2026 Legends League · Round 2, Match 1, Board 1
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Game breakdown beta
Yu Ch'ang-hyeok vs Yang Keon
Yu Ch'ang-hyeok
Yang Keon
55
Accuracy
54
1.3
Avg points lost
1.5
38%
Best-move match
33%
74%
Top-3 match
70%
87
Accuracy
57
0.4
Avg points lost
1.3
42%
Best-move match
35%
74%
Top-3 match
70%
Move quality
Yu Ch'ang-hyeok
Yang Keon
55
Accuracy
54
43
Best move
37
33
Excellent
36
15
Good
18
13
Inaccuracy
13
5
Mistake
3
3
Blunder
5
93
Accuracy
96
12
Best move
12
10
Excellent
10
1
Good
3
3
Inaccuracy
0
0
Mistake
0
0
Blunder
0
33
Accuracy
35
12
Best move
14
10
Excellent
10
9
Good
7
10
Inaccuracy
8
3
Mistake
3
3
Blunder
5
92
Accuracy
90
19
Best move
11
13
Excellent
16
5
Good
8
0
Inaccuracy
5
2
Mistake
0
0
Blunder
0
87
Accuracy
57
47
Best move
39
32
Excellent
35
15
Good
18
13
Inaccuracy
13
5
Mistake
3
0
Blunder
4
93
Accuracy
96
12
Best move
12
10
Excellent
10
1
Good
3
3
Inaccuracy
0
0
Mistake
0
0
Blunder
0
82
Accuracy
39
16
Best move
16
9
Excellent
9
9
Good
7
10
Inaccuracy
8
3
Mistake
3
0
Blunder
4
92
Accuracy
90
19
Best move
11
13
Excellent
16
5
Good
8
0
Inaccuracy
5
2
Mistake
0
0
Blunder
0
?
Game character
Calm
Fighting
Accuracy flow
Who was playing more accurately, 5-move rolling window.
Highlights
Epic comeback
The winner clawed back from a clearly lost position.
Key moments
Mistakes
How many to review
Mistakes
Reading the board
What every overlay on the board means
AI suggestions
Blue dot — best move
KataGo's top pick. No number on it.
Toggle: AI button (A)
Other candidates
Blue is the best move in this position. Green is good, gold is OK. Numbers inside show points difference compared to the blue (best) move.
Toggle: AI button (A)
Cyan halo
A standout move — the engine's top choice in a spot where it wasn't obvious.
Most precise on Study and Deep analysis; on a quick (free) analysis it's a lighter estimate.
Toggle: Move animations (in view settings)
Territory & dead groups
Territory tint
Faint black or white wash over intersections the engine expects that color to own.
Toggle: Territory button under the board
Toggle: Territory (in view settings)
Red overlay — groups in danger
Stones the engine thinks are at risk of being captured.
Toggle: Groups button under the board
Toggle: Groups (in view settings)
Dead stones (×)
Stones the engine considers dead.
Toggle: Groups button under the board
Toggle: Groups (in view settings)
Move animations
−7 pts
Score-loss pill
Drops in next to a move that lost 5+ points. Orange for mistake, red for blunder.
Toggle: Move animations (in view settings)
✦
✦
✦
✦
✦
Sparkles — set-up move
The opponent's next move was a 5+ point mistake. This move probably set it up.
Toggle: Move animations (in view settings)
Continuations
Try a line out, move by move
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 →Print game record
Generates a printable kifu PDF
2026 Legends League · Round 2, Match 1, Board 1 · 2026-09-28
About this tournament
The Legends League is a Korean team Go competition for veteran professionals. It began in 2016 as the Senior Baduk League and took its current name in 2023, giving the players who shaped Korean professional Go a season of their own.
Game details
- Date
- 2026-09-28
- Moves
- 225
- Komi
- 6.5
- Rules
- Japanese (assumed)
- Result
- B+R
Ranks at the time of the game