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Stuttgarter Zeitung

Christmas Contest, 2008

Dear Retro Friends,

The traditional chess solving contest of the "Stuttgarter Zeitung" has
been published on 24th of December. You can find the German original here:

Icon: Link http://kaniaverlag.de/htm/Weihnachts2008.html

Here is my translated summary of the chess column by Harald Keilhack [by Jens Guballa]:


Send your solutions until 15th of Jan 2009 latest (post stamp) to

Stuttgarter Zeitung (Schach)
Postfach 106032
70049 Stuttgart
Germany

Among the senders of correct solutions for problem A and B the following prices are drawn by lot:

• a Falk navigation system E30
• an Apple i-Pod "nano" 4GB
• a Panasonic micro wave "NN-K125M"

Take care, that after the retraction, the removal or addition of a chess man a legal position occurs, and take care which side has the move, respectively can For the retractor problems B and E each party decides by itself if and by the case which chess man is uncaptured.

In addition please check if more than one solution exists.

Have fun solving and commenting


A - Werner Keym

Stuttgarter Zeitung, 2008

[[Q7/1K6/8/3p4/6R1/5k2/4R1N1/7N]]

6+2-1. Remove a chess man. Then checkmate in two moves.

[Q7/1K6/8/3p4/6R1/5k2/4R1N1/7N]

Solution


B - Günther Weeth

Stuttgarter Zeitung, 2008

[[4k2r/1KpR4/7p/4NP2/8/8/8/8]]

4+4. White retracts his last move and instead checkmates in two moves.

[4k2r/1KpR4/7p/4NP2/8/8/8/8]

Solution


And now for the experts three additional problems. For E, it is important to keep the initiative by clever uncaptures with retroanalytic constraints.

All senders of correct solutions will be published and they receive a book price.

C - Günther Weeth & Werner Keym

Stuttgarter Zeitung, 2008

[5K1k/7p/4P3/5PP1/8/8/8/8]

4+4+2. Add a pawn and an additional chess man, so that the last move giving check is unique. One solution is given: +bPd5, +wBa1. Unique last move was e5-e6+.

[5K1k/7p/4P3/5PP1/8/8/8/8]

Solution


D - Günther Weeth

Stuttgarter Zeitung, 2008

[[n3n3/B1pp1Qpp/pp1P1PB1/3KpP2/8/2Nk4/2RP1P1P/1b2R3]]

13+11+1. Add a black knight or bishop (JG: in German it is called "Leichtfigur", = light piece?), then checkmate in two moves.

[n3n3/B1pp1Qpp/pp1P1PB1/3KpP2/8/2Nk4/2RP1P1P/1b2R3]

Solution


E - Günther Weeth / Werner Keym

Stuttgarter Zeitung, 2008

[[4kbKQ/2pRp1pr/p2p3P/PpP2p2/8/1P5P/4PPP1/5B2]]

12+10. White and black retract as less moves as possible, whereas black tries to defend, then checkmate in one move.

[4kbKQ/2pRp1pr/p2p3P/PpP2p2/8/1P5P/4PPP1/5B2]

Solution