Checkerboarding is a technique that allows a player to reduce his/her opponents mobility. Though typically making small moves is a prefered method of reducing mobility, checkerboarding actually allows you to restrict your opponent's movement with many pieces on the board. Bear in mind in no way does this justify a maximisation strategy.

Table of contents [hide] 1 Checkerboarding patterns 1.1 Fundementals 1.2 Building Blocks 2 Examples of checkerboarding poitions 2.1 Checkerboarding Peasant 2.2 Beck Vs Fu 3 spotting checkerboarding positions 4 Surviving checkerboarding attempts 4.1 Re-grouping 4.2 Riding the wave [edit] Checkerboarding patterns

[edit] Fundementals

Checkerboarding works by creating patterns that force your opponent into a position that sees them with no access to moves through the centre of the bunch. This will be because:

They have a stone at either end of their prefered lines No pieces on major lines A combination of the two.

The patterns that checkerboarding creates have to be consistent amongst the entire bunch otherwise opponents will have moves that cut the bunch in other areas giving them back the access that you are trying to deprive them of. For this reason it is usually the case that checkerboarding positions occur in the Opening when the position is simplified.

[edit] Building Blocks

The board below demonstrates some of the typical patterns that can occur within a checkerboarding scenario.

. .. .1. .2. .3. .4. .5. .6. .7. .8. . . A B C D E F G H -

The typical building block for checkerboarding positions will normally consist of one players pieces being central while the player being checkerboarded will have scattered pieces in the corners. These patterns can then be repeated numberous times throught the bunch. However other checkerboarding positions do exist, probably the most commonly played checkerboarding position is the Tiger opening and some of its variations - such as Leaders Tiger, Stephenson, and Rose-bill (see mobility for some more infomation).

The player who has been placed in a checkerboarding position is likely to have very few options to make quiet moves. and will usually have to either consolidate their pieces by making a loud move or ride out the checkerboarding attempt until an opportunity arises to cut through the middle of his/her opponent's pieces, to regain mobility. This is described below in the 'surviving a checkerboarding position' section in more detail.

[edit] Examples of checkerboarding poitions

[edit] Checkerboarding Peasant

The opportunity to play checkerboarding positions usually arises early on in the opening, as positions are more simplistic. Below is usch an example: The Checkerboarding Peasant or Pyramid (c4 c3 d3 e3 c2 d6 e2 d2 f3 f4 e6) is a continuation of the Peasant or Snake opening, Figures 1.0 and 1.1 show this.

Figure 1.0 + 1.1

The move to E6 removes White's pieces from the E column and row 3. preventing any moves along these lines. It also creates the classic checkerboarding position from whites pieces. As shown below.

. . 1 2 3 4 5 . .----------- A | X O X . . B | O O O . . C | X O X . .

This pattern is repeated throughout the bunch. The stones assigned to the red, yellow and blue boxes (below) are portions of this pattern. Notice that it is not necessary for the pattern to be complete for the checkerboarding position to work.

As for deciding upon a reply for white, whites sensible options (i.e. - not B2) result in:

Loud moves - B4, F3 + F6 Bad shape - F5 Further checker boarding poitions - C4

In tournament games - If you can find a checkerboarding position that an opponent is unfamiliar with then it is likely to force them to take up some considerable time determining the best move.

See also Modifier

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