One-Two-Three example 4

  Difficulty: Advanced   Keywords: Tactics
Standard suji  

There are two well-known cases for the One-Two-Three principle that occur in this position: White to play here. The choices made in pro games in the rectangle shown, anywhere on the side, reveal a marked preference for applying that concept, when this search is run on a database.

White's connection  

The cases in which W1 is played, rather than White at a, Black at b, then White at W1: the preference here is about 5:1.

Black's defence  

The cases in which B1 is played immediately, rather than after Black at a, White at b: the preference is about 2:1.

Black probes  

Black can certainly find good reason on occasion to play B1 and B3 this way: that leaves a cutting point at c to target.

Omitting the bend  

When Black plays black+circle directly, he can argue that this leaves open the way to an endgame play at d (or further). In fact the statistics, though not a very large sample, suggest that Black is more likely to follow with an attack at e. If that is the case, one can see why Black to be consistent should't give White a stone at d, first.

Charles Matthews

One-Two-Three example 4 last edited by CharlesMatthews on May 26, 2003 - 10:49
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