Die Schwalbe

No. 218, April 2006

13014 - Andrej Frolkin & Andrej Kornilow
Die Schwalbe, No. 218, April 2006

10+12. Captures by the Kings?

[7N/2b2bp1/4bqbb/3b4/7K/5PPP/Pb1PPRpk/4bQ2]

13015 - Werner Keym
Die Schwalbe, No. 218, April 2006

6+11. Retract 2 moves; then #2 (Proca retractor)

[4k2r/2P3p1/3prp1p/3Kpp2/2P5/4PQ2/5p2/2B4b]

13016 - Roberto Osorio & Jorge Joaquin Lois
Die Schwalbe, No. 218, April 2006

9+11. Retract 7 moves; then #1 (Proca retractor)

[8/p2p3p/P2P3P/p2p4/PppPk1pb/7R/1P2P2r/5K2]

13017 - Jorge Joaquin Lois & Roberto Osorio
Die Schwalbe, No. 218, April 2006

(This problem was later found to be cooked)

15+15. Proof game in 22.0 moves

[rn2k3/ppp1pRBQ/1Qq2ppp/3r3n/8/b1NB1N2/P1PP1PPP/1R1b2K1]

13018 - Nicolas Dupont
Die Schwalbe, No. 218, April 2006
Dedicated to Gerd Wilts

13+14. Proof game in 23.5 moves

[r2bk3/p6p/1nr1p2p/3rp3/1p4n1/3PP2b/PPP1K1PP/RNB3NR]

13019 - Alexander Jarosch
Die Schwalbe, No. 218, April 2006

11+9. Add two White Pawns and 5 Black Pawns to get a Illegal Cluster, in which every single chessman may be removed to get a legal position [German: "Ergänze 2 wei?#376;e Bauern und 5 schwarze Bauern so zu einer legalen Stellung, dass nach Entfernen eines jeden Steines die Stellung legal bleibt"]

[1n6/b5n1/R2k2Rb/q5p1/1P5N/B1N1K2r/1B4PB/3Q2r1]

13020 - Günther Ernst Weeth
Die Schwalbe, No. 218, April 2006
Dedicated to Wolfgang Dittmann and Klaus Wenda

1+11. Retract 7 moves; then #1 (Proca Retractor, Anti-Circe)

[r7/3p4/7b/3n4/pp2nq2/kb6/p7/4K3]

13021 - Martin Walter
Die Schwalbe, No. 218, April 2006

16+10. Proof game in 7.5 moves (Anti-Circe)

[1nb1k1n1/1pp1pp2/8/p6p/8/8/PPPPPPPP/RNBQKBNR]

13022 - Hauke Reddmann
Die Schwalbe, No. 218, April 2006

12+12. Mate in 3 moves (C+)

[2krq2r/qqqqqqqq/8/8/8/8/QQQQQQQQ/R2Q1RK1]

13023 - Mario Richter
Die Schwalbe, No. 218, April 2006

10+10. Proof game in 10.0 moves. Which castlings are still allowed?

[r2qkbnr/1p1pp1p1/8/8/8/8/1P1PPPP1/R1B1KB1R]