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The Revenge of  Chess Computers

The Revenge of Chess Computers

The Planet Greenpawn

The Revenge of Chess Computers


A prophetic cartoon from CHESS 1946
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“I take a poor view of that ‘mediocre’ remark of yours, Mountbatten.”

The computer was replying to this:
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It appears computers, like elephants, do not forget and we can blame
the rage of the machines against humans on Lord Louis Mountbatten.

green pawns

Wesley So is the 2017 USA Chess Champion.
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Wes played a stunning game in the 9th round using a series of
checkmates in one and two moves to hamstring White This is
the type of game which is a writers dream. The notes come easy.

J. Xiong - W. So, USA Championship 2017


A look at the first Queen offer from Wesley So.


green pawns

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Francis Percival Wenman (1891-1972) more commonly known as
‘P. Wenman’ authored four books on chess problems in the 1930’s

Here is a picture of the one I have.
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Unfortunately a number of the problems (60 so far have been discovered) have
been classed, and here I use the term from the ‘Problem World’ as anticipated.

You ‘anticipate’ composing a chess problem usually by pure coincidence.
Unknown to you the setting is similar to a previously published problem.

Fair enough, but friend Percy Wenman took ‘anticipation’ to a new level.
Here are just two examples. The solution to both problems are the same.

Mate in 3. The original on the left is by C. Mortzsch published in 1903
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The one on the right appears in a Wenman book The board has simply been rotated.

Solution left: 1. Kg6 Ke7 2. Nf6 Kxf8 3. Bd6 mate.

Solution right: 1. Kf2 Kg4 2. Nf3 Kxh3 3. Bf5 mate

Mate in two The original on the left is by M.Havel first appearing in print in 1903
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The one on the right appears in a Wenman book Place the Rook from g1 to g7.

Solutions left and right: 1. Rg4 Bxg4 2. Qb1# 1. Rg4 Kb3 2. Qxd1# 1. Rg4 Kc1 2. Rc4#

This is a picture of Percy taking part in the 1920 British Chess Championship.
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That picture was taken at the Edinburgh University not far from where I live
I found the exact same spot where the picture was taken and I ‘anticipated.’
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green pawns

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A Mirror Mate is when the King is in checkmate and all 8 squares surrounding
the checkmated King are vacant. As always this is best explained with a diagram.


That is a Mirror Mate.

It’s very rare to see one in an actual game. RHP of course has one in 12 moves.

twinknights - klaus70 RHP2011


green pawns

red doom

Mirror Mates brings us on very nicely to Mirror Knights Forks.

Two Knights are attacking the same square. One sells it life so that
it’s stable companion can deliver a Knight Fork on the same square.

Here is a nice Red Hot Pawn example of it in action.

reverendbaron - burningoak01 RHP 2014

White nicks a Rook and Black is tries to trap the White Queen.


We keep the same pattern, Two Knights attacking c6 with a King and Queen fork

pacopina - justin3d RHP 2013 (White to play)


White failed to spot Nc6+ and Nc6+ and went onto lose.

Old Monk - Bhushaan RHP 2011 (White Play}


White failed to spot Nc6+ and Nc6+ and went onto lose.

Now one that was spotted and set up by the Knights player.

old nick - Per Madsen RHP 2016



We call time on our visit to the dungeons of RHP with this comedy of errors.

cevans - brucemann RHP 2017

I chanced upon this game a few days ago. Was Black’s h5 a trap...you decide.



The thread accompanying this blog is Thread 172561
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Last Post 13 Apr '17
Posts 247
Blog since 06 Jul '10