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Deep invasion - example |
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In the game shown on the right it is White's turn to play. All the framework stones are stable and seemingly all the major boundaries are defined. It is time to count! The diagram shows a crude rendering of where territory (stones and spaces) should accrue. Where either side might acquire the intersection this is indicated by grey. White dominates 154 intersections and can anticipate acquiring roughly half of the 42 intermediate intersections giving a total of 175. But this is 6 short of the 181 needed to win. Given this narrow margin perhaps White should instigate a more accurate count, but for our purposes let us assume that this count errs on the side of optimism. How should White use this information? |
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Invasion? |
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White 1 is White's only hope of winning. If it doesn't work and White is a strong enough player to be certain of this, then, as a matter of etiquette, White might consider resignation. Putting matters of etiquette aside, the beauty of |
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Blunder! |
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After black 2 (option A) |
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The correct response |
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If Black plays correctly White cannot win. The best response is |
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