6th Supreme Player 1st tournament
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Game breakdown
Yi Ch'ang-seok vs Lee Jihyun
Yi Ch'ang-seok
Lee Jihyun
86
Accuracy
88
0.5
Avg points lost
0.4
43%
Best-move match
44%
80%
Top-3 match
82%
Move quality
Yi Ch'ang-seok
Lee Jihyun
86
Accuracy
88
40
Best move
41
22
Excellent
20
21
Good
17
6
Inaccuracy
12
3
Mistake
3
1
Blunder
0
89
Accuracy
97
12
Best move
17
8
Excellent
6
4
Good
1
2
Inaccuracy
1
0
Mistake
0
0
Blunder
0
83
Accuracy
83
23
Best move
18
9
Excellent
7
9
Good
8
2
Inaccuracy
11
3
Mistake
3
1
Blunder
0
92
Accuracy
95
5
Best move
6
5
Excellent
7
8
Good
8
2
Inaccuracy
0
0
Mistake
0
0
Blunder
0
Game character
Calm
Fighting
Accuracy flow
Who was playing more accurately, 5-move rolling window.
Highlights
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.
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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.
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✦
✦
✦
✦
✦
Sparkles — set-up move
The opponent's next move was a 5+ point mistake. This move probably set it up.
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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
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6th Supreme Player 1st tournament · 2026-03-10
Game details
- Date
- 2026-03-10
- Moves
- 186
- Komi
- 6.5
- Rules
- Japanese (assumed)
- Result
- W+R
Ranks at the time of the game