 | date2022-02-19 | rnd3 | typeRapid | result1 | ||
| OpponentBrown, G (Gareth) | OpponentSnyman, A (Alex) | ||||||||
| 3 | 3 | TournamentCape Winelands Open 2022 | TournamentCape Winelands Open 2022 | ||||||
| date2022-02-12 | rnd3 | typeStandard | result1 | date2022-02-13 | rnd5 | typeStandard | result1 | ||
| OpponentDrury, N (Nicholas) | OpponentBrand, R (Robin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCape Winelands Open 2022 | TournamentCape Winelands Open 2022 | ||||||
| date2022-02-12 | rnd3 | typeStandard | result1 | date2022-02-13 | rnd5 | typeStandard | result1 | ||
| OpponentDrury, N (Nicholas) | OpponentBrand, R (Robin) | ||||||||
| 2 | 3 | Tournament2019 South African Junior Team Championships | Tournament2019 South African Junior Team Championships | ||||||
| date2020-01-05 | rnd3 | typeStandard | result1 | date2020-01-06 | rnd5 | typeStandard | result1 | ||
| OpponentHeystek, H (Hardus) | OpponentFinnis, B (Bongani) | ||||||||
| 3 | 3 | TournamentCape Winelands Schools Closed 2019 | TournamentCape Winelands Schools Closed 2019 | ||||||
| date2019-03-16 | rnd1 | typeStandard | result1 | date2019-03-16 | rnd3 | typeStandard | result1 | ||
| OpponentMadolo, S (Siyolise) | OpponentAfrica, L (Lindsay) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentCape Winelands Schools Trials 2021 | TournamentWorcester Schools Trials 2022 | ||||||
| date2021-10-16 | rnd5 | typeRapid | result1 | date2022-02-19 | rnd3 | typeRapid | result1 | ||
| OpponentMitchell, R (Raynard) | OpponentSnyman, A (Alex) | ||||||||
| 2 | 3 | TournamentCape Winelands Schools Chess - Top Schools 2018 | TournamentCW Schools Open 2019 | ||||||
| date2018-07-28 | rnd2 | typeRapid | result1 | date2019-02-02 | rnd1 | typeRapid | result1 | ||
| OpponentAdams, H (Henrico) | OpponentJacobs, N (Nathan) | ||||||||
| 3 | 2 | TournamentCape Winelands Schools Trials 1 2020 | TournamentCape Winelands Schools Trials 1 2020 | ||||||
| date2020-02-15 | rnd1 | typeRapid | result1 | date2020-02-15 | rnd2 | typeRapid | result1 | ||
| OpponentDu Preez, D (Danie) | OpponentSinzumusi, A (Ahmed) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
Top 10 opponents most often played
| # | Opponent | Main | Standard | Rapid | Blitz | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | ||
| Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
| 1 | Africa ,L (Lindsay) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1263.4 | 1688.4 | 1222.4 | 1688.4 | 0 | 0 | 0 | 0 | ||||||
| 2 | Sithole ,C (Clyde) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1231.6 | 1656.6 | 1214.4 | 1656.6 | 0 | 0 | 0 | 0 | ||||||
| 3 | Madolo ,S (Siyolise) | 2 | 2 | 425 | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1128.8 | 1553.8 | 1127.6 | 1553.8 | 1200 | 1553.8 | 0 | 0 | ||||||
| 4 | Segelaar ,G (Geriant) | 2 | 0.5 | -212.5 | 1 | 0.5 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1185.4 | 972.9 | 1174.4 | 1185.4 | 1150.8 | 760.4 | 0 | 0 | ||||||
| 5 | Africa ,G (Gillmore) | 2 | 0 | -425 | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1411.6 | 986.6 | 1420.9 | 986.6 | 1269.9 | 986.6 | 0 | 0 | ||||||
| 6 | Coetsee ,JE (Johan Emile) | 2 | 2 | 425 | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1199.9 | 1624.9 | 857 | 1624.9 | 1245.2 | 1624.9 | 0 | 0 | ||||||
| 7 | Mitchell ,R (Raynard) | 2 | 1 | 0 | 1 | 0 | -425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1276.8 | 1276.8 | 1200 | 851.8 | 1365.5 | 1701.8 | 0 | 0 | ||||||
| 8 | Wildschut ,A (Anneline) | 2 | 1 | 0 | 1 | 0 | -425 | 1 | 1 | 425 | 0 | 0 | 0 |
| 927 | 927 | 1014.4 | 502 | 873.6 | 1351.9 | 0 | 0 | ||||||
| 9 | Du Preez ,D (Danie) | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
| 1171.3 | 1171.3 | 0 | 0 | 1142 | 1171.3 | 0 | 0 | ||||||
| 10 | Pienaar ,S (Schalk) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1142.2 | 717.2 | 1139.5 | 717.2 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

