PLAYER PAGE
Personal
Iwabuchi, K (Konosuke)
Chess SA id
1130313433FIDE id
?Date of birth
2013-10-17 (U14)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-01-04Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1194.4 | 1200 | 1190.3 | 1200 |
| Raw rating | 1194.4 | 1200 | 1190.3 | 1200 |
| Weighted rating | 1193.5 | 1200 | 1188.7 | 1200 |
| Weighted performance | 0 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 167.1 | 165.8 | 168.1 | 165.8 |
| Highest rating | 12002024-11-01 | 12002024-11-01 | 12002024-11-01 | 12002024-11-01 |
| Highest raw rating | 12002024-11-01 | 12002024-11-01 | 12002024-11-01 | 12002024-11-01 |
| Highest weighted rating | 12002024-11-01 | 12002024-11-01 | 12002024-11-01 | 12002024-11-01 |
| Highest weighted performance | 12002024-11-01 | 12002024-11-01 | 12002024-11-01 | 12002024-11-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1194.4 | 1200 | 1190.3 | 1200 |
| Analysis | ||||
| Rating | 1194.4 | 1200 | 1190.3 | 1200 |
| Raw rating | 1194.4 | 1200 | 1190.3 | 1200 |
| Weighted rating | 1193.5 | 1200 | 1188.7 | |
| Weighted performance | 0 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 167.1 | 165.8 | 168.1 | 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 | 1194.4 | 1200 | 1190.3 | 1200 |
| New weighted rating | 1193.4 | 1200 | 1188.6 | 1200 |
| New weighted performance | 0 | 0 | 0 | 0 |
| Temp new rating | 1194.4 | 1200 | 1190.3 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1194.4 | 1200 | 1190.3 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 6 | 0 | 6 | 0 | |
| 6 | 0 | 6 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 12 | 0 | 12 | 0 |
| Games since | |||||||||||||||||
| Main12 | Standard0 | Rapid12 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U14 | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U14 | -1 | -1 | -1 | ||||||||||||||
| U14 Male | -1 | -1 | -1 | ||||||||||||||
| 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 | 6 | 2.5 | 41.67 | -70.8 | 1233 | 1162.2 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 6 | 2.5 | 41.67 | -70.8 | 1233 | 1162.2 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 12 | 4 | 33.33 | -141.7 | 1230.5 | 1088.9 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 12 | 4 | 33.33 | -141.7 | 1230.5 | 1088.9 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1194.4 | 1200 | 1190.3 | 1200 |
| 2025-09-30 | 1194.4 | 1200 | 1190.3 | 1200 |
| 2025-09-01 | 1194.4 | 1200 | 1190.3 | 1200 |
| 2025-08-01 | 1194.4 | 1200 | 1190.3 | 1200 |
| 2025-07-01 | 1194.4 | 1200 | 1190.3 | 1200 |
| 2025-06-01 | 1194.4 | 1200 | 1190.3 | 1200 |
| 2025-05-01 | 1194.4 | 1200 | 1190.3 | 1200 |
| 2025-04-01 | 1194.4 | 1200 | 1190.3 | 1200 |
| 2025-03-01 | 1194.4 | 1200 | 1190.3 | 1200 |
| 2025-02-01 | 1192.7 | 1200 | 1188.1 | 1200 |
| 2025-01-01 | 1168.8 | 1200 | 1145.6 | 1200 |
| 2024-12-01 | 1168.8 | 1200 | 1145.6 | 1200 |
| 2024-11-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-10-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-08-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-07-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-09-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-05-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-04-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-03-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-02-01 | 1200 | 1200 | 1200 | 1200 |
| 2024-01-01 | 1200 | 1200 | 1200 | 1200 |
| 2023-12-01 | 1200 | 1200 | 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 Kraaifontein Open Chess Championships (Rapid U14) | 2025-01-04 | 2025-01-04 | Rapid | Cape Town (WCT) | 6 | 6 | 2.5 | Yes | Analysis |
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Kraaifontein Open Chess Championships (Rapid U14) | 2025-01-04 | 2025-01-04 | Rapid | Cape Town (WCT) | 6 | 6 | 2.5 | Yes | Analysis |
| 2 | Chess Challengers Championship 2024 (U13) | 2024-11-23 | 2024-11-23 | Rapid | Cape Town (WCT) | 6 | 6 | 1.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2025 Kraaifontein Open Chess Championships | Tournament2025 Kraaifontein Open Chess Championships | ||||||
| date2025-01-04 | rnd6 | typeRapid | result1 | date2025-01-04 | rnd6 | typeRapid | result1 | ||
| OpponentRobinson, J (Jake) | OpponentRobinson, J (Jake) | ||||||||
| 2 | 1 | Tournament2025 Kraaifontein Open Chess Championships | Tournament2025 Kraaifontein Open Chess Championships | ||||||
| date2025-01-04 | rnd4 | typeRapid | result1 | date2025-01-04 | rnd4 | typeRapid | result1 | ||
| OpponentBrand, D (Dante) | OpponentBrand, D (Dante) | ||||||||
| 3 | 1 | Tournament2025 Kraaifontein Open Chess Championships | Tournament2025 Kraaifontein Open Chess Championships | ||||||
| date2025-01-04 | rnd2 | typeRapid | result0.5 | date2025-01-04 | rnd2 | typeRapid | result0.5 | ||
| OpponentHaig-Smith, N (Nathan) | OpponentHaig-Smith, N (Nathan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2025 Kraaifontein Open Chess Championships | Tournament2025 Kraaifontein Open Chess Championships | ||||||
| date2025-01-04 | rnd6 | typeRapid | result1 | date2025-01-04 | rnd6 | typeRapid | result1 | ||
| OpponentRobinson, J (Jake) | OpponentRobinson, J (Jake) | ||||||||
| 2 | 1 | Tournament2025 Kraaifontein Open Chess Championships | Tournament2025 Kraaifontein Open Chess Championships | ||||||
| date2025-01-04 | rnd4 | typeRapid | result1 | date2025-01-04 | rnd4 | typeRapid | result1 | ||
| OpponentBrand, D (Dante) | OpponentBrand, D (Dante) | ||||||||
| 3 | 1 | Tournament2025 Kraaifontein Open Chess Championships | Tournament2025 Kraaifontein Open Chess Championships | ||||||
| date2025-01-04 | rnd2 | typeRapid | result0.5 | date2025-01-04 | rnd2 | typeRapid | result0.5 | ||
| OpponentHaig-Smith, N (Nathan) | OpponentHaig-Smith, N (Nathan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2025 Kraaifontein Open Chess Championships | Tournament2025 Kraaifontein Open Chess Championships | ||||||
| date2025-01-04 | rnd6 | typeRapid | result1 | date2025-01-04 | rnd6 | typeRapid | result1 | ||
| OpponentRobinson, J (Jake) | OpponentRobinson, J (Jake) | ||||||||
| 2 | 1 | Tournament2025 Kraaifontein Open Chess Championships | Tournament2025 Kraaifontein Open Chess Championships | ||||||
| date2025-01-04 | rnd4 | typeRapid | result1 | date2025-01-04 | rnd4 | typeRapid | result1 | ||
| OpponentBrand, D (Dante) | OpponentBrand, D (Dante) | ||||||||
| 3 | 1 | TournamentChess Challengers Championship 2024 | TournamentChess Challengers Championship 2024 | ||||||
| date2024-11-23 | rnd2 | typeRapid | result1 | date2024-11-23 | rnd2 | typeRapid | result1 | ||
| OpponentKoegelenberg, O (Olivia) | OpponentKoegelenberg, O (Olivia) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2025 Kraaifontein Open Chess Championships | Tournament2025 Kraaifontein Open Chess Championships | ||||||
| date2025-01-04 | rnd6 | typeRapid | result1 | date2025-01-04 | rnd6 | typeRapid | result1 | ||
| OpponentRobinson, J (Jake) | OpponentRobinson, J (Jake) | ||||||||
| 2 | 1 | Tournament2025 Kraaifontein Open Chess Championships | Tournament2025 Kraaifontein Open Chess Championships | ||||||
| date2025-01-04 | rnd4 | typeRapid | result1 | date2025-01-04 | rnd4 | typeRapid | result1 | ||
| OpponentBrand, D (Dante) | OpponentBrand, D (Dante) | ||||||||
| 3 | 1 | TournamentChess Challengers Championship 2024 | TournamentChess Challengers Championship 2024 | ||||||
| date2024-11-23 | rnd2 | typeRapid | result1 | date2024-11-23 | rnd2 | typeRapid | result1 | ||
| OpponentKoegelenberg, O (Olivia) | OpponentKoegelenberg, O (Olivia) | ||||||||
| # | 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 | Robinson ,J (Jake) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1162.4 | 1587.4 | 0 | 0 | 1200 | 1587.4 | 0 | 0 | ||||||
| 2 | Rogers ,D (David) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1200 | 775 | 0 | 0 | 1200 | 775 | 0 | 0 | ||||||
| 3 | Mngqibisa ,P (Phila) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1158 | 733 | 0 | 0 | 1246.8 | 733 | 0 | 0 | ||||||
| 4 | Russell ,C (Caleb) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1200 | 775 | 0 | 0 | 1200 | 775 | 0 | 0 | ||||||
| 5 | James ,A (Ayden) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1270.8 | 845.8 | 0 | 0 | 1272.6 | 845.8 | 0 | 0 | ||||||
| 6 | Bessesen ,J (Joakim) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1386.5 | 961.5 | 0 | 0 | 1350.6 | 961.5 | 0 | 0 | ||||||
| 7 | Ismail ,Y (Yusha) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1201.4 | 776.4 | 0 | 0 | 1201.2 | 776.4 | 0 | 0 | ||||||
| 8 | Meissenheimer ,K (Kyle) | 1 | 0 | -425 | 0 | 0 | 0 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1357.3 | 932.3 | 0 | 0 | 1356 | 932.3 | 0 | 0 | ||||||
| 9 | Brand ,D (Dante) | 1 | 1 | 425 | 0 | 0 | 0 | 1 | 1 | 425 | 0 | 0 | 0 |
| 1200 | 1625 | 0 | 0 | 1200 | 1625 | 0 | 0 | ||||||
| 10 | Abrahams ,Z (Zion) | 1 | 0.5 | 0 | 0 | 0 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 0 | 0 | 1200 | 1200 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

