Maruseru/ Submarine Against Hoshi Keima Enclosure
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The submarine is one of the moves possible against the black formation. It is a probing move.
![[Diagram]](../../diagrams/7/d4f92e0ffc9390ed212a725f1f4dbfa2.png)
Initial setup
![[Diagram]](../../diagrams/36/f70a292db3b78564119018a4c9ab51ab.png)
Diagram 1: 1-10
: This is called the "submarine". Black has several responses.
![[Diagram]](../../diagrams/3/6c1cb5ed66cd84c9838667c9bb95b033.png)
Variation 1 at move 2 in Diagram 1: 1-10
: White lives.
![[Diagram]](../../diagrams/17/d3605ae78f56fe6c060b8d8527211d2d.png)
Variation 1.1 (continued)
![[Diagram]](../../diagrams/16/d82d26a966c30c75923dbc780be49473.png)
Variation 2 at move 2 in Diagram 1: 1-4
: Again, Black has a choice of which direction to block.
![[Diagram]](../../diagrams/9/38a0fec4506dda1f79ed6e2157849d8a.png)
Variation 3 at move 3 in Variation 2: 1-2
: This is the key move to live.
![[Diagram]](../../diagrams/7/6935a1a987e1be8462eb334bec23d7de.png)
Diagram 2: 11-17