Life In 19x19

Back from the dead in 19 x 19! <3

In game 88 (7 komi, NZ rules), black casually sacrifices an 8-stone group by move 40. White ends up winning the game by around 10 points. https://online-go.com/review/934201

$$Bc 16 previous games continued at a instead of C17 ...

In game 131 (7 komi, NZ rules), white builds a 20-point center territory from her previously pincered group. Black explores some fascinating aji in the bottom right starting at move 83. https://online-go.com/review/1122877

$$Bc The opening ...

In game 130 (7 komi, NZ rules), black builds a large top side moyo that white begins to reduce with a casual 7th-line shoulder hit at move 22. Black wins by at least 56 points. https://online-go.com/review/1119746

$$Wc Games 139 and 140 continue at a instead of D17 ...

Figuring that since black got to play a "slight mistake" on move 1 (white winrate 52 % for black opening with either 4-4 or 3-4), in fairness white should also get to play slight mistakes on move 2 (any move between white 52 % and black 52 % winrate). Games 42, 43, and 129 through 141 (7 komi, NZ ...

A fourth 13 x 13 game (added to the same .sgf as the first three): https://online-go.com/review/767121

$$Bc Black to play; A: game 2, B: game 4
$$ +---------------------------+
$$ | . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . |
$$ | . . . W ...

Next up, some small-board high-playout fun!

A 15 x 15 game: https://online-go.com/review/1094254

$$Wc White to play.
$$ +-------------------------------+
$$ | . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . |
$$ | . X O X X . . . . . . . . . . |
$$ | . . O O . X . . . . . X ...

In game 128 (7 komi, NZ rules), black gets four corners again, plus a 20-point center territory... and wins by 2 points. https://online-go.com/review/1090627

$$Wc The opening.
$$ +---------------------------------------+
$$ | . . B . . . . . . . . . . . . . . . . |
$$ | . X O . O ...

Here are two (NZ rules, 7 komi) games (in the same .sgf) that Kata continued from "random"-feeling positions constructed by lightvector (KataGo's creator): https://online-go.com/review/1087305

$$Bc Game 1.
$$ +---------------------------------------+
$$ | . . . . . . . O . . . X . . . X ...

xela wrote:No result in the SGF... It's jigo, right?

Yes. The last move of each .sgf has a comment. "KataGo 50 %" basically means it was a "draw by resignation" rather than a draw by counting. I usually don't bother to let KataGo fill all the dame

In game 127 (7 komi, NZ rules), white ends up in a single group, whereas black gets four corners and a two-point center dragon. (Not as clickbaity as my description of game 116!) Oh, and it's a draw this time. https://online-go.com/review/1081518

$$Bc Move 62 ...

Game 126 (7 komi, NZ rules) sees black having to make sabaki in white's top side moyo. https://online-go.com/review/1075415

$$Bc Move 112.
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . X . |
$$ | . X O X X . . . . . . . O . . X X O . |
$$ | . . X O ...

What I enjoy most about game 125 (7 komi, NZ rules) is black and white breezily floating around the bottom side. After move 184, black realizes he's firmly behind by at least 2 points, so he starts wasting ko threats. https://online-go.com/review/1069204

$$Wc "We all float down here." — Pennywise ...

Game 124 (NZ rules, 7 komi) is a game with four 3-3 invasions. Black connects up two of his 3-3 invasions to make a 38-point territory on the left side, whereas white uses her top right 3-3 invasion to capture black's invaded corner. The game ends as a draw. https://online-go.com/review/1063933 ...

Game 123 (7 komi, NZ rules) is a game of strange shapes. Tough for my 10k brain to summarize what's going on. After move 232, black realizes he's firmly behind by 2 points, and resigns six moves later. https://online-go.com/review/1061025

$$Wc Beats me ...