| Quest of the lost systems |
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| Chapter Four: Aigakari |
| Section 2: Tsukata Special |
The last move cited, P*2f is a calm, good one. At this point, Black is
dominant.
The recent trend is: Whatever moves Habu makes are accepted by other players,
and accredited as Joseki without fully analyzing them. To my surprise, however,
a quick attack P*2d did not always turn out successful.
Tsukata Special (10)
9 8 7 6 5 4 3 2 1
+--------------------------------------------+ Nakahara in hand:
| wL | wN | | wG | | wK | | wN | wL | a +------------------+
+--------------------------------------------+ | 2Ps |
| | | wS | | | wS | wG | wB | | b | |
+--------------------------------------------+ +------------------+
| | | wP | | wP | wP | wP | | | c
+--------------------------------------------+
| wP | | | wP | | | | bR | wP | d
+--------------------------------------------+
| | | | | | | | | | e
+--------------------------------------------+
| bP | wR | bP | | | | | | bP | f
+--------------------------------------------+
| | | bN | bP | bP | bP | bP | | | g
+--------------------------------------------+ Yonenaga in hand:
| | bB | bG | | | bK | bS | | | h +------------------+
+--------------------------------------------+ | 2Ps |
| bL | | bS | | | bG | | bN | bL | i | |
+--------------------------------------------+ +------------------
Diagram 10. Yonenaga(b) vs Nakahara(w), up to Rx2d.
Black's P*2d does not always bring about a positional advantage. Kunio
Yonenaga played Makoto Nakahara in the final of the NHK TV Tournament, on
March 6, 1995, in which Yonenaga, Black, chose exactly the same pattern
of attack.
Moves after the diagram:(from White)
.... P-3d; Rx3d, B-4d;
Then the game sank into one of those difficult games, with White suffering
one P loss, which eventually ended with Nakahara's win.
Moves afterwards:(from Black)
R-3f, R-8b; P-7e, P*2h; N-1g, N-3c; G-3i, G-2c;
S-2g, G-2d;
