Quest of the lost systems

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Chapter Two: Furibisha

Section 5: Masuda-shiki Ishida-ryu

Masuda's Ishida-ryu: the 6th game (5)

   9    8    7    6    5    4    3    2    1
+--------------------------------------------+       White in hand:
| wL | wN |    |    |    | wG |    | wN | wL |  a   +------------------+
+--------------------------------------------+      |   B              |
|    | wR | wG |    |    | wK | wS |    |    |  b   |                  |
+--------------------------------------------+      +------------------+
| wP |    | wP | wS | wP | wP |    | wP | wP |  c
+--------------------------------------------
|    |    |    | wP |    |    | wP |    |    |  d
+--------------------------------------------+
|    | wP | bP |    |    |    |    |    |    |  e
+--------------------------------------------+
|    |    | bR |    |    |    |    |    |    |  f
+--------------------------------------------+
| bP | bP |    | bP | bP | bP | bP | bP | bP |  g
+--------------------------------------------+      Black in hand:
|    | bS | bG |    |    |    | bS | bK |    |  h   +------------------+
+--------------------------------------------+      |   B              |
| bL | bN |    |    |    | bG |    | bN | bL |  i   |                  |
+--------------------------------------------+      +------------------+

The diagram above is from the 6th game of the meijin-sen (held on 3 & 4 June, 1971), where Oyama, the White player, just moved his Gold to 7b, a wary positioning. After this, too, Oyama made every effort not to let out any loose ends, from which the furi-bisha side could open hostilities.

After the Diagram: (from Black)

P-9f, P-9d;       S-7g, K-3a;       P-1f, P-1d;       S-6f, S-3c;
S-5e, P-5d;       S-4f, G-4b;       N-7g, K-3b;       P-5f, S-4d;
P-2f, G-7a;       P-3f, G-6a;

The two moves, G-7a and G-6a from above, speak loudly that the player is Oyama. So far, Oyama seems to have effectively blocked Masuda's attack.

Then after this: (from Black) P-6f, R-8d, B*6g. The elaborate procedure follows after this, which makes us admire Masuda's talent, but the Bishop drop in his own territory cannot be a very good idea, because in this case, it was only to pry open the deadlock on his part. Even if we can't say which side is leading at this stage, or make a judgement as to the quality of the whole game, it is clear that Masuda's typical dynamism failed to surface in this game. So, this game tells us that Black is likely to walk into a deadlock when White plays very cautiously. Sennichite, or repetition of moves, is what Black wouldn't welcome, so gradually, this strategy got less and less popular when playing black. Rather, it got to be a white player's tactic.

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