MESON Chess Problem Database

Problem Display
PID: 243612 (8/8/2Q5/4k3/8/1N4NP/5K2/8 w - - 0 1)

Bakay, Bela

Magyar Sakkvilag, 1931

8/8/2Q5/4k3/8/1N4NP/5K2/8

#2

5 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qf6#
  • Tries
    • 1.Sa1?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd4!
    • 1.Sc1?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd4!
    • 1.Sd2?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd4!
    • 1.Sd4?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kxd4!
    • 1.Sa5?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd4!
    • 1.Sc5?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd4!
    • 1.Qd7?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kf6!
    • 1.Qa6?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd5!
    • 1.Qb6?
      • 1...Kf4
        • 2.Qe3#
        • 2.Qf6#
      • 1...Kd5!
    • 1.Qe6+?
      • 1...Kf4
        • 2.Qf5#
        • 2.Qe3#
        • 2.Qf6#
      • 1...Kxe6!
    • 1.Qg6?
      • 1...Kf4
        • 2.Qf5#
        • 2.Qf6#
      • 1...Kd5!
  • Keys
    • 1.h4!
      • 1...Kf4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(E)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(E)
    • Try
      • Q(E);
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(D);
    • Vars
      • K(a);S_FLIGHT::QAR1(E)
HTML5 logo

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).