MESON Chess Problem Database

Problem Display
PID: 227801 (3N4/Q5p1/3k2K1/5P2/6p1/6P1/2N5/8 w - - 0 1)

Michlo, Jozsef

Nepszava, 1926

3N4/Q5p1/3k2K1/5P2/6p1/6P1/2N5/8

#2

6 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qd4#
    • 1...Ke5
      • 2.Qd4#
  • Tries
    • 1.Kg5?
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...g6!
    • 1.Kxg7?
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke5!
    • 1.Qd7+?
      • 1...Kc5
        • 2.Qc6#
      • 1...Ke5
        • 2.Qe6#
        • 2.Qd4#
      • 1...Kxd7!
    • 1.Qf7?
      • 1...Ke5
        • 2.Qe6#
      • 1...Kc5!
    • 1.Qxg7?
      • 1...Kd5
        • 2.Qd4#
      • 1...Kc5!
    • 1.f6?
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...gxf6!
  • Keys
    • 1.Qb7!
      • 1...Kc5
        • 2.Qc6#
      • 1...Ke5
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAR1(E)
    • K(b);S_FLIGHT::QAB1(E)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
        • K(b);S_FLIGHT::QAB1(E)
      • Refutation
        • P(c);
    • Try
      • K(D);P-FLIGHT,XP(c)
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT,XQ(E)
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);XP(c)
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(C);
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
        • K(b);S_FLIGHT::QAB1(E)
      • Refutation
        • P(c);XP(C)
  • Actual
    • Q(E);
    • Vars
      • K(b);S_FLIGHT::QAR1(E)
      • K(b);S_FLIGHT::S(F)
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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).