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1st Honinbo Title 1941

Title match

1 2 3 4 5 6 T
Sekiyama Riichi 0 1 0 1 0 1 3
Kato Shin 1 0 1 0 1 0 3

Preliminary Tournament

Eight players qualified for a series of four knockout tournaments. In each of these tournaments, the first-place finisher received 6 points, the losing finalist 5 points, the third-place finisher (winner of a playoff between the losing semifinalists) 4 points, and the fourth-place finisher 3 points. First round losers received one point each.

In effect, first and second round games were worth two points each, while third round games were valued at one point each.

In the knockout tournament games, White received a 4.5 point komi. The time limit was 13 hours per player, except in the games of Suziki Tamejiro, when each player received 16 hours. (This was apparently a concession to Suzuki, who was opposed to any time limits.)

The players with the highest two scores (who turned out to be Sekiyama Riichi and Kato Shin) played a six game match with no komi to decide the title. When this match was tied at 3-3 (with Black winning each game), the title went to Sekiyama, who had the higher point score in the knockout rounds.
1st final knockout
Kitani Minoru, 7 dan Kato Shin
(W+2.5)
Sekiyama Riichi
(B+3.5)
Go Seigen
(B+7.5)
Kato Shin, 7 dan
Segoe Kensaku, 7 dan Sekiyama Riichi
(W+0.5)
Sekiyama Riichi, 6 dan
Kubomatsu Katsukiyo, 6 dan Maeda Nobuaki
(W+4.5)
Go Seigen
(B+R)
Maeda Nobuaki, 6 dan
Suzuki Tamejiro, 7 dan Go Seigen
(W+8.5)
Go Seigen, 7 dan

Playoff for 3/4 place: Kato Shin vs. Maeda Nobuanki (B+11.5)

Standings: 1. Go Seigen, 6 pts; 2. Sekiyama, 5 pts; 3. Kato, 4 pts; 4. Maeda, 3 pts; 5-8. Kitani, Segoe, Kubomatsu, Suzuki, 1 pt each
2nd final knockout
Kitani Minoru Sekiyama Riichi
(W+1.5)
Sekiyama Riichi
(W+2.5)
Sekiyama Riichi
(W+1.5)
Sekiyama Riichi
Maeda Nobuaki Maeda Nobuaki
(B+3.5)
Go Seigen
Kubomatsu Katsukiyo Kato Shin
(W+2.5)
Kato Shin
(B+R)
Kato Shin
Segoe Kensaku Suzuki Tamejiro
(W+0.5)
Suzuki Tamejiro

Playoff for 3-4 place: Suzuki Tamejiro vs. Maeda Nobuaki (W+R)

Standings: 1. Sekiyama, 11 pts; 2. Kato, 9 pts; 3-4. Go Seigen, Maeda, 7 pts each; 5. Suzuki, 4 pts; 6-8. Kitani, Segoe, Kubomatsu 2 pts each
3rd final knockout
Maeda Nobuaki Maeda Nobuaki
(B+R)
Maeda Nobuaki
(B+2.5)
Kitani Minoru
(B+R)
Segoe Kensaku
Kubomatsu Katsukiyo Kubomatsu Katsukiyo
(B+R)
Sekiyama Riichi
Kato Shin Kato Shin
(B+0.5)
Kitani Minoru
(B+R)
Go Seigen
Suzuki Tamejiro Kitani Minoru
(W+0.5)
Kitani Minoru

Playoff for 3-4 place: Kato Shin vs. Kubomatsu Katsukiyo (W+R)

Standings: 1. Sekiyama, Kato, Maeda, 12 pts each; 4-5. Go Seigen, Kitani, 8 pts each; 6. Kubomatsu, 6 pts; 7. Suzuki, 5 pts; 8. Segoe, 3 pts
4th final knockout
Sekiyama Riichi Sekiyama Riichi
(B+2.5)
Go Seigen
(W+1.5)
Go Seigen
(B+R)
Maeda Nobuaki
Go Seigen Go Seigen
(B+R)
Kitani Minoru
Kubomatsu Katsukiyo Segoe Kensaku
(W+R)
Segoe Kensaku
(W+2.5)
Segoe Kensaku
Suzuki Tamejiro Kato Shin
(W+R)
Kato Shin

Playoff for 3-4 place: Sekiyama Riichi vs. Kato Shin (B+R)

Final Standings
1. Sekiyama16 pts
2. Kato15 pts
3. Go Seigen14 pts
4. Maeda13 pts
5. Kitani9 pts
6. Segoe8 pts
7. Kubomatsu7 pts
8. Suzuki6 pts

First place in the knockout phase was decided by the third place playoff game in the 4th knockout preliminary between Sekiyama and Kato. This also turned out to be the deciding factor in the first title, after the final match (played without komi) was level at three wins each.


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Page creation: Jan van der Steen