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MatPlus.Net Forum RebNora recovered texts Pawn becoming Queen as key
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(1) Posted by Zalmen Kornin [Monday, Jul 16, 2007 18:48]

Pawn becoming Queen as key

Pawn becoming Queen as Key

Whe we essay to define what should be considered as a ‘good’ or even an ‘excelent’ key, to transform a Pawn in Queen would be, of course, one of the first moves to be disdained: The increased mobility of the new piece is so ostensible, that we will find, in the litterature, the move ‘Pawn eight equal Queen’ appearing, almost exclusively, as try: the strongest coronation defeated by Black in a quite subtle way, and the solver having to find another path for the fulfilment of the proposition... Then a good advice for the novice is – “avoid the CRUDE P=Q as key” – But... (in Chess composition , it seems that a ‘but’ make it’s appearence always when we declare something categorically...) BUT:

W. Pauly “The Theory of Pawn Promotion” 1912

(= 9+5 )

Mate in Three Moves #3

Pauly, who created an impressive series of Problems featuring underpromotion, presents now 1.a8=Q!! – not only defending ‘f8’, but also threatening Qe8-f7 (or Bf7) – The point come after the defenses 1...cd6 and 1...c5 – the force of the new Queen must to be masked in a striking way!

In Helpmates, to promote a Pawn to Queen in order to sacrifice the new piece during the solution is a very esteemed trick – but one of the leading H# composers present, for our delectation, following:

G. Paros “Magyar Sakkélet” 1955 I Pr.

(= 3+6 )

h#6 0.1 ... (helpmate in six, white to play)

Here an echo in the first and the last white moves is blended with other pleasant features...

(I would appreciate if other examples in this topic arrived to be presented here – Thanks)

Posted: Thu Aug 25, 2005 6:33 am

*****This was an article from that ill-fated Problems Forum, from where I can not find currently any trace on-line, not even ‘in cache’.
Therefore I can paste here only my initial post, and that because I have it (still) in my archives – There was some answers, from which I retained only a highly interesting four-mover presented by a Dutch chess problems friend, who was very assiduous there (an invaluable contribution, as this Problem was not on-line in other places)::

T. Siers
“Herdfeuer” 1934
(= 10+10 )


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(2) Posted by Aleksey Oganesjan [Wednesday, Dec 4, 2019 11:57]; edited by Aleksey Oganesjan [19-12-04]

This is my recent example on this subject:

Aleksey Oganesjan
TT-208, SuperProblem, 2018
2nd HM

(= 8+8 )


1.a8Q! zz
1...Sa6 2.Qxb2+! Kxb2 3.Qh8#
1...Sd7 2.Qxa2+! Kxa2 3.Qa8#
1...cxb5 2.Rxb1+! Kxb1 3.Qh1#

"The key is necessary but too strong" - these are words of TT judge (Grigory Atayants), with which one cannot but agree.
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(3) Posted by seetharaman kalyan [Wednesday, Dec 4, 2019 13:08]

Nice. Rare queen-queen zilahi i think
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(4) Posted by Hauke Reddmann [Wednesday, Dec 4, 2019 13:44]

I can post an example after the SCHWALBE 228 TT is through.
Meanwhile (can find it offhand) the only Punk problem ever:
1.gxh8Q=Q+ (check, takes flight ...but it's "White to play" :-)
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(5) Posted by Geoff Foster [Thursday, Dec 5, 2019 01:18]

The following example has a triple Grimshaw.

Vitaly & Sergei Pimenov
3 Prize, BCF Ty 1929-30
(= 10+10 )

1.g8=Q! (>2.Qd5)
1...Bb4 2.Qc4
1...Rb4 2.Qxc5
1...Bf3 2.Be3
1...Rf3 2.Se2
1...e6 2.Qgd8
1...Be6 2.Qg7
(Read Only)pid=18427
(6) Posted by Geoff Foster [Thursday, Dec 5, 2019 01:49]

In the following example the aim is stalemate. The twinning is consecutive, which means that each change is made to the previous position.

Gerhard Maleika
2 HM The Problemist 2014 (section 2)
(= 8+2 )

(b) -Pc7
(c) & -Pd7
(d) & -Pe7
(e) & -Pf7

1...Sc2 2.Sxc2
1...Sb3 2.Qb7

1...Sc2 2.Qdd3
1...Sb3 2.Qb6

1...Sc2 2.Qe4
1...Sb3 2.Qb5

1...Sc2 2.Qf5
1...Sb3 2.Qfb4

1...Sc2 2.Bh7
1...Sb3 2.Bxb3

The judge, Julia Vysotska, commented: "A highly amusing 5x2 change of variations in the form of striptease twins. The first and the last twins break the rather mechanical concurrent play, while the perfect construction makes a memorable impression. A problem to amuse."
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(7) Posted by Olaf Jenkner [Thursday, Dec 5, 2019 22:30]

In this selfmate the author used the promotion to avoid a promoted piece in the position:
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MatPlus.Net Forum RebNora recovered texts Pawn becoming Queen as key