Problem 693: Zivko Janevski

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Problem 693: Zivko Janevski - Helpmate

(11.01.2016) Here is the first original for 2016 - a helpmate with very rich thematic content by Zivko Janevski!

1.Sfg5 dxc3+ 2.Ke5 Bxd6#

1.Seg5 d3 2.Kxd5 Rxd6#

Combination of double unpin of wPd2 on the same square, black self-pin and pin-mates on the same square. (Author)

Comments

+2 #1 Vitaly Medintsev 2016-01-11 20:44

Compare to:

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+4 #2 Miodrag Mladenovic 2016-01-11 22:06

Beautiful problem. Actually both problems are great (by Zivko and by Michal). Although there is some similarity problems are actually very different. While in Michal's problem unpinning white pieces is Queen in Zivko's problem it's a Pawn. Also Zivko's problem is showing mates on the same square while Michal's problem has two battery mates. Although Zivko's problem is more economical (8 pieces less) I like more Michal's problem because it's harder to prevent cooks with white Queen on the board. Also it's nice that white Queen pins black night right after it's unpinned.

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+2 #3 Seetharaman Kalyan 2016-01-12 07:55

Michale's problem is very nice with the added theme of unpinned piece pinning the unpinner. (The Dalton theme?)

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+2 #4 Vitaly Medintsev 2016-01-12 09:30

This comparison shows that rather different content can be presented when using similar pattern.
Zinko's h#2 has better homogeneity of the play.
For instance, the aim of unpinned WP is guard flights only when in Mihchal's h#2 unpinned WQ not only pins BS but guards g3 square in the 2nd solution (that is why not 1...Qf1?). Also, in Mihchal's problem there is no bi-valve after Se5-f3 since WQ guards e3 square, and Sd2-f3 is clear bi-valve since there is c1-h6 line-opening effect.
However, I like Mihchal's h#2 more since it presents more complex mechanism though not perfect.
Too perfect chess problems (with completely matched solutions) often show a mechanistic play, and - in this respect - they are lifeless. Life is not perfect. Therefore, we must excuse some shortcomings