MESON Chess Problem Database

Problem Display
PID: 242045 (3B4/8/5p2/2K1k3/1p6/1P3Q2/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

3B4/8/5p2/2K1k3/1p6/1P3Q2/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qd5#
    • 1...f5
      • 2.Qe3#
  • Tries
    • 1.Kc4?
      • 1...Kd6
        • 2.Qd5#
      • 1...Ke6
        • 2.Qd5#
      • 1...f5!
    • 1.Be7?
      • 1...f5
        • 2.Qe3#
      • 1...Ke6!
    • 1.Qd3?
      • 1...Ke6
        • 2.Qd5#
      • 1...f5
        • 2.Qe3#
      • 1...Kf4!
  • Keys
    • 1.Kc6!
      • 1...Kd4
        • 2.Bxf6#
      • 1...Ke6
        • 2.Qd5#
        • 2.Qxf6#
      • 1...f5
        • 2.Qe3#

FEATURES

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