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6th Honinbo title

League

In the first column the white player, on the top row the black player.

# player result 1 2 3 4 5 6
1. Kitani Minoru 3-2 W+5.5 B+3.5 W+R
2. Hasegawa Akira 3-2 W+3.5 B+R W+R
3. Sakata Eio 3-2 B+2.5 W+3.5
4. Fujisawa Hosai 2-3 B+3.5 B+R
5. Iwamoto Kaoru 2-3 W+R B+R B+3.5
6. Takagawa Kaku 2-3 B+R W+6.5

Demotion Playoff

The three players with 2 wins played a demotion playoff. Iwamoto Kaoru and Takagawa Kaku lost.

date black white result #mv sgf
1950-12-06,07 Takagawa Kaku Iwamoto Kaoru B+6.5 250 sgf
1950-12-13,14 Fujisawa Hosai Takagawa Kaku B+R 189 sgf

However, Fujisawa Hosai did not participate in the 7th Honinbo League.

Challenger Playoff

The three players with 3 wins played a challenger playoff won by Sakata Eio.

date black white result #mv sgf
1950-12-13,14 Kitani Minoru Sakata Eio W+9.5 281 sgf
1950-12-20,21 Hasegawa Akira Kitani Minoru W+R 242 sgf

Presumably there was a third game between Sakata Eio and Hasegawa Akira, won by Sakata Eio.

6th Honinbo Title

date black white result #mv sgf
1951-04-14,15 Sakata Eio Hashimoto Utaro B+R 199 sgf
1951-04-24,25 Hashimoto Utaro Sakata Eio B+4.5 240 sgf
1951-05-03,04 Sakata Eio Hashimoto Utaro B+2.5 309 sgf
1951-05-17,18 Hashimoto Utaro Sakata Eio W+R 136 sgf
1951-05-31,06-01 Sakata Eio Hashimoto Utaro W+10.5 273 sgf
1951-06-13,14 Hashimoto Utaro Sakata Eio B+10.5 256 sgf
1951-06-27,28 Hashimoto Utaro Sakata Eio B+3.5 262 sgf

Hashimoto Utaro won with 4-3.