MESON Chess Problem Database

Problem Display
PID: 141473 (8/8/3pp3/2P5/KNpkp1P1/6P1/Q2P4/8 w - - 0 1)

Reimann, Friedrich

I Uppnami, 1901

8/8/3pp3/2P5/KNpkp1P1/6P1/Q2P4/8

#2

7 + 5

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Qxc4+?
      • 1...Ke5
        • 2.Qc3#
      • 1...Kxc4!
    • 1.Qa1+?
      • 1...c3
        • 2.Qxc3#
      • 1...Kxc5!
    • 1.Qb2+?
      • 1...c3
        • 2.Qxc3#
      • 1...Kxc5!
  • Keys
    • 1.Qa3!
      • 1...Kxc5
        • 2.Qe3#
      • 1...Ke5
        • 2.Qc3#
      • 1...dxc5
        • 2.Qc3#
      • 1...c3
        • 2.Qxc3#
      • 1...e3
        • 2.Qxe3#
      • 1...d5
        • 2.Sc6#
      • 1...e5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK,XP(a)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • P(a);P_SPINP(a)::QAB1(A),XP(a)
      • Refutation
        • K(b);S_FLIGHT,XP(G)
    • Try
      • Q(A);CHECK
      • Vars
        • P(a);P_SPINP(a)::QAB1(A),XP(a)
      • Refutation
        • K(b);S_FLIGHT,XP(G)
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT,XP(G)::QAB(A)
      • K(b);S_FLIGHT::QAB(A)
      • P(d);SBLOCK,XP(G)::QAB1(A)
      • P(a);::QAB1(A),XP(a)
      • P(c);::QAB1(A),XP(c)
      • P(d);SBLOCK::S(E)
      • P(e);SBLOCK::QAB1(A)
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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).