MESON Chess Problem Database

Problem Display
PID: 17132 (8/2K5/5p2/2Npk3/1P6/1P4P1/5PQ1/8 w - - 0 1)

Mazel, Frantisek

Besedy lidu, 1902

8/2K5/5p2/2Npk3/1P6/1P4P1/5PQ1/8

#2

7 + 3

5588 Galerie Ceskoslovenskych Skladatelu 04 1966
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Qe4#
  • Tries
    • 1.Qf3?
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Qe3#
        • 2.Qxf6#
      • 1...d4
        • 2.Qe4#
      • 1...f5!
    • 1.Qh3?
      • 1...f5
        • 2.Qh8#
      • 1...d4
        • 2.Qe6#
      • 1...Kd4!
    • 1.f4+?
      • 1...Kd4
        • 2.Qd2#
      • 1...Kf5!
  • Keys
    • 1.Qh1!
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf5
        • 2.Qh5#
      • 1...d4
        • 2.Qe4#
      • 1...f5
        • 2.Qh8#

This anticipates 120000(1929)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::QAR1(B)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • P(a);N_GUARD::QAR1(B)
      • Refutation
        • P(c);
    • Try
      • Q(B);
      • Vars
        • P(c);OGATEB,SBLOCK::QAB(B)
        • P(a);SBLOCK::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(b);S_FLIGHT::QAB(B)
      • K(b);P-FLIGHT::QAR2(B)
      • P(a);N_GUARD::QAR1(B)
      • P(c);OGATEB,SBLOCK::QAB(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).