MESON Chess Problem Database

Problem Display
PID: 218031 (5q2/Q1p5/p1B5/k7/1p4rp/1P4bK/1B3R2/8 w - - 0 1)

Miltner, Vratislav

Deutsche Schachzeitung, 1944

5q2/Q1p5/p1B5/k7/1p4rp/1P4bK/1B3R2/8

#2

6 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Qxc5#
    • 1...Qh6
      • 2.Qc5#
    • 1...Qg7
      • 2.Qc5#
    • 1...Qf3
      • 2.Qc5#
    • 1...Qf4
      • 2.Qc5#
    • 1...Qf6
      • 2.Qc5#
    • 1...Qf7
      • 2.Qc5#
    • 1...Qa8
      • 2.Qc5#
    • 1...Qc8
      • 2.Qc5#
    • 1...Qd8
      • 2.Qc5#
    • 1...Qe8
      • 2.Qc5#
    • 1...Qg8
      • 2.Qc5#
    • 1...Qh8
      • 2.Qc5#
    • 1...Rf4
      • 2.Qxc7#
  • Tries
    • 1.Rf1?
      • threat
        • 2.Ra1#
      • 1...Be1
        • 2.Qxc7#
      • 1...Qxf1+!
    • 1.Rf5+?
      • 1...Qc5
        • 2.Rxc5#
        • 2.Qxc5#
      • 1...Be5
        • 2.Qxc7#
      • 1...Qxf5!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Ra2#
      • 1...Qxf2
        • 2.Qc5#
      • 1...Bxf2
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 14
  • Sets
    • Q(h);N_GUARD::QAR2(F),XQ(h)
    • Q(h);N_GUARD::QAR2(F)
    • R(c);S_CUTB(a)::QAB(F),XP(g)
  • Tries
    • Try
      • R(B);
      • Threat
        • R(B)
      • Vars
        • B(a);N_GUARD::QAB(F),XP(g)
      • Refutation
        • Q(h);CHECK,XR(B)
    • Try
      • R(B);CHECK
      • Vars
        • B(a);P_SPINB(a)::QAB(F),XP(g)
      • Refutation
        • Q(h);XR(B)
  • Actual
    • B(A);
    • Threat
      • R(B)
    • Vars
      • Q(h);N_GUARD,XR(B)::QAR2(F)
      • B(a);N_GUARD,XR(B)::QAB(F),XP(g)
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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).