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Die Schwalbe

No. 243, June 2010

14506 - Nikolai Beluhov, Henrik Juel, Andrei Frolkin

Die Schwalbe 243, June 2010

14+12. Last move?

[6n1/3p1P1b/5pnr/5KpQ/3P3Q/2PpNk1B/1Pp1RP1P/b1rB2R1]

Solution

14507 - Werner Keym

Die Schwalbe 243, June 2010

3+7. White forces mate. Shortest complete solution?

[Deutsch: Weiß erzwingt Matt. Kürzeste vollständige Lösung?]

[r3k2r/pp4pp/4K3/8/8/2Q5/8/2B5]

Solution

14508 - Werner Keym

Die Schwalbe 243, June 2010

14+8. Maze in 2 moves

[4Bk2/1p3P2/1R3P1N/N1pPpKpP/nB1p4/p1P5/1R2P1P1/8]

Solution

14509 - Guy Sobrecases, Michel Caillaud

Die Schwalbe 243, June 2010

13+12. Shortest proof game in 19.0 moves

[rnb1kbnr/p1p1pp2/4p3/8/6B1/P1PP1Q2/P2PKP2/1N1RR1N1]

Solution

14510 - Kostas Prentos, Mario Parrinello

Die Schwalbe 243, June 2010

14+12. Shortest proof game in 19.5 moves

[2bqkbnr/1ppppRp1/1p6/RB3K2/8/3P1QPP/P1PNNP2/2B5]

Solution

14511 - Silvio Baier

Die Schwalbe 243, June 2010

Dedicated to Nicolas Dupont

12+16. Shortest proof game in 29.5 moves

[1b6/1ppn2p1/2qk2b1/2rn2p1/1p4r1/2p1p1p1/1PP1P1P1/RNBQKBNR]

Solution

14512 - Bernd Gräfrath

Die Schwalbe 243, June 2010

11+14. Shortest proof game in 9.5 moves (Losing Chess)

[rn2kbnr/1p2pppp/2p5/8/2bq4/8/1P1P1PPP/1NBQK1NR]

Solution

14513 - Bernd Gräfrath

Die Schwalbe 243, June 2010

12+12. Shortest proof game in 10.0 moves (Losing Chess)

[2r1k1nr/p1p1pp1p/3p4/8/3n4/6P1/2PPPP1P/bNBQK1NR]

Solution

14514 - Wolfgang Dittmann

Die Schwalbe 243, June 2010

Dedicated to Günther Weeth's 75th birthday

11+9. -22 & #1 (Proca retractor, Anticirce)

[1kB2K1b/1PpP3P/1Pp3P1/2p5/2p1Pr2/5P1r/6NP/7b]

Solution

14515 - Alain Brobecker, Computer

Die Schwalbe 243, June 2010

12+4. Rotate the board for a legal position. Mate?

[kB6/R1P3p1/RKP2pp1/1PPP1P2/2PP4/8/8/8]

Solution

14516 - Nikolai Beluhov

Die Schwalbe 243, June 2010

+---+---+---+---+---+---+---+---+
| K | S |*K | P | P |   | B |*B |
+---+---+---+---+---+---+---+---+ 

KSkPP1Bb (5+2)

+---+---+---+---+---+---+---+---+
| K | B |   |*B | S | P | P |*K |
+---+---+---+---+---+---+---+---+

KB1bSPPk (5+2)

At eye level and from two different directions, the pieces appear as shown. Pieces are only hidden by similar pieces (so behind a pawn, only other pawns can hide). Given that White may mate in one, reconstruct the position.

[Deutsch: In Augenhöhe und aus zwei unterschiedlichen Richtungen erscheinen die Figuren auf dem Brett wie dargestellt, dabei werden Steine nur durch gleichartige vollständig verdeckt. Rekonstruiere die Stellung mit dem Wissen, so dass Weiß in einem Zug mattsetzen kann.]

[NOTE JdH: I removed the coloring of the squares in 14515 and 14516, because I believe they are unnecessary.]

[NOTE OJ: Modified German text and English translation according to Thomas Brand's mail on the RML, 27.06.2010.]

Solution