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Shusaku historical game · 1847-12-03

1847-12-03 · Black won by resignation · Shusaku historical game · 1847-12-03. Go, Black to play, 1847-12-03. Study 163 reference plies, try both sides and branch from the replay.

0 pliesBlack starts

Site coordinates run A–S left to right and 1–19 top to bottom; A1 is the top-left intersection.

Read the position, one decision at a time

Try the position first, then open the notes. They explain measurable changes in the reference, not every possible variation.

Reveal step-by-step explanations

1. Black · Q4

This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 4 liberties: Q3, Q5, P4, R4. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.

2. White · Q15

This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 4 liberties: Q14, Q16, P15, R15. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.

3. Black · D3

This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 4 liberties: D2, D4, C3, E3. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.

4. White · C5

This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 4 liberties: C4, C6, B5, D5. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.

Continue with the learning path →

Understand this position

19 ranks × 19 files · 0 black stones · 0 white stones

Replay a few moves before advancing to the end. At each pause, compare the last position with the next one: which lines opened, which groups connected, and which points became contested? Use “Start new trial here” to investigate an alternative, then return to the reference.

Read the reference line (163 plies)

Coordinates match this board: letters left to right, row numbers from top to bottom. These are board coordinates, not traditional score notation.

Black Q4
White Q15
Black D3
White C5
Black C9
White E4
Black E3
White F4
Black G3
White O3
Black D16
White Q6
Black P6
White P7
Black O6
White O7
Black O4
White P3
Black P4
White M3
Black O16
White O15
Black N15
White O14
Black P16
White Q16
Black M16
White Q17
Black N7
White P9
Black P18
White K17
Black N14
White O12
Black I17
White K15
Black N13
White P12
Black N8
White L12
Black M11
White M12
Black N12
White N11
Black K13
White M10
Black L15
White I15
Black Q7
White Q8
Black R7
White R6
Black O9
White P8
Black O10
White R8
Black Q10
White L11
Black K14
White Q3
Black M4
White L4
Black L5
White N4
Black N5
White M5
Black M6
White M4
Black G17
White K8
Black P10
White R4
Black Q5
White R5
Black J7
White K7
Black K6
White J6
Black R12
White R13
Black Q13
White Q12
Black R11
White S13
Black H14
White I6
Black L7
White B3
Black F3
White C11
Black I7
White H7
Black J9
White E10
Black I9
White J11
Black G10
White F9
Black C13
White C12
Black D13
White E12
Black G5
White F6
Black C4
White B4
Black D5
White C6
Black E13
White F12
Black G13
White C17
Black D18
White D17
Black E18
White E17
Black G12
White K9
Black C18
White M8
Black R9
White D15
Black B15
White H18
Black H17
White B14
Black C15
White M17
Black L18
White L17
Black N17
White Q18
Black O18
White B13
Black C14
White I3
Black I2
White H2
Black H3
White J2
Black F5
White E5
Black E6
White D6
Black E7
White D4
Black I4
White J3
Black G6
White F7
Black F8
White G7
Black E8
White G4
Black H5
White H9
Black G9
White I8
Black J8
White H8
Black J5
White B8
Black E9

Read the rules with worked examples →