MESON Chess Problem Database

Problem Display
PID: 227775 (8/2P1k1B1/8/3Q4/8/8/1p6/bK6 w - - 0 1)

Schonberger, Tibor

Magyar Sakkvilag, 1926

8/2P1k1B1/8/3Q4/8/8/1p6/bK6

#2

4 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke8
      • 2.Qe6#
  • Tries
    • 1.Bf6+?
      • 1...Ke8
        • 2.c8Q#
        • 2.c8R#
      • 1...Kf8
        • 2.c8Q#
        • 2.c8R#
      • 1...Kxf6!
    • 1.Bh6?
      • 1...Ke8
        • 2.Qe6#
      • 1...Kf6!
    • 1.Qf5?
      • 1...Ke8
        • 2.Qe6#
      • 1...Kd6!
  • Keys
    • 1.c8B!
      • 1...Ke8
        • 2.Qd7#

FEATURES

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