MESON Chess Problem Database

Problem Display
PID: 17654 (b7/1BK5/5p2/1R1N1p2/2p1k3/1Np1P2Q/3np3/1q1n4 w - - 0 1)

Hassberg, Eric Manfred

1st Prize, Olympic Ty., 1948

b7/1BK5/5p2/1R1N1p2/2p1k3/1Np1P2Q/3np3/1q1n4

#2

7 + 10

14617 Olympic Ty. Award (1948) 1948
268 Chess Life 1955
5064 100 Years of the American Two-move Chess Problem 1962
3105 FIDE Album (1945-1955) 1964
56 The Problemist 1980
145 StrateGems 1998
56 The Problemist 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Sb4#
    • 1...Ke5
      • 2.Sf4#
    • 1...Qd3
      • 2.Sxc3#
      • 2.Sxf6#
    • 1...Sxe3
      • 2.Qxe3#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qxf5#
      • 1...Kd3
        • 2.Sf4#
      • 1...Ke5
        • 2.Sb4#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...f4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(g);S_FLIGHT::S(E)
    • K(g);P-FLIGHT::R(D)+S(E)
    • S(b);OGATE,XP(B)::QAR1(C),XS(b)
  • Actual
    • S(A);
    • Threat
      • QAB1(C),XP(h)
    • Vars
      • K(g);S_FLIGHT::S(E)
      • K(g);P-FLIGHT::R(D)+S(E)
      • S(b);OGATE,XP(B)::QAR1(C),XS(b)
      • P(h);::QAB1(C)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).