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30th Meijin title


The lowest three players from the previous year are demoted, and entrance matches determine which three new players enter the League.

game date black white result sgf
Group 1 Final 2004-11-04 Komatsu Hideki Cho Sonjin W+R sgf
Group 2 Final 2004-11-11 Ogata Masaki Kato Atsushi B+1.5 sgf
Group 3 Final 2004-10-28 Hane Naoki Sakai Hideyuki W+R sgf


Results (in the first column the white player, on the top row the black player). The ordering of the first six players is according to their results in the previous year. The last three are the winners of the entrance matches.

# player result 1 2 3 4 5 6 7 8 9
1. Yoda Norimoto 3-5 B+5.5 W+1.5 W+R B+0.5
2. Kobayashi Satoru 7-1 W+0.5 W+R B+5.5 W+0.5
3. Imamura Toshiya 6-2 B+8.5 W+R W+4.5 W+R
4. Yamashita Keigo 7-1 W+1.5 W+R W+R W+R
5. O Meien 3-5 B+3.5 B+R W+R B+3.5
6. Yamada Kimio 4-4 W+R B+R B+R W+R
7. Cho Sonjin 1-7 B+R B+R B+R W+R
8. Ogata Masaki 1-7 B+3.5 B+R B+R W+R
9. Sakai Hideyuki 4-4 B+R B+R W+2.5 W+3.5

Ogata Masaki, Cho Sonjin, and O Meien are demoted.


Kobayashi Satoru and Yamashita Keigo both had 7 wins, and played a challenger playoff that was won by Kobayashi Satoru.

game date black white result sgf
challenger playoff 2005-08-08 Yamashita Keigo Kobayashi Satoru W+1.5 sgf

30th Meijin Title

1 2005-09-07,08 Cho U Kobayashi Satoru B+R sgf
2 2005-09-22,23 Kobayashi Satoru Cho U W+6.5 sgf
3 2005-09-28,29 Cho U Kobayashi Satoru B+R sgf
4 2005-10-11,12 Kobayashi Satoru Cho U B+3.5 sgf
5 2005-10-19,20 Cho U Kobayashi Satoru W+1.5 sgf
6 2005-11-03,04 Kobayashi Satoru Cho U B+0.5 sgf
7 2005-11-09,10 Kobayashi Satoru Cho U W+R sgf

Cho U won 4-3.