Chess tournament overview
Country: Japan
Tournament date: 2020-08-08 to 2020-08-10
Tournament registration: (Search in Google)
Game time: 60m + 30s/move, 7R-swiss
Valid for ELO: Elo FIDE and national
Organizer of the chess tournament and contact
Organizer: Osaka Abeno Chess Club
Main referee: FA Yamada Akihiro 7002874
Schedule: Osaka Natsunojin Open 大阪夏の陣
| Round | Date | Time |
|---|---|---|
| 1 | 2020/08/08 | 13:00 |
| 2 | 2020/08/08 | 16:30 |
| 3 | 2020/08/09 | 9:45 |
| 4 | 2020/08/09 | 14:00 |
| 5 | 2020/08/09 | 17:20 |
| 6 | 2020/08/10 | 10:00 |
| 7 | 2020/08/10 | 14:00 |
Players registered in Osaka Natsunojin Open 大阪夏の陣
| No. | Country | Title | Name | Elo FIDE | Elo National | Variation |
|---|---|---|---|---|---|---|
| 1 |  |
Okada Mitsuhiro | 1883 | 1838 | -14 | |
| 2 | |
WCM | Kojima Natsumi | 1736 | 1746 | 0 |
| 3 | |
Takayasu Nobuyuki | 1628 | 1554 | -25 | |
| 4 | |
Takayasu Melody | 1620 | 1709 | 23 | |
| 5 | |
Tomii Yoshikatsu | 1616 | 1738 | 50 | |
| 6 | |
Akai Kiyotaka | 1549 | 1844 | 3 | |
| 7 | |
Diba Seyed Reza | 1430 | 1412 | -40 | |
| 8 | |
Sakaue Kaoru | 1357 | 1147 | 17 | |
| 9 | |
Koike Atsushi | 0 | 1995 | 0 | |
| 10 | |
Takashima Bunji | 0 | 1959 | 0 | |
| 11 | |
Kawachi Itsuki | 0 | 1613 | 0 | |
| 12 | |
Tabe Masaharu | 0 | 1608 | 0 | |
| 13 | |
Maeda Kazuki | 0 | 1180 | 0 | |
| 14 | |
Fukata Akiko | 0 | 0 | 0 | |
| 15 | |
Nozaki Yuto | 0 | 0 | 0 | |
| 16 | |
Viala Davy | 0 | 0 | 0 | |
| 17 | |
Nozaki Yuto | 0 | 0 | 0 |
Players starting rank
| Initial rank | Country | Title | Name | FIDE elo | National elo | Variation |
|---|---|---|---|---|---|---|
| 1 | |
Okada Mitsuhiro | 1883 | 1838 | -14 | |
| 2 | |
WCM | Kojima Natsumi | 1736 | 1746 | 0 |
| 3 | |
Takayasu Nobuyuki | 1628 | 1554 | -25 | |
| 4 | |
Takayasu Melody | 1620 | 1709 | 23 | |
| 5 | |
Tomii Yoshikatsu | 1616 | 1738 | 50 | |
| 6 | |
Akai Kiyotaka | 1549 | 1844 | 3 | |
| 7 | |
Diba Seyed Reza | 1430 | 1412 | -40 | |
| 8 | |
Sakaue Kaoru | 1357 | 1147 | 17 | |
| 9 | |
Koike Atsushi | 0 | 1995 | 0 | |
| 10 | |
Takashima Bunji | 0 | 1959 | 0 | |
| 11 | |
Kawachi Itsuki | 0 | 1613 | 0 | |
| 12 | |
Tabe Masaharu | 0 | 1608 | 0 | |
| 13 | |
Maeda Kazuki | 0 | 1180 | 0 | |
| 14 | |
Fukata Akiko | 0 | 0 | 0 | |
| 15 | |
Nozaki Yuto | 0 | 0 | 0 | |
| 16 | |
Viala Davy | 0 | 0 | 0 | |
| 17 | |
Nozaki Yuto | 0 | 0 | 0 |
Players starting rank
| No. | Titulo | Nombre | FIDE-ID | FED | FIDE | EloN |
|---|---|---|---|---|---|---|
| 1 | Okada Mitsuhiro | 7000650 | JPN | 1883 | 1838 | |
| 2 | WCM | Kojima Natsumi | 7002181 | JPN | 1736 | 1746 |
| 3 | Takayasu Nobuyuki | 7000189 | JPN | 1628 | 1554 | |
| 4 | Takayasu Melody | 7003501 | JPN | 1620 | 1709 | |
| 5 | Tomii Yoshikatsu | 7003013 | JPN | 1616 | 1738 | |
| 6 | Akai Kiyotaka | 30917778 | JPN | 1549 | 1844 | |
| 7 | Diba Seyed Reza | 7000081 | JPN | 1430 | 1412 | |
| 8 | Sakaue Kaoru | 7003790 | JPN | 1357 | 1147 | |
| 9 | Koike Atsushi | 7000804 | JPN | 0 | 1995 | |
| 10 | Takashima Bunji | 7004320 | JPN | 0 | 1959 | |
| 11 | Kawachi Itsuki | 7004281 | JPN | 0 | 1613 | |
| 12 | Tabe Masaharu | 7004311 | JPN | 0 | 1608 | |
| 13 | Maeda Kazuki | 7004290 | JPN | 0 | 1180 | |
| 14 | Fukata Akiko | 7004338 | JPN | 0 | 0 | |
| 15 | Nozaki Yuto | 7004303 | JPN | 0 | 0 | |
| 16 | Viala Davy | 7004346 | JPN | 0 | 0 |
Round 1
| M. | No. | Name | Gr | Tipo | Pts. | Result | Pts. | Name | GrB | TipoB | No. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | Koike Atsushi | 0 | ½ - ½ | 0 | WCM | Kojima Natsumi | 2 | |||||
| 2 | 11 | Kawachi Itsuki | 0 | 1 - 0 | 0 | Takayasu Nobuyuki | 3 | ||||||
| 3 | 4 | Takayasu Melody | 0 | 1 - 0 | 0 | Tabe Masaharu | 12 | ||||||
| 4 | 13 | Maeda Kazuki | 0 | 0 - 1 | 0 | Tomii Yoshikatsu | 5 | ||||||
| 5 | 6 | Akai Kiyotaka | 0 | 1 - 0 | 0 | Viala Davy | 16 | ||||||
| 6 | 14 | Fukata Akiko | 0 | 0 - 1 | 0 | Diba Seyed Reza | 7 | ||||||
| 7 | 8 | Sakaue Kaoru | 0 | 1 - 0 | 0 | Nozaki Yuto | 15 | ||||||
| 8 | 10 | Takashima Bunji | 0 | ½ | bye | ||||||||
| 9 | 1 | Okada Mitsuhiro | 0 | ½ | not paired |
Round 2
| M. | No. | Name | Gr | Tipo | Pts. | Result | Pts. | Name | GrB | TipoB | No. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Diba Seyed Reza | 1 | 0 - 1 | 1 | Takayasu Melody | 4 | ||||||
| 2 | 5 | Tomii Yoshikatsu | 1 | 1 - 0 | 1 | Sakaue Kaoru | 8 | ||||||
| 3 | 11 | Kawachi Itsuki | 1 | ½ - ½ | 1 | Akai Kiyotaka | 6 | ||||||
| 4 | 1 | Okada Mitsuhiro | ½ | ½ - ½ | ½ | Koike Atsushi | 9 | ||||||
| 5 | 2 | WCM | Kojima Natsumi | ½ | ½ - ½ | ½ | Takashima Bunji | 10 | |||||
| 6 | 3 | Takayasu Nobuyuki | 0 | 1 - 0 | 0 | Viala Davy | 16 | ||||||
| 7 | 12 | Tabe Masaharu | 0 | 1 - 0 | 0 | Fukata Akiko | 14 | ||||||
| 8 | 15 | Nozaki Yuto | 0 | 1 - 0 | 0 | Maeda Kazuki | 13 |
Round 3
| M. | No. | Name | Gr | Tipo | Pts. | Result | Pts. | Name | GrB | TipoB | No. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Takayasu Melody | 2 | 0 - 1 | 2 | Tomii Yoshikatsu | 5 | ||||||
| 2 | 6 | Akai Kiyotaka | 1½ | 0 - 1 | 1 | Okada Mitsuhiro | 1 | ||||||
| 3 | 2 | WCM | Kojima Natsumi | 1 | 1 - 0 | 1½ | Kawachi Itsuki | 11 | |||||
| 4 | 9 | Koike Atsushi | 1 | 1 - 0 | 1 | Takayasu Nobuyuki | 3 | ||||||
| 5 | 10 | Takashima Bunji | 1 | 1 - 0 | 1 | Diba Seyed Reza | 7 | ||||||
| 6 | 8 | Sakaue Kaoru | 1 | 0 - 1 | 1 | Tabe Masaharu | 12 | ||||||
| 7 | 14 | Fukata Akiko | 0 | 0 - 1 | 1 | Nozaki Yuto | 15 | ||||||
| 8 | 16 | Viala Davy | 0 | 0 - 1 | 0 | Maeda Kazuki | 13 |
Round 4
| M. | No. | Name | Gr | Tipo | Pts. | Result | Pts. | Name | GrB | TipoB | No. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tomii Yoshikatsu | 3 | 0 - 1 | 2 | Koike Atsushi | 9 | ||||||
| 2 | 1 | Okada Mitsuhiro | 2 | ½ - ½ | 2 | Takashima Bunji | 10 | ||||||
| 3 | 12 | Tabe Masaharu | 2 | ½ - ½ | 2 | WCM | Kojima Natsumi | 2 | |||||
| 4 | 15 | Nozaki Yuto | 2 | ½ - ½ | 2 | Takayasu Melody | 4 | ||||||
| 5 | 3 | Takayasu Nobuyuki | 1 | 0 - 1 | 1½ | Akai Kiyotaka | 6 | ||||||
| 6 | 7 | Diba Seyed Reza | 1 | 1 - 0 | 1½ | Kawachi Itsuki | 11 | ||||||
| 7 | 13 | Maeda Kazuki | 1 | 0 - 1 | 1 | Sakaue Kaoru | 8 | ||||||
| 8 | 16 | Viala Davy | 0 | 1 - 0 | 0 | Fukata Akiko | 14 |
Round 5
| M. | No. | Name | Gr | Tipo | Pts. | Result | Pts. | Name | GrB | TipoB | No. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Akai Kiyotaka | 2½ | 0 - 1 | 3 | Tomii Yoshikatsu | 5 | ||||||
| 2 | 9 | Koike Atsushi | 3 | 1 - 0 | 2½ | Tabe Masaharu | 12 | ||||||
| 3 | 4 | Takayasu Melody | 2½ | 1 - 0 | 2½ | Okada Mitsuhiro | 1 | ||||||
| 4 | 2 | WCM | Kojima Natsumi | 2½ | 1 - 0 | 2½ | Nozaki Yuto | 15 | |||||
| 5 | 10 | Takashima Bunji | 2½ | 1 - 0 | 2 | Sakaue Kaoru | 8 | ||||||
| 6 | 13 | Maeda Kazuki | 1 | 0 - 1 | 2 | Diba Seyed Reza | 7 | ||||||
| 7 | 11 | Kawachi Itsuki | 1½ | 1 - 0 | 1 | Viala Davy | 16 | ||||||
| 8 | 14 | Fukata Akiko | 0 | 0 - 1 | 1 | Takayasu Nobuyuki | 3 |
Round 6
| M. | No. | Name | Gr | Tipo | Pts. | Result | Pts. | Name | GrB | TipoB | No. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tomii Yoshikatsu | 4 | ½ - ½ | 3½ | Takashima Bunji | 10 | ||||||
| 2 | 4 | Takayasu Melody | 3½ | ½ - ½ | 4 | Koike Atsushi | 9 | ||||||
| 3 | 7 | Diba Seyed Reza | 3 | 0 - 1 | 3½ | WCM | Kojima Natsumi | 2 | |||||
| 4 | 1 | Okada Mitsuhiro | 2½ | 1 - 0 | 2½ | Kawachi Itsuki | 11 | ||||||
| 5 | 12 | Tabe Masaharu | 2½ | 1 - 0 | 2½ | Akai Kiyotaka | 6 | ||||||
| 6 | 15 | Nozaki Yuto | 2½ | 0 - 1 | 2 | Takayasu Nobuyuki | 3 | ||||||
| 7 | 8 | Sakaue Kaoru | 2 | 1 - 0 | 1 | Viala Davy | 16 | ||||||
| 8 | 14 | Fukata Akiko | 0 | 0 - 1 | 1 | Maeda Kazuki | 13 |
Round 7
| M. | No. | Name | Gr | Tipo | Pts. | Result | Pts. | Name | GrB | TipoB | No. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | WCM | Kojima Natsumi | 4½ | ½ - ½ | 4½ | Tomii Yoshikatsu | 5 | |||||
| 2 | 10 | Takashima Bunji | 4 | ½ - ½ | 4½ | Koike Atsushi | 9 | ||||||
| 3 | 3 | Takayasu Nobuyuki | 3 | ½ - ½ | 4 | Takayasu Melody | 4 | ||||||
| 4 | 12 | Tabe Masaharu | 3½ | 1 - 0 | 3½ | Okada Mitsuhiro | 1 | ||||||
| 5 | 8 | Sakaue Kaoru | 3 | 1 - 0 | 3 | Diba Seyed Reza | 7 | ||||||
| 6 | 6 | Akai Kiyotaka | 2½ | 1 - 0 | 2 | Maeda Kazuki | 13 | ||||||
| 7 | 16 | Viala Davy | 1 | 0 - 1 | 2½ | Nozaki Yuto | 15 | ||||||
| 8 | 11 | Kawachi Itsuki | 2½ | 1 - 0 | 0 | Fukata Akiko | 14 |
Players ranking
| Rk. | No.Ini. | Name | FED | FIDE | EloN | Pts. | Des 1 | Des 2 | Des 3 | n | w | we | w-we | K | elo+/- | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | Koike Atsushi | JPN | 0 | 1995 | 5,0 | 30,5 | 22,0 | 21,75 | 5 | 3,5 | |||||
| 2 | 2 | WCM | Kojima Natsumi | JPN | 1736 | 1746 | 5,0 | 29,0 | 21,0 | 19,50 | 2 | 1,5 | 1,52 | -0,02 | 20 | -0,4 |
| 3 | 5 | Tomii Yoshikatsu | JPN | 1616 | 1738 | 5,0 | 28,5 | 21,5 | 18,75 | 4 | 3,5 | 2,24 | 1,26 | 40 | 50,4 | |
| 4 | 10 | Takashima Bunji | JPN | 0 | 1959 | 4,5 | 29,0 | 21,0 | 18,00 | 5 | 3,5 | |||||
| 5 | 4 | Takayasu Melody | JPN | 1620 | 1709 | 4,5 | 28,0 | 20,0 | 17,00 | 4 | 2,5 | 1,93 | 0,57 | 40 | 22,8 | |
| 6 | 12 | Tabe Masaharu | JPN | 0 | 1608 | 4,5 | 25,5 | 20,5 | 13,50 | 5 | 3,5 | |||||
| 7 | 8 | Sakaue Kaoru | JPN | 1357 | 1147 | 4,0 | 23,5 | 17,5 | 9,50 | 2 | 1 | 0,58 | 0,42 | 40 | 16,8 | |
| 8 | 1 | Okada Mitsuhiro | JPN | 1883 | 1838 | 3,5 | 29,0 | 20,5 | 13,50 | 2 | 1 | 1,70 | -0,70 | 20 | -14,0 | |
| 9 | 6 | Akai Kiyotaka | JPN | 1549 | 1844 | 3,5 | 23,0 | 17,0 | 8,25 | 3 | 1 | 0,92 | 0,08 | 40 | 3,2 | |
| 10 | 3 | Takayasu Nobuyuki | JPN | 1628 | 1554 | 3,5 | 21,0 | 16,0 | 6,75 | 2 | 0,5 | 1,12 | -0,62 | 40 | -24,8 | |
| 11 | 15 | Nozaki Yuto | JPN | 0 | 0 | 3,5 | 20,0 | 15,0 | 5,25 | 4 | 0,5 | |||||
| 12 | 11 | Kawachi Itsuki | JPN | 0 | 1613 | 3,5 | 19,5 | 14,5 | 6,25 | 5 | 1,5 | |||||
| 13 | 7 | Diba Seyed Reza | JPN | 1430 | 1412 | 3,0 | 23,5 | 18,5 | 5,50 | 3 | 0 | 0,99 | -0,99 | 40 | -39,6 | |
| 14 | 13 | Maeda Kazuki | JPN | 0 | 1180 | 2,0 | 20,0 | 15,0 | 1,00 | 4 | 0 | |||||
| 15 | 16 | Viala Davy | JPN | 0 | 0 | 1,0 | 20,0 | 16,0 | 0,00 | 3 | 0 | |||||
| 16 | 14 | Fukata Akiko | JPN | 0 | 0 | 0,0 | 21,0 | 15,5 | 0,00 | 2 | 0 |