Nice move discovered during self review with ELF:

It is very strong on many boards.

What is your opinion?

Click Here To Show Diagram Code

[go]$$B
$$ --------------------+
$$ . . . . . . . . . . |
$$ . . . . . . . . . . |
$$ . . . . . . 1 . . . |
$$ , . . . . 5 , 3 . . |
$$ . . . . . . 4 2 . . |
$$ . . . . W . . . . . |
$$ . . . . . . . . . . |
$$ . . . . . . . . . . |
$$ . . . . . . . . . . |
$$ , . . . . . , . . . |[/go]

It appeares only once in my pro database:
Yata Naoki 9p - Kubo Katsuaki 9p, B+4.5 (Komi 6.5)
42nd Japanese Tengen, preliminary, 2015-10-07

Click Here To Show Diagram Code

[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O O . . O . . . . . . . O . . . . |
$$ | . X . , . . . . . , . . . . . , X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . X X . X . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . W . . . . . . . . . . . . . |
$$ | . . O O . . . . . . . . . . . . . . . |
$$ | . . X , X . . . . , . . . . O , X . . |
$$ | . . . X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

_________________
The Adkins Principle:
At some point, doesn't thinking have to go on?
— Winona Adkins

Visualize whirled peas.

Everything with love. Stay safe.

The old ways are the best

A move to remember.

It forstalls which was common for black when was popular. AlphaGo wasn't much into defending the group and often left it dangling, whereas the human idea was that it's heavy and needed a "base", hence . So this is not so surprising now. That doesn't mean I think I can play in your diagram and handle it well, but it's interesting.

Click Here To Show Diagram Code

[go]$$B
$$ --------------------+
$$ . . . . . . . . . . |
$$ . . . . . . . . . . |
$$ . . . . . . 1 . . . |
$$ , . . . . 5 , 3 . . |
$$ . . . . . 7 4 2 . . |
$$ . . . . . . . . . . |
$$ . . . . . . . . . . |
$$ . . . . . . . . . . |
$$ . . . . . . . 6 . . |
$$ , . . . . . , . . . |[/go]

So you mean like this one played by Ito Matsujiro 6d in a game against Yasui Sanchi IX 7d played in 1839?

Click Here To Show Diagram Code

[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . O . . . . |
$$ | . . O , O . . . . , . . . . . , X . . |
$$ | . . X X . . . . . . . . . . O . X . . |
$$ | . . . . . 1 . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . X . O . . . . . . . . . . O O . . |
$$ | . . X , . . . . . , . . O . . , X X . |
$$ | . . . . O . . . . . O . . X X . . . . |
$$ | . . . X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

_________________
Dave Sigaty
"Short-lived are both the praiser and the praised, and rememberer and the remembered..."
- Marcus Aurelius; Meditations, VIII 21

in humangames the knights move is only used in special cases like the examples you mentioned,still couldnt find the move in the early openening anywhere.