MESON Chess Problem Database

Problem Display
PID: 241848 (8/4p3/4K3/5Q2/1B6/4k3/8/2N5 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1930

8/4p3/4K3/5Q2/1B6/4k3/8/2N5

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qd3#
      • 2.Qf4#
  • Tries
    • 1.Bd2+?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kxd2!
    • 1.Ba3?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kd2!
    • 1.Bxe7?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kd2!
    • 1.Qf1?
      • 1...Kd4
        • 2.Qd3#
        • 2.Qf4#
      • 1...Ke4!
    • 1.Qf3+?
      • 1...Kd4
        • 2.Qd3#
        • 2.Qf4#
      • 1...Kxf3!
    • 1.Qf7?
      • 1...Kd4
        • 2.Qf4#
      • 1...Ke4!
    • 1.Qf8?
      • 1...Kd4
        • 2.Qf4#
      • 1...Ke4!
  • Keys
    • 1.Ke5!
      • 1...e6
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT,XB(B)
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);XP(b)
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • P(b);::QAB1(C)
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).