Real-game sekis

[yebellz]

The largest seki that I’ve had in one of my games

Massive seki covering quarter of the board

This was one of the most interesting games that I have ever played. I had a much stronger opponent that quite relentlessly attacked me, but I think I learned quite a bit from the complicated fighting (for my skill level) that developed. Hopefully, I can learn some more from a review. Unfortunately, my opponent seemed to disappear from the site and timed out, which gave me an undeserved win for what seems to be a thoroughly losing position. It would have also been nice to see exactly how the ga…

Another seki posted by someone else on these forums

Monster seki!

What’s the biggest/most impressive seki you’ve got in a game? I just finished this error-strewn game with a 66 point seki, (69 if you count the shared eye), by far the largest I’ve ever seen: Granted, we both had opportunities to kill at least part of that monster, but that would’ve made the game far less memorable! Share your best!

Hanezeki

Life and Death Problem

Status? [position] Spoilers below! It’s quite fun to read out this problem, so don’t scroll down to the discussion below until you want to see the analysis that gives it away.

Another AI game seki (Golaxy self-play)

Life and Death under Chinese Rules

As discussed in this LifeIn19x19 thread, a similar case (a bent-4-corner seki + unremovable ko threat) emerged in the training games of the Golaxy bot: [golaxy]

A constructed seki position to illustrate bent four considerations under Chinese rules

Life and Death under Chinese Rules

Consider the following board position under Chinese rules with a 5.5 point komi [game1] Which stones are alive or dead? Who will win this game and by how much? What is the best line of play? The purpose of this example is to explore how life and death is handled under Chinese rules. Pause here to consider the above questions if you wish to treat this example as a problem, before reading on into the rest of the discussion. Discussion Note that white’s group in the top-left forms a “bent fo…