When watching master players in action, you often witness many miraculous moves. These techniques are not necessarily the best option of AI. Sometimes, AI can play simpler moves based on precise judgment. However, master players frequently execute these skillful moves due to their exceptionally keen game sense. This article will share the technique of an attach in the sky.
This game came from an Asian tournament, the best player from Hong Kong: Chan Nai San played as black against China's top amateur: Ma Tian Fang. At this moment, white cut, how would you deal with it?
The game is still very early, so the flexibility is great, no matter black play A to fight or B to exchage, they are both fine.
AI opinion is to play 1 to 9, a simple exchange.
But, Chan Nai San demonstrated a very brilliant idea, an attach in the sky! Let's consider the function and incentive of this move.
If white 1 escape, black 2 could divide the white stones, the attach in the sky exchanging with white 1 is a big gain for black.
If white 1 turn on the another way, black 2 is a strong move.
Black 4 and 6 is forcing the white to exchange.
Black 10 could ladder, the exchange is sightly better for black.
If black did not play the attach and play this atari directly.
Black could only ladder 2 stones instead of 3.
As a result, after this attach, no matter white try to escape at A or B, black would always gain, so how should white play?
In the real game, Ma Tian Fang capture at F16, then, Chan Nai San played a combination to net the two white stones, could you find the trick?
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Black 1 atari then black 3 kick, after these exchanges, black 5 hane could capture the two white stones.
If white 1 escape, black 2 could net.
White could not escape!
In this game, Chan Nai San could not win at last, but these tesujis are brilliant and impressive.
At last, let's check out this middle game puzzle, what should white play? Can you find out the tesuji?
That net problem would be a nice 101weiqi problem as well.