MESON Chess Problem Database

Problem Display
PID: 206110 (8/4B3/4N3/p1p1k1p1/PpP3Bp/1KpPp1pP/6n1/2Q5 w - - 0 1)

Dischler, Max

Badische Neueste Nachrichten, 1982

8/4B3/4N3/p1p1k1p1/PpP3Bp/1KpPp1pP/6n1/2Q5

#2

9 + 10

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Qxe3#
    • 1...Sf4
      • 2.Qxe3#
    • 1...c2
      • 2.Qb2#
      • 2.Qa1#
    • 1...e2
      • 2.Qxg5#
  • Tries
    • 1.Ka2?
      • 1...Se1
        • 2.Qxe3#
      • 1...Sf4
        • 2.Qxe3#
      • 1...c2
        • 2.Qb2#
        • 2.Qa1#
      • 1...e2
        • 2.Qxg5#
      • 1...b3+!
    • 1.Qh1?
      • 1...c2
        • 2.Qa1#
      • 1...Se1
        • 2.Qe4#
        • 2.Qd5#
      • 1...Sf4
        • 2.Qe4#
      • 1...e2!
    • 1.d4+?
      • 1...Ke4
        • 2.Qc2#
      • 1...cxd4!
  • Keys
    • 1.Qg1!
      • 1...c2
        • 2.Qa1#
      • 1...Se1
        • 2.Qxe3#
      • 1...Sf4
        • 2.Qxe3#
      • 1...e2
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAR2(A),XP(c)
    • P(c);OGATE::QAR2(A),XP(j)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • S(a);N_GUARD::QAR2(A),XP(c)
        • P(c);OGATE::QAR2(A),XP(j)
      • Refutation
        • P(e);CHECK
    • Try
      • Q(A);
      • Vars
        • P(b);OGATEB::QAB(A)
        • S(a);OGATE::QAR1(A)
      • Refutation
        • P(c);
    • Try
      • P(C);CHECK
      • Vars
        • K(i);P-FLIGHT::QAB(A)
      • Refutation
        • P(h);XP(C)
  • Actual
    • Q(A);
    • Vars
      • P(b);OGATEB::QAB(A)
      • S(a);N_GUARD::QAR2(A),XP(c)
      • P(c);OGATE::QAR2(A),XP(h)
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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).