PLAYER PAGE
Personal
Geyer, J (Ju-Han)
Chess SA id
1130137398FIDE id
?Date of birth
2013-11-01 (U14)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
YesLast active game
2025-08-15Personal details last changed
1900-01-01Junior GPX Games
32Junior GPX Points
1199.8| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1161.6 | 1150.9 | 1200 | 1200 |
| Raw rating | 1161.6 | 1150.9 | 1200 | 1200 |
| Weighted rating | 1140.2 | 1128.2 | 1200 | 1200 |
| Weighted performance | 1136.8 | 1133.4 | 0 | 0 |
| Floor | 720.9 | 718.6 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 175.1 | 177.8 | 165.8 | 165.8 |
| Highest rating | 1220.92025-07-01 | 1218.62025-07-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1220.92025-07-01 | 1218.62025-07-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1220.92018-10-01 | 1218.62018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1220.92025-07-01 | 1218.62020-01-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1161.6 | 1150.9 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1161.6 | 1150.9 | 1200 | 1200 |
| Raw rating | 1161.6 | 1150.9 | 1200 | 1200 |
| Weighted rating | 1140.2 | 1128.2 | 1200 | |
| Weighted performance | 1136.8 | 1133.4 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 720.9 | 718.6 | 700 | 700 |
| Max/Min rating change allowed | 175.1 | 177.8 | 165.8 | 165.8 |
| 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 | 1161.6 | 1150.9 | 1200 | 1200 |
| New weighted rating | 1142.6 | 1130.8 | 1200 | 1200 |
| New weighted performance | 1136.4 | 1133 | 0 | 0 |
| Temp new rating | 1161.6 | 1150.9 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1161.6 | 1150.9 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 720.9 | 718.6 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 32 | 32 | 0 | 0 | |
| 4 | 4 | 0 | 0 | |
| 9 | 9 | 0 | 0 | |
| 1 | 1 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 46 | 46 | 0 | 0 |
| Games since | |||||||||||||||||
| Main41 | Standard41 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 4223 | 1350 | 483 | ||||||||||||||
| Male | 3137 | 1019 | 362 | ||||||||||||||
| U14 | 836 | 265 | 93 | ||||||||||||||
| U14 Male | 583 | 186 | 67 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 4195 | 1467 | 569 | ||||||||||||||
| Male | 3104 | 1109 | 429 | ||||||||||||||
| U14 | 844 | 291 | 108 | ||||||||||||||
| U14 Male | 585 | 207 | 79 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 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 | 32 | 13.5 | 42.19 | -66.4 | 1250.8 | 1184.4 |
| Standard | 32 | 13.5 | 42.19 | -66.4 | 1250.8 | 1184.4 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 46 | 16.5 | 35.87 | -120.1 | 1241.8 | 1121.7 |
| Standard | 46 | 16.5 | 35.87 | -120.1 | 1241.8 | 1121.7 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-09-30 | 1161.6 | 1150.9 | 1200 | 1200 |
| 2025-09-01 | 1161.6 | 1150.9 | 1200 | 1200 |
| 2025-08-01 | 1220.9 | 1218.6 | 1200 | 1200 |
| 2025-07-01 | 1220.9 | 1218.6 | 1200 | 1200 |
| 2025-06-01 | 1149.5 | 1145 | 1200 | 1200 |
| 2025-05-01 | 1117 | 1102.9 | 1200 | 1200 |
| 2025-04-01 | 1117 | 1102.9 | 1200 | 1200 |
| 2025-03-01 | 1117 | 1102.9 | 1200 | 1200 |
| 2025-02-01 | 1116.7 | 1101.1 | 1200 | 1200 |
| 2025-01-01 | 1111.1 | 1094 | 1200 | 1200 |
| 2024-12-01 | 1111.1 | 1094 | 1200 | 1200 |
| 2024-11-01 | 1111.1 | 1094 | 1200 | 1200 |
| 2024-10-01 | 1111.1 | 1094 | 1200 | 1200 |
| 2024-09-01 | 1111.1 | 1094 | 1200 | 1200 |
| 2024-08-01 | 1111.1 | 1094 | 1200 | 1200 |
| 2024-07-01 | 1111.1 | 1094 | 1200 | 1200 |
| 2024-06-01 | 1124 | 1110.8 | 1200 | 1200 |
| 2024-08-01 | 1124 | 1110.8 | 1200 | 1200 |
| 2024-04-01 | 1124 | 1110.8 | 1200 | 1200 |
| 2024-03-01 | 1124 | 1110.8 | 1200 | 1200 |
| 2024-02-01 | 1124 | 1110.8 | 1200 | 1200 |
| 2024-01-01 | 1124 | 1110.8 | 1200 | 1200 |
| 2023-12-01 | 1124 | 1110.8 | 1200 | 1200 |
| 2023-11-01 | 1124 | 1110.8 | 1200 | 1200 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Tshwane South School District CLOSED League Championship (U13A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 1.5 | Yes | Analysis |
| 2 | 2025 Etienne Lewis Closed Chess Tournament (U14) | 2025-08-08 | 2025-08-10 | Standard | Tshwane (GTP) | 7 | 7 | 2 | Yes | Analysis |
| 3 | 2025 Elise Steenkamp Open Chess Tournament (Bishop) | 2025-06-14 | 2025-06-15 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 4 | 2025 JMCA Open Chess Tournament (D) | 2025-06-07 | 2025-06-07 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 5 | 2025 Silver Lakes Chess Club Open Chess Tournament (D) | 2025-05-03 | 2025-05-03 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 6 | Constantiapark Open 2025 (D) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Tshwane South School District CLOSED League Championship (U13A) | 2025-08-15 | 2025-08-15 | Standard | Tshwane (GTP) | 5 | 5 | 1.5 | Yes | Analysis |
| 2 | 2025 Etienne Lewis Closed Chess Tournament (U14) | 2025-08-08 | 2025-08-10 | Standard | Tshwane (GTP) | 7 | 7 | 2 | Yes | Analysis |
| 3 | 2025 Elise Steenkamp Open Chess Tournament (Bishop) | 2025-06-14 | 2025-06-15 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 4 | 2025 JMCA Open Chess Tournament (D) | 2025-06-07 | 2025-06-07 | Standard | Tshwane (GTP) | 5 | 5 | 2.5 | Yes | Analysis |
| 5 | 2025 Silver Lakes Chess Club Open Chess Tournament (D) | 2025-05-03 | 2025-05-03 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 6 | Constantiapark Open 2025 (D) | 2025-02-15 | 2025-02-15 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 7 | 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) | 2024-06-01 | 2024-06-01 | Standard | Tshwane (GTP) | 5 | 4 | 1 | Yes | Analysis |
| 8 | Lardies Open Tournament 2023 (D2) | 2023-10-28 | 2023-10-28 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 9 | Laerskool Constantiapark Open Chess Tournament 2023 (U12) | 2023-02-18 | 2023-02-18 | Standard | Tshwane (GTP) | 5 | 4 | 0 | Yes | Analysis |
| 10 | CP Ope 2022 (D2) | 2022-02-19 | 2022-02-19 | Standard | Tshwane (GTP) | 5 | 1 | 0 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2025 Silver Lakes Chess Club Open Chess Tournament | Tournament2025 JMCA Open Chess Tournament | ||||||
| date2025-05-03 | rnd3 | typeStandard | result1 | date2025-06-07 | rnd1 | typeStandard | result1 | ||
| OpponentPooe, L (Lebogang) | OpponentHuman, S (Samuel) | ||||||||
| 2 | 3 | Tournament2025 Elise Steenkamp Open Chess Tournament | Tournament2025 Elise Steenkamp Open Chess Tournament | ||||||
| date2025-06-14 | rnd2 | typeStandard | result1 | date2025-06-15 | rnd4 | typeStandard | result1 | ||
| OpponentTalma, C (Christiaan) | OpponentBogaard, A (Anneke) | ||||||||
| 3 | 1 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd5 | typeStandard | result0.5 | date2025-08-15 | rnd5 | typeStandard | result0.5 | ||
| OpponentMushwana, N (Nhlawuleko) | OpponentMushwana, N (Nhlawuleko) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2025 Silver Lakes Chess Club Open Chess Tournament | Tournament2025 JMCA Open Chess Tournament | ||||||
| date2025-05-03 | rnd3 | typeStandard | result1 | date2025-06-07 | rnd1 | typeStandard | result1 | ||
| OpponentPooe, L (Lebogang) | OpponentHuman, S (Samuel) | ||||||||
| 2 | 3 | Tournament2025 Elise Steenkamp Open Chess Tournament | Tournament2025 Elise Steenkamp Open Chess Tournament | ||||||
| date2025-06-14 | rnd2 | typeStandard | result1 | date2025-06-15 | rnd4 | typeStandard | result1 | ||
| OpponentTalma, C (Christiaan) | OpponentBogaard, A (Anneke) | ||||||||
| 3 | 1 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd5 | typeStandard | result0.5 | date2025-08-15 | rnd5 | typeStandard | result0.5 | ||
| OpponentMushwana, N (Nhlawuleko) | OpponentMushwana, N (Nhlawuleko) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2025 Silver Lakes Chess Club Open Chess Tournament | Tournament2025 JMCA Open Chess Tournament | ||||||
| date2025-05-03 | rnd3 | typeStandard | result1 | date2025-06-07 | rnd1 | typeStandard | result1 | ||
| OpponentPooe, L (Lebogang) | OpponentHuman, S (Samuel) | ||||||||
| 2 | 1 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd1 | typeStandard | result1 | date2025-08-15 | rnd1 | typeStandard | result1 | ||
| OpponentRamasobana, L (Lerato) | OpponentRamasobana, L (Lerato) | ||||||||
| 3 | 1 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Etienne Lewis Closed Chess Tournament | ||||||
| date2025-08-10 | rnd6 | typeStandard | result1 | date2025-08-10 | rnd6 | typeStandard | result1 | ||
| OpponentDay, A (Ayden) | OpponentDay, A (Ayden) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Tournament2025 Silver Lakes Chess Club Open Chess Tournament | Tournament2025 JMCA Open Chess Tournament | ||||||
| date2025-05-03 | rnd3 | typeStandard | result1 | date2025-06-07 | rnd1 | typeStandard | result1 | ||
| OpponentPooe, L (Lebogang) | OpponentHuman, S (Samuel) | ||||||||
| 2 | 1 | Tournament2025 Tshwane South School District CLOSED League Championship | Tournament2025 Tshwane South School District CLOSED League Championship | ||||||
| date2025-08-15 | rnd1 | typeStandard | result1 | date2025-08-15 | rnd1 | typeStandard | result1 | ||
| OpponentRamasobana, L (Lerato) | OpponentRamasobana, L (Lerato) | ||||||||
| 3 | 1 | Tournament2025 Etienne Lewis Closed Chess Tournament | Tournament2025 Etienne Lewis Closed Chess Tournament | ||||||
| date2025-08-10 | rnd6 | typeStandard | result1 | date2025-08-10 | rnd6 | typeStandard | result1 | ||
| OpponentDay, A (Ayden) | OpponentDay, A (Ayden) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | 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 | Visser ,A (Aaron) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1311.1 | 886.1 | 1304.9 | 886.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Day ,A (Ayden) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1204.9 | 1629.9 | 1205.4 | 1629.9 | 0 | 0 | 0 | 0 | ||||||
| 3 | Le Roux ,R (Reuben) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1227.3 | 802.3 | 1220 | 802.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Stander ,C (Christiaan) | 2 | 2 | 425 | 2 | 2 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1145.5 | 1570.5 | 1137.1 | 1570.5 | 0 | 0 | 0 | 0 | ||||||
| 5 | Pretorius ,P (Pieter) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1234.9 | 1234.9 | 1225.6 | 1234.9 | 0 | 0 | 0 | 0 | ||||||
| 6 | Swart ,J (Juan-Franco) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1267.1 | 842.1 | 1249.5 | 842.1 | 0 | 0 | 0 | 0 | ||||||
| 7 | Sutherland ,K (Kiona) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1228.5 | 803.5 | 1223 | 803.5 | 0 | 0 | 0 | 0 | ||||||
| 8 | Du Toit ,J (Janco) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1243.1 | 1243.1 | 1247.7 | 1243.1 | 0 | 0 | 0 | 0 | ||||||
| 9 | Pooe ,L (Lebogang) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1178.7 | 1603.7 | 1176.6 | 1603.7 | 0 | 0 | 0 | 0 | ||||||
| 10 | De Klerk ,A (Antonie) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1177.2 | 752.2 | 1178.3 | 752.2 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|