2026 Korean Challenge · League
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Game breakdown beta
Han Ung-kyu vs Mok Chin-seok
Han Ung-kyu
Mok Chin-seok
79
Accuracy
73
0.6
Avg points lost
0.6
46%
Best-move match
40%
77%
Top-3 match
77%
84
Accuracy
77
0.5
Avg points lost
0.5
48%
Best-move match
42%
77%
Top-3 match
78%
Move quality
Han Ung-kyu
Mok Chin-seok
79
Accuracy
73
78
Best move
68
43
Excellent
48
21
Good
23
13
Inaccuracy
15
12
Mistake
12
1
Blunder
2
95
Accuracy
94
10
Best move
6
9
Excellent
12
7
Good
5
0
Inaccuracy
2
0
Mistake
0
0
Blunder
0
71
Accuracy
65
19
Best move
16
8
Excellent
7
6
Good
7
6
Inaccuracy
9
7
Mistake
7
1
Blunder
1
86
Accuracy
77
49
Best move
46
26
Excellent
29
8
Good
11
7
Inaccuracy
4
5
Mistake
5
0
Blunder
1
84
Accuracy
77
81
Best move
70
41
Excellent
47
24
Good
25
14
Inaccuracy
16
8
Mistake
9
0
Blunder
1
95
Accuracy
94
10
Best move
6
9
Excellent
12
7
Good
5
0
Inaccuracy
2
0
Mistake
0
0
Blunder
0
81
Accuracy
72
22
Best move
18
6
Excellent
6
9
Good
8
7
Inaccuracy
9
3
Mistake
6
0
Blunder
0
86
Accuracy
80
49
Best move
46
26
Excellent
29
8
Good
12
7
Inaccuracy
5
5
Mistake
3
0
Blunder
1
?
Game character
Calm
Fighting
Accuracy flow
Who was playing more accurately, 5-move rolling window.
Highlights
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.
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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.
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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 Korean Challenge · League · 2026-08-03
About this tournament
A secondary professional league in Korea's multi-tier Go league system, sitting below the KB Baduk League (top tier). Teams compete for promotion to the top division while top-division losers face relegation — the classic promotion/relegation structure that keeps competition intense across tiers.
Game details
- Date
- 2026-08-03
- Moves
- 336
- Komi
- 6.5
- Rules
- Japanese (assumed)
- Result
- B+2.5
Ranks at the time of the game