PLAYER PAGE
Personal
Gertenbach, J (Jeandre)
Chess SA id
106077922FIDE id
?Date of birth
2006-04-18 (U20)Gender
MaleRegion
Mangaung (FMB)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-05-11Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| Raw rating | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| Weighted rating | 1277.6 | 1281.3 | 755.2 | 1030 |
| Weighted performance | 211.3 | 211.1 | 0 | 0 |
| Floor | 788.3 | 795.6 | 500 | 530.2 |
| K-factor | 36 | 36 | 40 | 40 |
| Min/Max rating change allowed | 148.5 | 147.7 | 312.5 | 211.2 |
| Highest rating | 1309.12018-02-01 | 1309.92018-02-01 | 12002024-02-01 | 1235.82018-07-01 |
| Highest raw rating | 1288.32019-01-01 | 1295.62019-01-01 | 755.22024-02-01 | 1030.22024-02-01 |
| Highest weighted rating | 1288.32024-02-01 | 1295.62024-02-01 | 755.22024-11-01 | 1030.22024-11-01 |
| Highest weighted performance | 1309.12018-02-01 | 1309.92018-02-01 | 12002024-02-01 | 1235.82018-07-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| Analysis | ||||
| Rating | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| Raw rating | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| Weighted rating | 1277.6 | 1281.3 | 755.2 | |
| Weighted performance | 211.3 | 211.1 | 0 | |
| K-factor | 36 | 36 | 40 | 40 |
| Floor | 788.3 | 795.6 | 500 | 530.2 |
| Max/Min rating change allowed | 148.5 | 147.7 | 312.5 | 211.2 |
| 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 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| New weighted rating | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| New weighted performance | 204 | 203.8 | 0 | 0 |
| Temp new rating | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| New K-factor | 36 | 36 | 40 | 40 |
| New floor | 788.3 | 795.6 | 500 | 530.2 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 183 | 160 | 0 | 23 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Mangaung (FMB) | ||||||||||||||||
| Province | Free State (FS) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 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 | 125 | 71.5 | 57.2 | 61.2 | 1126.7 | 1187.9 |
| Standard | 102 | 58 | 56.86 | 58.3 | 1120.4 | 1178.7 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 23 | 13.5 | 58.7 | 73.9 | 1154.5 | 1228.5 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2025-09-30 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2025-09-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2025-08-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2025-07-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2025-06-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2025-05-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2025-04-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2025-03-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2025-02-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2025-01-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-12-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-11-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-10-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-09-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-08-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-07-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-09-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-05-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-04-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-03-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-02-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2024-01-01 | 1277.6 | 1281.3 | 755.2 | 1030.2 |
| 2023-12-01 | 1277.6 | 1281.3 | 755.2 | 972 |
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 | Inter Regional Chess Championship 2019 (U14) | 2019-05-10 | 2019-05-11 | Standard | Mangaung (FMB) | 5 | 5 | 4 | Yes | Analysis |
| 2 | Mangaung Metro Chess 12 to 13 April 2019 (A) | 2019-04-12 | 2019-04-13 | Standard | Mangaung (FMB) | 5 | 0 | 0 | No | Analysis |
| 3 | Mangaung Metro Chess 15-16 March 2019 (A) | 2019-03-15 | 2019-03-16 | Standard | Mangaung (FMB) | 5 | 4 | 1 | Yes | Analysis |
| 4 | Mangaung Metro Chess 18-19 January 2019 (A) | 2019-01-18 | 2019-01-19 | Standard | Mangaung (FMB) | 5 | 5 | 2 | Yes | Analysis |
| 5 | South African Junior Blitz 2018 (U14) | 2018-12-19 | 2018-12-19 | Blitz | 4 Knights (4K) | 7 | 7 | 3.5 | Yes | Analysis |
| 6 | 2018 Wild Card Chess Championships (U14 Open) | 2018-12-21 | 2018-12-24 | Standard | 4 Knights (4K) | 7 | 7 | 3 | Yes | Analysis |
| 7 | South African Junior Team Championships 2018 (U14B) | 2018-12-16 | 2018-12-20 | Standard | 4 Knights (4K) | 7 | 7 | 5.5 | Yes | Analysis |
| 8 | Mangaung Metro Chess12 & 13 October 2018 (A) | 2018-10-12 | 2018-10-13 | Standard | Mangaung (FMB) | 5 | 5 | 1.5 | Yes | Analysis |
| 9 | Courteney Page 2018 (U18+Open) | 2018-09-07 | 2018-09-08 | Standard | Mangaung (FMB) | 5 | 5 | 4 | Yes | Analysis |
| 10 | Free State Open 2018 (B) | 2018-08-17 | 2018-08-18 | Standard | Mangaung (FMB) | 6 | 6 | 4 | Yes | Analysis |
| 11 | South African Open 2018 (B) | 2018-07-07 | 2018-07-14 | Standard | Mangaung (FMB) | 11 | 11 | 5.5 | Yes | Analysis |
| 12 | South African Open 2018 (Blitz) | 2018-07-11 | 2018-07-11 | Blitz | Mangaung (FMB) | 9 | 9 | 3.5 | Yes | Analysis |
| 13 | Mangaung Metro Chess 27-28 July 2018 (B) | 2018-07-27 | 2018-07-28 | Standard | Mangaung (FMB) | 5 | 5 | 3 | Yes | Analysis |
| 14 | Mangaung Metro Chess 1-2 June 2018 (B) | 2018-06-01 | 2018-06-02 | Standard | Mangaung (FMB) | 5 | 5 | 3 | Yes | Analysis |
| 15 | Inter Regional 2018 (U14 Team) | 2018-05-04 | 2018-05-05 | Standard | Frances Baard (NCF) | 5 | 5 | 1.5 | Yes | Analysis |
| 16 | Mangaung Metro Chess 20-21 April 2018 (B) | 2018-04-20 | 2018-04-21 | Standard | Mangaung (FMB) | 5 | 5 | 1 | Yes | Analysis |
| 17 | Smart Chess Blitz 2018 (U14) | 2018-03-03 | 2018-03-03 | Blitz | Mangaung (FMB) | 7 | 7 | 6.5 | Yes | Analysis |
| 18 | Mangaung Metro Chess 9 - 10 March 2018 (B) | 2018-03-09 | 2018-03-10 | Standard | Mangaung (FMB) | 5 | 5 | 2 | Yes | Analysis |
| 19 | Morris Club Challenge 2018 | 2018-02-17 | 2018-02-17 | Standard | Mangaung (FMB) | 5 | 5 | 4 | Yes | Analysis |
| 20 | Mangaung Metro Chess 2 & 3 February 2018 (C) | 2018-02-02 | 2018-02-03 | Standard | Mangaung (FMB) | 5 | 5 | 4.5 | Yes | Analysis |
| 21 | Mangaung Metro Chess 19 & 20 January 2018 (D) | 2018-01-19 | 2018-01-20 | Standard | Mangaung (FMB) | 5 | 5 | 5 | Yes | Analysis |
| 22 | South African Junior Team Championships 2017 (U12A) | 2018-01-04 | 2018-01-08 | Standard | 4 Knights (4K) | 7 | 7 | 3.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 14 | TournamentSouth African Junior Team Championships 2017 | TournamentMorris Club Challenge 2018 | ||||||
| date2018-01-08 | rnd7 | typeStandard | result0.5 | date2018-02-17 | rnd3 | typeStandard | result1 | ||
| OpponentHolmes, AM (Alex) | OpponentBruwer, M (Marius) | ||||||||
| 2 | 9 | TournamentSouth African Junior Team Championships 2018 | TournamentSouth African Junior Blitz 2018 | ||||||
| date2018-12-16 | rnd1 | typeStandard | result1 | date2018-12-19 | rnd3 | typeBlitz | result1 | ||
| OpponentVan Heerden, J (Joshua) | OpponentLamont, M (Michael) | ||||||||
| 3 | 8 | TournamentMorris Club Challenge 2018 | TournamentSmart Chess Blitz 2018 | ||||||
| date2018-02-17 | rnd5 | typeStandard | result1 | date2018-03-03 | rnd7 | typeBlitz | result1 | ||
| OpponentChikwe, T (Tumelo) | OpponentTaoana, P (Poloko) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 14 | TournamentSouth African Junior Team Championships 2017 | TournamentMorris Club Challenge 2018 | ||||||
| date2018-01-08 | rnd7 | typeStandard | result0.5 | date2018-02-17 | rnd3 | typeStandard | result1 | ||
| OpponentHolmes, AM (Alex) | OpponentBruwer, M (Marius) | ||||||||
| 2 | 6 | TournamentSouth African Junior Team Championships 2018 | TournamentSouth African Junior Team Championships 2018 | ||||||
| date2018-12-16 | rnd1 | typeStandard | result1 | date2018-12-19 | rnd6 | typeStandard | result1 | ||
| OpponentVan Heerden, J (Joshua) | OpponentLeso, L (Lethabo) | ||||||||
| 3 | 4 | TournamentMangaung Metro Chess 1-2 June 2018 | TournamentSouth African Open 2018 | ||||||
| date2018-06-02 | rnd3 | typeStandard | result1 | date2018-07-07 | rnd1 | typeStandard | result0.5 | ||
| OpponentMoticoe, R (Reabetswe) | OpponentDyzel, P (Pieter) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | TournamentSmart Chess Blitz 2018 | TournamentSmart Chess Blitz 2018 | ||||||
| date2018-03-03 | rnd1 | typeBlitz | result1 | date2018-03-03 | rnd7 | typeBlitz | result1 | ||
| OpponentBeelders, R (Ryan) | OpponentTaoana, P (Poloko) | ||||||||
| 2 | 4 | TournamentSouth African Open 2018 | TournamentSouth African Junior Blitz 2018 | ||||||
| date2018-07-11 | rnd9 | typeBlitz | result0.5 | date2018-12-19 | rnd3 | typeBlitz | result1 | ||
| OpponentGoosen, P (Pierre) | OpponentLamont, M (Michael) | ||||||||
| 3 | 2 | TournamentSouth African Open 2018 | TournamentSouth African Open 2018 | ||||||
| date2018-07-11 | rnd5 | typeBlitz | result1 | date2018-07-11 | rnd6 | typeBlitz | result1 | ||
| OpponentVan Rooyen, H (Hanro) | OpponentEssop, R (Rashied) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentMangaung Metro Chess 19 & 20 January 2018 | TournamentMangaung Metro Chess 2 & 3 February 2018 | ||||||
| date2018-01-19 | rnd1 | typeStandard | result1 | date2018-02-03 | rnd3 | typeStandard | result1 | ||
| OpponentSteenkamp, R (Rian) | OpponentSeromo, L (Leabua) | ||||||||
| 2 | 6 | TournamentSouth African Junior Team Championships 2018 | TournamentSouth African Junior Blitz 2018 | ||||||
| date2018-12-17 | rnd4 | typeStandard | result1 | date2018-12-19 | rnd3 | typeBlitz | result1 | ||
| OpponentManikwa, R (Ryan) | OpponentLamont, M (Michael) | ||||||||
| 3 | 4 | TournamentSmart Chess Blitz 2018 | TournamentSmart Chess Blitz 2018 | ||||||
| date2018-03-03 | rnd4 | typeBlitz | result1 | date2018-03-03 | rnd7 | typeBlitz | result1 | ||
| OpponentMinnaar, A (Ammoret) | OpponentTaoana, P (Poloko) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | TournamentMangaung Metro Chess 19 & 20 January 2018 | TournamentMangaung Metro Chess 2 & 3 February 2018 | ||||||
| date2018-01-19 | rnd1 | typeStandard | result1 | date2018-02-03 | rnd3 | typeStandard | result1 | ||
| OpponentSteenkamp, R (Rian) | OpponentSeromo, L (Leabua) | ||||||||
| 2 | 4 | TournamentMangaung Metro Chess 2 & 3 February 2018 | TournamentMorris Club Challenge 2018 | ||||||
| date2018-02-03 | rnd5 | typeStandard | result1 | date2018-02-17 | rnd3 | typeStandard | result1 | ||
| OpponentVenter, I (Imche) | OpponentBruwer, M (Marius) | ||||||||
| 3 | 3 | TournamentMangaung Metro Chess 15-16 March 2019 | TournamentInter Regional Chess Championship 2019 | ||||||
| date2019-03-16 | rnd5 | typeStandard | result1 | date2019-05-10 | rnd2 | typeStandard | result1 | ||
| OpponentJordaan, C (Chandre) | OpponentVan Zyl, WH (Wilhelmus) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | TournamentSmart Chess Blitz 2018 | TournamentSmart Chess Blitz 2018 | ||||||
| date2018-03-03 | rnd4 | typeBlitz | result1 | date2018-03-03 | rnd7 | typeBlitz | result1 | ||
| OpponentMinnaar, A (Ammoret) | OpponentTaoana, P (Poloko) | ||||||||
| 2 | 3 | TournamentSouth African Junior Blitz 2018 | TournamentSouth African Junior Blitz 2018 | ||||||
| date2018-12-19 | rnd1 | typeBlitz | result1 | date2018-12-19 | rnd3 | typeBlitz | result1 | ||
| OpponentRaymond, A (Ashlin) | OpponentLamont, M (Michael) | ||||||||
| 3 | 2 | TournamentSouth African Open 2018 | TournamentSouth African Open 2018 | ||||||
| date2018-07-11 | rnd5 | typeBlitz | result1 | date2018-07-11 | rnd6 | typeBlitz | result1 | ||
| OpponentVan Rooyen, H (Hanro) | OpponentEssop, R (Rashied) | ||||||||
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 | Seromo ,L (Leabua) | 4 | 2 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1076.8 | 1076.8 | 1073.7 | 1076.8 | 0 | 0 | 0 | 0 | ||||||
| 2 | Goosen ,P (Pierre) | 4 | 2.5 | 106.2 | 3 | 2 | 141.7 | 0 | 0 | 0 | 1 | 0.5 | 0 |
| 1209.8 | 1316.1 | 1208.2 | 1351.5 | 0 | 0 | 1200 | 1209.8 | ||||||
| 3 | Moshoeshoe ,M (Maletapata) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 937.1 | 937.1 | 923.4 | 937.1 | 0 | 0 | 0 | 0 | ||||||
| 4 | Mantje ,K (Katleho) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1507.4 | 1507.4 | 1501.2 | 1507.4 | 0 | 0 | 0 | 0 | ||||||
| 5 | Botes ,D (Dion) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1092.7 | 1517.7 | 1091.3 | 1517.7 | 0 | 0 | 0 | 0 | ||||||
| 6 | Mohlomi ,M (Mahlomola) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1218.7 | 793.7 | 1219.8 | 793.7 | 0 | 0 | 0 | 0 | ||||||
| 7 | Bosch ,A (Altus) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1207.3 | 1207.3 | 1210.6 | 1207.3 | 0 | 0 | 0 | 0 | ||||||
| 8 | Senatle ,K (Kamogelo) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1249.3 | 1674.3 | 1258.3 | 1674.3 | 0 | 0 | 0 | 0 | ||||||
| 9 | Reddy ,T (Thacian) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1092.1 | 667.1 | 1107.9 | 667.1 | 0 | 0 | 0 | 0 | ||||||
| 10 | Buchner ,E (Eduard) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1063.8 | 1063.8 | 1056.2 | 1063.8 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

