8th Honinbo · 1st Preliminary, Group Final
Tap a point on the board to explore a line from here.
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Each tile is a move you could play next. Tap one to play it: it lands on the board as a numbered stone, and this panel refills with the options that follow. Keep tapping to build a line.
- The Variation panel above lists the moves you've played. Tap any of them to rewind there; tap ← Main line to return to the game.
- Tap Preview on the current move to lay the whole continuation on the board at once — the AI's best line, or the recorded one if the game has it. Tap again to clear.
- Tiles tagged sgf are variations saved in the game record.
- Each tile's corner shows how good the move is — from blue (best) through green and yellow to red — the same color it has on the board. The blue-highlighted tile is the AI's top choice.
- The move actually played in the game isn't shown here — only the alternatives.
New lines you play here are read to 100 visits — quick, but shallow. A deeper read finds longer, stronger continuations.
See deeper analysis plans →This game comes from the GoGoD collection — decades of careful transcription work by T Mark Hall and John Fairbairn — which we share with a daily download allowance at their request. You can keep studying it right here in the meantime, and your allowance resets at midnight UTC.
If you want the whole collection on your own machine today, GoGoD sells it directly:
The Honinbo is Japanese Go's most storied title, tracing its lineage to 1612 when the Buddhist monk Nikkai (later Honinbo Sansa) founded the Honinbo house at Jakkoji temple in Kyoto. For over three hundred years the Honinbo name passed from master to disciple -- not by blood but by merit. In 1938, the last hereditary Honinbo, Shusai, donated the title to the Nihon Ki-in to be awarded annually through tournament play. Sponsored ever since by the Mainichi Shimbun, the title match was historically best-of-seven; from the 78th edition in 2023 it was reduced to a best-of-five and the winner's prize cut from 28 million to 8.5 million yen as newspaper revenues declined. Iyama Yuta holds the modern record with eleven consecutive Honinbo titles from 2012 through 2022, surpassing Cho Chikun's previous mark of ten.
- Date
- 1953-01-14
- Moves
- 241
- Komi
- 4.5
- Rules
- Japanese (assumed)
- Result
- B+4.5
- Game record
- GoGoD