No.635 (PR)

Paul Rãican


Original Problems, Julia’s Fairies – 2014 (III): September – December

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No.635 by Paul Rãican – Rich play with only two neutral pieces on the board! (JV)


Sentinels Pion neutre: When a piece (Pawn excluded) leaves a square outside the first and last rows, a white piece leaves a wP, a black piece leaves a bP and a neutral piece leaves a nP unless 8 Pawns of that color are already on the board.

Royal piece: Piece that executes a function of the King on the board.

Pser: This is the original definition by its inventor, Dan Meinking: A parry series-mover differs from a standard series-mover prior to the last move as follows:

  1. the series-side may give check during the series;
  2. when checked, the idle-side must immediately parry the threat;
  3. a parry-move may be helpful or defensive, depending on the problem-type;
  4. after a check-and-parry, the series-side continues the series.

Every Pser problem combines two stipulations:

Part 1 – Pser, which indicates the special series play with participation of both sides according to the author’s definition;

Part 2 – the kind of problem, according to well known stipulations, which can show direct play (n#, n=, s#, s= r#, r=, etc), help play (h#, h=, h==, etc) or mixed play (hs#, hs=, hs= =, etc).

Phser-#n: Pser problem where the parry-move is helpful (point 3 by Meinking) and the kind of problem is a Direct mate in “n” moves (Part 2 by Meinking).

(See more about Pser in the article “The Wonderful (new genre) Parry Series“, IGM Petko A. Petkov)

No.635 Paul Rãican

original – 31.10.2014

Solutions: (click to show/hide)

neutral pa5 neutral royal rc8

Phser-#7                      (0+0+2n)
2 solutions
Sentinels PionNeutre
Royal Rc8

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