No. 231, June 2008
13750 - Bernd Schwarzkopf
Die Schwalbe 231, June 2008
2+3. #6 (Maximummer)
[7k/6p1/8/2Pp4/8/6K1/8/8]
Solution
13758 - Michel Caillaud
Dedicated to Günter Lauinger
12+13. #2
[r3krb1/3ppp2/5p2/1Qp2p1N/2P2P1q/p3P1P1/P3PP1B/R3K2n]
13759 - Werner Keym
14+10. #3
[r3k2r/1p2p1p1/NPp1P2B/1Pp1p3/b3Q1P1/1N4P1/1P4P1/R3K2R]
13760 - Andrei Kornilov, Andrei Frolkin
14+14. Mate? Release the position!
[N4K1B/r1pprPNR/pp2PkRb/4pp1Q/6pp/1P6/b1PP2P1/1B2n3]
13761 - Nicolas Dupont
14+12. Shortest proof game in 19.5 moves
[k1N2N1b/1b2n1r1/1p4p1/1p2q1p1/n6r/8/P1PPPP1P/R1BQKB1R]
13762 - Bernd Gräfrath
10+12. Shortest proof game in 8.0 moves (Losing Chess)
[rnb1kb1q/pp1ppp2/2p5/8/8/8/P1PPP1P1/RN3BNR]
13763 - Klaus Wenda
2+9. -5 & #1 (Proca without forward defense, Anticirce)
[1b5R/pkp5/7p/1r6/5p2/8/8/2r1Kb2]
13764 - Wolfgang Dittmann
6+12. -13 & #1 (Proca, Anticirce)
[R1bk4/p2p2p1/1p1P4/5P2/2p1P3/3Kb3/4Prr1/3n2q1]
13765 - René J. Millour
A: 12+12
B: 3+1
(Alice chess) Add the black king so that the length of the shortest proof game is a) minimal b) maximal. What is the geometrically longest queen route in a)? What is the geometrically shortest queen route in b)?
A: [rn1q1b1r/ppppp1pn/8/8/8/8/PPPP1PP1/RNB2BNR]
B: [8/8/5p2/8/4P3/8/7Q/4K3]
13766 - Bernd Schwarzkopf
Gesucht ist ein Illegal Cluster mit möglichst vielen und möglichst vielen unterschiedlichen Steinen des Partiesatzmaterials auf einen Geraden und einem weiteren wei?#376;en Stein auf wei?#376;em Feld.
Find an illegal cluster with as many as possible, and as many different pieces from the initial game array as possible, on a horizontal line, and another white piece on a white square.
13767 - Werner Keym
Dedicated to Wolfgang Dittmann's 75th birthday
Konstruiere ein Illegal Cluster mit den Königen, zwei Offizieren und zwei wei?#376;en Bauern. Der Abstand zwischen König und König, zwischen Offizier und Offizier sowie zwischen Bauer und Bauer ist gleich und möglichst gro?#376;.
Construct an illegal cluster with both kings, two officers and two white pawns. The distance between the two kings, the two officers and the two pawns is equal, and should be as large as possible.