The app cheats!
No it does not.
First of all, the chess engine has been tested
extensively for years when it was competing in
official tournaments. If it was not following every
rule of chess, it would have been disqualified.
Second, please think about it for a while. Why would
the app cheat? It has been designed to help you
improve your chess, not to try to win against you at
any cost! It would not make any sense!
Third, we have noticed that a number of points in the
official rules of chess are vastly misunderstood or
not known at all. They are the en passant capture, the stalemate, pinned pieces and the
ability to have more than one Queen.
- The "en
passant" capture is a strange move where
a pawn capture another pawn located at the left or
right of it, and lands on an empty square. It is a
legal move and you will find it in the rules.
En passant is a
retaliatory reply to the opponent's opening
pawn move to the fourth row from the second
row to avoid capture by the other player's
pawn which has advanced to their fifth row.
The passing pawn can be captured
by the pawn next to it on the next move
only in a diagonal capture on to an
empty square on the board as though it was
actually capturing a physical pawn.
- A stalemate
occurs when you manage to totally block your
opponent. Generally he has almost no piece left,
just his King and maybe a pawn or two, and he has
no legal move anymore. Some people believe that
they have won the game at this point, but in
reality it is a DRAW! Your job is to checkmate the
opponent's King, not to block it. You will find
the stalemate in the built-in rules, and also here.
the app will not allow you to make a move.
It generally means that by moving this piece, you
would leave your King exposed to a direct attack,
which is not allowed (in chess, you cannot commit
suicide). The piece is said to be "pinned".
- A side is allowed to have more
than one Queen. If a player has still his Queen and manage
to push a pawn to promotion, then
he can promote the pawn to Queen
and therefore have two Queens
on the board. In theory, it would
be possible for a player to have up to
9 Queens on the board, by promoting all of his pawns. It does
not matter that a
physical chess set has only one
Queen of each color. In real life,
if a player needs an additional
Queen he can use
a small object (a lighter, a coin,
a pebble or anything...) to represent a Queen so
he can continue the game. When a
Rook of the right color is available (because
it has already been captured) it is common to
and to put it upside down on the chessboard to represent a
Queen. On a computer we
do not have this problem and so we draw as many
Queens as required.
When you believe the app is trying to cheat on you,
please contact us. Take a picture of the current
position by pressing both the "Home" button (the
button that takes you back to the list of your apps)
and the button located on the corner of your device
(the on/off button). You will hear a distinct sound
and the screen will flash.
This will store a snapshot of what you see on the
screen into your camera roll. Then you can send us the
picture by email, with your question, to firstname.lastname@example.org