64th NHK Cup (shogi)

The 64th NHK Cup, or as it is officially known the 64th NHK Cup TV Shogi Tournament (第64回NHK杯テレビ将棋トーナメント, dairokujūyonkai enueichikeihai terebi shōgi tōnamento) was a professional shogi tournament organized by the Japan Shogi Association and sponsored by Japan's public broadcaster NHK. Play began on April 6, 2014, and ended on March 22, 2015. The 50-player single elimination tournament was won by Toshiyuki Moriuchi. All of the tournament games were shown on NHK-E. The host (司会者, shikaisha) during the NHK-E broadcasts was female professional Ichiyo Shimizu.[1]

Participants

Preliminary tournaments

A total of 128 shogi professionals competed in 18 preliminary tournaments to qualify for the main tournament. These tournaments were untelevised one-day tournaments held at the Tokyo Shogi Kaikan and Kansai Shogi Kaikan. Each tournament consisted of seven or eight players. The initial time control for each player was 20 minutes followed by a 30-second byōyomi.[2]

The female professional seed was determined by a single-game playoff between Tomomi Kai 2-crown (Women's ōi and Kurashiki Tōka) and Manao Kagawa (Women's ōshō), which was won by Kagawa.[3] Brackets from two of the preliminary tournaments are shown below.

7-player preliminary tournament won by Yasuaki Tsukuda 9d
8-player preliminary tournament won by Hiroshi Kobayashi 7d

Main tournament

The first time control for main tournament games was ten minutes per player. Once this was used up, a second time control of 10 one-minute periods of "thinking time" (考慮時間, kōryō jikan) began. Each player was given 30 seconds to make their move. If they did so, then no thinking time periods were used. If, however, they did not, a thinking time period began and they then had up to one minute (more specifically 59 seconds) to make a move before entering the next thinking time period. This process was repeated until a player had used all ten thinking time periods when the final byōyomi time control of 30 seconds per move began.[4] Sente was determined prior to each game by piece toss.

The 50 players listed below qualified for the main tournament.

No.NameRank/Title
A1Masataka Gōda (23)NHK Cup
A2Kōji Tosa (12)7d
A3Takanori Hashimoto (10)8d
A4Manao Kagawa (1)W3d[lower-alpha 1]
A5Manabu Kumasaka (1)5d
A6Shin'ichi Satō (1)4d
A7Mamoru Hatakeyama (17)7d
A8Kōji Tanigawa (35)9d
A9Hiroshi Kobayashi (9)7d
A10Daisuke Suzuki (18)8d
A11Kōru Abe (3)4d
A12Kōta Kanai (4)5d
A13Toshiaki Kubo (19)9d
A14Hisashi Namekata (18)8d
A15Shingo Sawada (2)5d
A16Takuya Nagase (4)6d
A17Takeshi Fujii (20)9d
A18Hiromu Watanabe (1)4d
A19Yasumitsu Satō (26)9d
A20Akira Watanabe (13)2 crown
A21Takashi Abe (20)8d
A22Yūki Sasaki (2)4d
A23Akira Inaba (2)7d
A24Kōsuke Tamura (10)7d
A25Tadashi Ōishi (4)6d
No.NameRank/Title
B1Tadahisa Maruyama (24)9d
B2Ryōsuke Nakamura (2)5d
B3Ayumu Matsuo (11)7d
B4Chikara Akutsu (10)8d
B5Yūji Masuda (4)6d
B6Issei Takazaki (4)6d
B7Tatsuya Sugai (3)5d
B8Yoshiharu Habu (29)3 crown
B9Takeshi Kawakami (6)6d
B10Michio Takahashi (34)9d
B11Kazuki Kimura (16)8d
B12Amahiko Satō (6)7d
B13Toshiyuki Moriuchi (26)2 crown
B14Hiroyuki Miura (19)9d
B15Kensuke Kitahama (14)8d
B16Masayuki Toyoshima (6)7d
B17Akihito Hirose (8)8d
B18Taku Morishita (24)9d
B19Kōichi Fukaura (22)9d
B20Nobuyuki Yashiki (18)9d
B21Kōzō Arimori (4)6d
B22Takayuki Yamasaki (14)8d
B23Hiroki Iizuka (6)7d
B24Yasuaki Tsukada (22)9d
B25Kazuhiro Nishikawa (3)4d

Notes:

  • "No." represents the bracket position of the player in their respective block and "Rank/Title" represents the rank or titles held by the player when the original bracket finalized. A dan/ grading system is used for ranking players. The number in parenthesis after each player's name represents the number of times said player has appeared in the main tournament.[5]
  • Players whose names are in bold were seeded directly into the main tournament as follows:[lower-alpha 2]
  1. 63rd NHK Cup (four players): Gōda (champion), Maruyama (runner-up), Ōishi (semifinalist) and Nishikawa (semifinalist).
  2. Seven major titleholders (three players): Moriuchi (Meijin and Ryūō), Habu (ōza, ōi, and Kisei), Watanabe (Kiō and ōshō)
  3. Class A (seven players): Miura, Yashiki, Y. Satō, Fukaura, Tanigawa, Namekata and Kubo
  4. Class B1 (twelve players): Takahashi, Hashimoto, Yamasaki, Matsuo, Kimura, Hatakeyama, Hirose, Akutsu, Suzuki, Iizuka, Fujii and Toyoshima
  5. Other tournament winners (two players): Inaba (Ginga-sen), Sasaki (Kakogawa Seiryū-sen)
  6. Women's professional (one player): Kagawa (Women's ōshō)
  7. Others with outstanding records (three players): Sugai (Class C1), Nagase (Class C2) and K. Abe (Class C2)[lower-alpha 3]
Among these 32 seeds, the following 14 were given byes in round 1 and began play in round 2: Gōda, Maruyama, Ōishi, Nishikawa, Moriuchi, Habu, Watanabe, Miura, Yashiki, Y. Satō, Fukaura, Tanigawa, Namekata and Kubo.
  • The remaining players qualified by winning preliminary tournaments.

The bracket at the start of the tournament is shown below.

 64th NHK Cup TV Shogi Tournament bracket (start)

Results

Round 1

A total of 18 games were played in round 1. Play began on April 6, 2014, and ended on August 3, 2014. The 18 preliminary tournament winners were paired against 18 seeded players. Out of the four players who qualified for the main tournament for the first time, only Manabu Kumasaka was able to make it to the second round. Namekata and Sawada actually had to play two games before a winner was determined. The first game between the two lasted more than two hours before ending in impasse after 252 moves. A second game with sente-gote reversed was then played at a time control of 5 one-minute "thinking periods" followed by a byōyomi of 30 seconds per move and Namekata won in 88 moves.[7][8]

No.BlockSenteGote[lower-alpha 4]No. of movesDateGuest Analyst
1BAyumu Matsuo 7dRyōsuke Nakamura 5d101April 6, 2014Masataka Gōda NHK Cup
2AKōsuke Tamura 7dAkira Inaba 7d100April 13, 2014Isao Nakata 7d
3AKōta Kanai 5dKōru Abe 4d223April 20, 2014Yasuaki Murayama 7d
4BMichio Takahashi 9dTakeshi Kawakami 6d103April 27, 2014Hisashi Namekata 8d
5ATakuya Nagase 6dShingo Sawada 5d104May 4, 2014Tadashi Ōishi 6d
6AYūki Sasaki 5d[lower-alpha 5]Takashi Abe 8d123May 11, 2014Manabu Senzaki 9d
7BTakayuki Yamasaki 8dKōzō Arimori 6d91May 18, 2014Keita Inoue 9d
8AHiromu Watanabe 4dTakeshi Fujii 9d160May 25, 2014Kazuo Ishida 9d
9BHiroki Iizuka 7dYasuaki Tsukuda 9d97June 1, 2014Taku Morishita 9d
10AKōji Tosa 7dTakanori Hashimoto 8d108June 8, 2014Daisuke Nakagawa 8d
11AHiroshi Kobayashi 7dDaisuke Suzuki 8d165June 15, 2014Takashi Abe 8d
12BAkihito Hirose 8dTaku Morishita 9d114June 22, 2014Chikara Akutsu 8d
13BTatsuya Sugai 5dIssei Takazaki 6d103June 29, 2014Makoto Tobe 6d
14BYūji Masuda 6dChikara Akutsu 8d87July 6, 2014Takayuki Yamasaki 8d
15BMasayuki Toyoshima 7dKensuke Kitahama 8d73July 13, 2014Mamoru Hatakeyama 7d
16BKazuki Kimura 8dAmahiko Satō 7d109July 20, 2014Akira Watanabe 2 crown
17AMamoru Hatakeyama 7dShinichi Satō 4d97July 27, 2014Takanori Hashimoto 8d
18AManao Kagawa W3dManabu Kumasaka 5d96August 3, 2014Osamu Nakamura 9d

Round 2

Round 2 began August 10 and lasted until November 23, 2014. A total of 16 games were played with 14 players receiving first round byes joining the nine winners from round 1. For the second year in a row multiple major titleholder Akira Watanabe loses in round 2. Also, for the second year in a row, Kōta Kanai beats Toshiaki Kubo in the round 2. Takeshi Fujii had to play two games against Yasumitsu Satō before a winner was determined. The first game between the two ended in sennichite after 70 moves. A second game with sente-gote reversed was then played with Fujii winning in 121 moves.[10] Hisashi Namekata and Shingo Sawada also needed two games for a winner to be determined. The first game between the two ended in impasse after 252 moves, and Namekata won the replay with sente-gote reversed in 88 moves.

No.BlockSenteGoteNo. of movesDateGuest Analyst
1AAkira Watanabe 2 crownYūki Sasaki 5d156August 10, 2014Nobuyuki Yashiki 9d
2AKōta Kanai 5dToshiaki Kubo 9d95August 17, 2014Daisuke Suzuki 8d
3BNobuyuki Yashiki 9dTakayuki Yamasaki 8d95August 24, 2014Kensuke Kitahama 8d
4ATadashi Ōishi 6dAkira Inaba 7d151August 31, 2014Tetsurō Itodani 6d
5AHisashi Namekata 8dShingo Sawada 5d252September 7, 2014Masayuki Toyoshima 7d
Shingo Sawada 5dHisashi Namekata 8d88
6AHiroshi Kobayashi 7dKōji Tanigawa 9d100September 14, 2014Takahiro Toyokawa 7d
7BHiroki Iizuka 7dKazuhiro Nishikawa 5d[lower-alpha 6]105September 21, 2014Toshiaki Kubo 9d
8ATakanori Hashimoto 8dMasataka Gōda NHK Cup117September 28, 2014Yasumitsu Satō 9d
9BKazuki Kimura 8dToshiyuki Moriuchi Ryūō[lower-alpha 7]110October 5, 2014Kōichi Fukaura 9d
10AYasumitsu Satō 9dTakeshi Fujii 9d70October 12, 2014Akihito Hirose 8d
Takeshi Fujii 9dYasumitsu Satō 9d121
11BYoshiharu Habu 4 crownMichio Takahashi 9d95October 19, 2014Hifumi Katō 9d
12BHiroyuki Miura 9dMasayuki Toyoshima 7d68October 26, 2014Kazuki Kimura 8d
13BTatsuya Sugai 5dYūji Masuda 6d143November 2, 2014Kōhei Funae 5d
14BKōichi Fukaura 9dTaku Morishita 9d133November 9, 2014Akira Shima 9d
15BAyumu Matsuo 7dTadahisa Maruyama 9d100November 16, 2014Michio Takahashi 9d
16AMamoru Hatakeyama 7dManabu Kumasaka 5d93November 23, 2014Daisuke Nakagawa 8d

Round 3

Play began on November 30, 2014, and ended on January 25, 2015. Out of the 18 preliminary tournament winners, only Kanai 5d made it to round 3.

No.BlockSenteGoteNo. of moveswidth="120"| DateGuest Analyst
1BYoshiharu Habu 4 crownToshiyuki Moriuchi Ryūō100November 30, 2014Takeshi Fujii 9d
2AYūki Sasaki 5dTadashi Ōishi153December 7, 2014Taichi Nakamura 6d
3BKōichi Fukaura 9dMasayuki Toyoshima 7d135December 14, 2014Chikara Akutsu 8d
4ATakanori Hashimoto 8dMamoru Hatakeyama 7d111December 21, 2014Hisashi Namekata 8d
5AKōji Tanigawa 9dKōta Kanai 5d128January 4, 2015Taku Morishita 9d
6BTatsuya Sugai 5dTadahisa Maruyama 9d129January 11, 2015Keita Inoue 9d
7ATakeshi Fujii 9dHisashi Namekata 8d126January 18, 2015Amahiko Satō 8d [lower-alpha 8]
8BHiroki Iizuka 7dNobuyuki Yashiki 9d123January 25, 2015Hirotaka Nozuki 7d

Quarterfinals

The eight remaining players were paired off against each other with play beginning on February 1 and ending on February 22, 2015. No major titleholders made it as far as the quarterfinals.

No.BlockSenteGoteNo. of movesDateGuest Analyst
1AYūki Sasaki 5dHisashi Namekata 8d96February 1, 2015Yasuaki Murayama 7d
2BToshiyuki Moriuchi 9d[lower-alpha 9]Tatsuya Sugai 5d123February 8, 2015Kōji Tanigawa 9d
3AKōta Kanai 5dTakanori Hashimoto 8d102February 15, 2015Ayumu Matsuo 7d
4BHiroki Iizuka 7dKōichi Fukaura 9d112February 22, 2015Osamu Nakamura 9d

Semifinals

The two remaining players from each block with paired against each other to determine the respective block winners. The 1st semifinal game between Kōichi Fukaura 9d (sente) and Toshiyuki Moriuchi 9d (gote) was broadcast on March 1, 2015. Moriuchi won the game in 166 moves to win block B. The guest analyst was Yaumitsu Satō 9d.[15] The 2nd semifinal game was between Hisashi Namekata 8d (sente) and Takanori Hashimoto 8d (gote). The game was broadcast on March 8, 2015, and won by Namekata 8d when Hashimoto 8d was disqualified for making an illegal move (Nifu) on his 92nd move.[16] Namekata thus won block A and advanced to the finals of the tournament for the first time. The guest analyst for the 2nd semifinal game was Kazuki Kimura 8d. The host for both semifinal games was female professional Rieko Yauchi 5d.[17]

Final

After 109 preliminary tournament games and 58 main tournament games involving 161 players, Toshiyuki Moriuchi 9d and Hisashi Namekata 9d met in the final broadcast on March 22, 2015. This was the first NHK Cup final appearance for Namekata and the fifth appearance for Moriuchi. The piece toss before the game resulted in Namekata being sente. Moriuchi won the game in 134 moves, thus winning the tournament for the third time and becoming the 64th NHK Cup Champion. The guest analyst for the final match were Takeshi Fujii 9d and the hosts of the final were NHK announcer Ryō Nagano and female professional Ichiyo Shimizu.

The game score and a diagram showing the final position is given below.[18]

64th NHK Cup Final (134. R*5h)
Gote: Toshiyuki Moriuchi 9d
☖ pieces in hand: Pieces-in-hand: 金 銀(2) 歩(6)
987654321 
馬桂       1
       銀 2
   歩歩 金歩金3
歩 歩  歩   4
 歩   銀香 香5
歩  香   王 6
 歩桂歩歩と 桂 7
香  玉飛    8
       飛 9
☗ pieces in hand: 角 金 桂
Sente: Hisashi Namekata 8d

Sente: Hisashi Namekata 8d
Gote: Toshiyuki Moriuchi 9d
Opening: Bishop Exchange
1. P-7f, 2. P-8d, 3. P-2f, 4. G-3b, 5. G-7h, 6. P-8e, 7. B-7g, 8. P-3d, 9. S-8h, 10. Bx7g+, 11. Sx7g, 12. S-4b, 13. S-3h, 14. S-7b, 15. P-9f, 16. P-9d, 17. P-4f, 18. P-6d, 19. S-4g, 20. S-6c, 21. K-6h, 22. S-5d, 23. S-5f, 24. P-4d, 25. G-5h, 26. G-5b, 27. P-3f, 28. K-4a, 29. P-1f, 30. P-1d, 31. K-7i, 32. K-3a, 33. N-3g, 34. P-7d, 35. P-6f, 36. S-3c, 37. R-4h, 38. G5b-4b, 39. K-8h, 40. K-2b, 41. G5h-6h, 42. G4b-4c, 43. P-9h, 44. P-3e, 45. Px3e, 46. S-2d, 47. P-4e, 48. Sx3e, 49. P*3f, 50. Sx3f, 51. Px4d, 52. G4c-4b, 53. B*4f, 54. R-9b, 55. P-1e, 56. Px1e, 57. P*1g, 58. B*5a, 59. R-1h, 60. Sx3g, 61. BX6f, 62. Sx2f, 63. G-5h, 64. Bx7g+, 65. Gx7g, 66. P*6c, 67. Bx9a+, 68. Rx9a, 69. L*2i, 70. B*4f, 71. Lx2f, 72. Bx1h+, 73. Lx1h, 74. R*2h, 75. S-6g, 76. Rx2f+, 77. Lx1e, 78. N*5e, 79. P-1b+, 80. Lx1b, 81. Sx5f, 82. Lx1e, 83. Sx5e, 84. Sx5e, 85. N*7d, 86. K-7c, 87. Nx6b+, 88. Gx6b, 89. B*8b, 90. Sx6f, 91. P*7f, 92. K-2b, 93. Bx9a+, 94. Sx7g+, 95. Nx7g, 96. S*6i, 97. S*3c, 98. Nx3c, 99. Px3c+, 100. Gx3c, 101. N*1d, 102. K-1c, 103. S*2b, 104. Kx1d, 105. G*1c, 106. K-2e, 107. R*6e, 108. L*3e, 109. Rx6i, 110. N*2d, 111. B*4g, 112. S*4f, 113. S*3g, 114. Nx7f, 115. K-7h, 116. Sx4g+, 117. Sx2f, 118. Kx2f, 119. R-2i, 120. N*2g, 121. R*6f, 122. P*4f, 123. Gx4g, 124. B*4e, 125. S*5f, 126. G*6h, 127. Rx6h, 128. Nx6h+, 129. Kx6h, 130. L*6f, 131. P*6g, 132. Px4g+, 133. Sx4e, 134. R*5h sente resigns (diagram)

The final tournament bracket is shown below.

64th NHK Cup TV Shogi Tournament bracket (final)

Other
  • In addition to the defending champion Gōda, there were nine other former champions who qualified for the main tournament: Habu (38th, 41st, 45th, 47th—48th, 50th, 58th—61st), Y. Satō (56th—57th), Moriuchi (46th, 51st), Suzuki (49th), Miura (52nd), Kubo (53rd), Yamasaki (54th), Maruyama (55th), Watanabe (62nd).
  • Sente won 29 (a little under 60%) of the 49 games.
  • The average number of moves for the main tournament games was 120. The most moves played in a single game was 252 (Rd. 2, Namekata vs. Sawada)[lower-alpha 10] while the fewest moves played was 68 (Rd. 2, Miura vs. Toyoshima).
  • Namekata versus Sawada in round 2 ended in impasse and both players played a second game with sente-gote reversed to determine the final result.[lower-alpha 11] Satō versus Fujii in round 2 ended in sennichite after 70 moves. The game was replayed with Fujii being sente at adjusted time controls[lower-alpha 12] which Fujii won in 121 moves.[20]
  • There was one disqualification due to an illegal move:[21] Hashimoto 8d lost his semifinal game against Namekata 8d for the illegal move "Nifu" on his 92nd move.
  • The age breakdown (age at start of the tournament) for the players who qualified was as follows: 10–19 years old, 2 players; 20–29 years old, 15 players; 30–39 years old, 11 players; 40–49 years old, 18 players; 50–59 years old, 4 players. The oldest player was Kōji Tosa 7d (59 years old) and the youngest player was Yūki Sasaki 4d (19 years old).
gollark: I already *implemented* it, you can tell me to not implement it but I don't have a time machine.
gollark: PotatOS has had that for ages, as well as indexing on strings and division.
gollark: You can replace `fs.open`, `fs.isReadOnly`, `fs.move`, `fs.delete` and probably 18251826512918 other functions, and that will stop most programs from doing things to them, *but* you can then probably get around that with various tricks.
gollark: > acctualy no is there a way to make some folders / files read only and read and write again with an api or something?This is technically possible™ but fairly hard™.
gollark: `os.startTimer`

See also

Notes
  1. "W3d" stands for "Women's professional 3-dan".
  2. Players overlapping multiple categories are only listed once.
  3. Based upon JSA 2013 calendar year rankings in the following three categories: games played, games won, and winning percentage.[6]
  4. Gote (後手) refers to "the player who moves second".
  5. Sasaki was promoted to 5d on March 11, 2014.[9]
  6. Nishikawa was promoted to 5d on August 21, 2014.[11]
  7. Moriuchi lost his Meijin title to Habu in May 2014.[12]
  8. Amahiko Satō was promoted from 7d to 8d by the JSA on January 8, 2015[13]
  9. Moriuchi lost his Ryūō title to Testsurō Itodani in December 2014[14]
  10. The first game between the two ended in impasse and the second game won by Namekata lasted 88 moves, so it actually took 340 moves for a winner to be determined
  11. The first game ended in impasse after 252 moves. Since both players had more than the required 24 points to establish impasse (Namekata had 25 points and Sawada had 29), Namekata proposed impasse and Sawada accepted. A second game at adjusted time controls was then played between the two which Namekata won in 88 moves.[19]
  12. Satō had one thinking-time period and Fujii had three-thinking time periods remaining when the first game ended. The time control for the replay game was 1 move per 30 seconds for each player with Fujii having seven thinking-time periods and Satō having only five.

References
  1. "Dai Rokujūyonkai NHK Shōgi Terebi Tōnamento" 第64回NHKテレビ将棋トーナメント [64th NHK TV Shogi Tournament] (in Japanese). NHK. Archived from the original on June 10, 2014. Retrieved December 22, 2017.
  2. "Dai Rokujūkai NHK Haisen Yosen" 第64回NHK杯戦予選 [64th NHK Cup preliminaries] (in Japanese). Japan Shogi Association. 2014. Retrieved May 30, 2014.
  3. "Dai Rokujūkai NHK Hai Shutsujō Joryūkishi Ketteisen" 2014年03月16日第64回NHK杯出場女流棋士決定戦 [March 16, 2014, 64th NHK Cup Women's Professional Playoff] (in Japanese). NHK. Retrieved May 30, 2014.
  4. "Taikyoku no Rūru" 対局のルール [Game rules] (in Japanese). NHK. Archived from the original on June 10, 2014. Retrieved December 22, 2017.
  5. "Dai Rokujūkai NHK Shōgi Terebi Tōnamento" 第64回NHK杯テレビ将棋トーナメント [64th NHK TV Shogi Tournament]. NHK将棋講座. NHKテレビテキスト (in Japanese). Tokyo, Japan: NHK Publishing. 419 (6月号): 86. May 16, 2014. Archived from the original on December 31, 2014. Retrieved December 22, 2017.
  6. "Nisenjūsannendo Kishi Seiseki･Kiroku" 2013年度棋士成績・記録 [2013 Shogi Year Player Rankings and Records] (in Japanese). Japan Shogi Association. Retrieved August 24, 2018.
  7. Shimizu, Ichiyo (host); Toyoshima, Masayuki (guest analyst) (September 7, 2014). "Dai Rokujūyonkai NHK Shōgi Terebi Tōnamento Nikaisen Dai Gokyoku" 第64回NHK将棋テレビトーナメント2回戦第5局 [64th NHK TV Shogi Tournament Round 2 Game 5]. 64th NHK TV Shogi Tournament (in Japanese). NHK-E.
  8. "Nisennen Kugatsu Nanoka Dai Rokujūkai NHK Shōgi Terebi Tōnamento Nikaisen Dai Gokyoku Jishōgi Sashinaoshikyoku" 2014年09月07日第64回NHK杯2回戦第5局持将棋指し直し局 [September 7, 2014, 64th NHK Cup Round 2 Game 5 Impasse Replay] (in Japanese). NHK. Retrieved September 8, 2014.
  9. "Sasaki Yūki Yondan ga Godan ni Shōdan" 佐々木勇気四段が五段に昇段 [Yūki Sasaki promoted to 5d from 4d] (in Japanese). Japan Shogi Association. March 12, 2014. Retrieved December 13, 2014.
  10. Shimizu, Ichiyo (host); Hirose, Akihito (guest analyst) (October 12, 2014). "Dai Rokujūyonkai NHK Shōgi Terebi Tōnamento Nikaisen Dai Jūkyoku" 第64回NHK将棋テレビトーナメント2回戦第10局 [64th NHK TV Shogi Tournament Round 2 Game 10]. 64th NHK TV Shogi Tournament (in Japanese). NHK-E.
  11. "Nishikawa Kazuhiro ga Godan ni Shōdan" 西川和宏四段が五段に昇段 [Kazuhiro Nishikawa 4d promoted to 5d] (in Japanese). Japan Shogi Association. August 22, 2014. Retrieved September 27, 2014.
  12. "Habu ga Yonkiburi Meijin Dakkan, Yonnenburi Yonkan Fukki" 羽生が4期ぶり名人奪還, 4年ぶりに４冠復帰 [Habu captures Meijin title four years after he last won it, becomes a 4-crown for the first time in four years.]. Sankei Shimbun (in Japanese). Tokyo, Japan. May 21, 2014. Retrieved October 5, 2014.
  13. "Satō Amahiko Shichidan ga Hachidan ni Shōdan" 佐藤天彦七段が八段に昇段 [Amahiko Satō promoted from 7d to 8d] (in Japanese). Japan Shogi Association. January 9, 2015. Retrieved January 24, 2015.
  14. "Ryūōsen, "Kaibutsukun" Itodani ga Moriuchi Taosu, Kikai Hatsu, Sakadaiin de Tetsugaku Senkō" 竜王戦, "怪物くん" 糸谷が森内倒す, 棋界初, 阪大院で哲学専攻 [Ryūō title match, "The Beast" Itodani defeats Moriuchi, First Time in Shogi, Osaka University Philosophy Graduate Student]. Sankei Shimbun (in Japanese). December 4, 2014. Retrieved February 14, 2015.
  15. Yauchi, Rieko (host); Satō, Yasumitsu (guest analyst) (March 1, 2015). "Dai Rokujūyonkai NHK Shōgi Terebi Tōnamento Junkesshō Dai Ikkyoku" 第64回NHK将棋テレビトーナメント準決勝第1局 [64th NHK TV Shogi Tournament Semifinal Game 1]. 64th NHK TV Shogi Tournament (in Japanese). NHK-E.
  16. "Hashimoto Hachidan ga "Nifu", Irei no Hansokumake, Shogi no NHKhai" 橋本八段が｢二歩｣, 異例の反則負け 将棋のNHK杯 [Hashimoto 8d loss by disqualification an anomaly, plays the illegal move "Nifu" in the Shogi NHK Cup]. Asahi Shimbun (in Japanese). March 8, 2015. Archived from the original on March 8, 2015. Retrieved March 8, 2015.
  17. Yauchi, Rieko (host); Kimura, Kazuki (guest analyst) (March 8, 2015). "Dai Rokujūyonkai NHK Shōgi Terebi Tōnamento Junkesshō Dai Nikyoku" 第64回NHK将棋テレビトーナメント準決勝第2局 [64th NHK TV Shogi Tournament Semifinal Game 2]. 64th NHK TV Shogi Tournament (in Japanese). NHK-E.
  18. "NHKhai Terebi Shōgi Tōnamento Kifu, Nisenjūgonen Sangatsu Nijūninichi Dai Rokujūyonkai NHKhai Kesshō" NHK杯テレビ将棋トーナメント棋譜, 2015年3月22日第64回NHK杯決勝 [NHK Cup TV Shogi Tournament game score, 64th NHK Cup Final (March 22, 2015)] (in Japanese). NHK. Retrieved August 24, 2018.
  19. Shimizu, Ichiyo (host); Morishita, Taku (guest analyst) (June 1, 2014). "Dai Rokujūyonkai NHK Shōgi Terebi Tōnamento Ikkaisen Daikyūkyoku" 第64回NHK将棋テレビトーナメント1回戦第9局 [64th NHK TV Shogi Tournament Round 1 Game 9]. 64th NHK TV Shogi Tournament (in Japanese). NHK-E.
  20. Shimizu, Ichiyo (host); Hirose, Akihito (guest analyst) (October 12, 2014). "Dai Rokujūyonkai NHK Shōgi Terebi Tōnamento Nikaisen Daijūkyoku" 第64回NHK将棋テレビトーナメント2回戦第10局 [64th NHK TV Shogi Tournament Round 2 Game 10]. 64th NHK TV Shogi Tournament (in Japanese). NHK-E.
  21. "5. Hansoku ni Tsuite" 5.反則について [Rules violations] (in Japanese). Japan Shogi Association. Archived from the original on July 8, 2014. Retrieved June 5, 2014.
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