MESON Chess Problem Database

Problem Display
PID: 175069 (8/8/pP2P3/P1kP2R1/6P1/K1pP3Q/2P5/8 w - - 0 1)

Richter, Julius

Narodni listy, 1902

8/8/pP2P3/P1kP2R1/6P1/K1pP3Q/2P5/8

#2

10 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qf1?
      • 1...Kd4
        • 2.Qg1#
        • 2.Qf2#
      • 1...Kd6
        • 2.Qf8#
      • 1...Kb5!
    • 1.Qg2?
      • 1...Kd4
        • 2.Qg1#
        • 2.Qf2#
      • 1...Kb5
        • 2.d6#
      • 1...Kd6!
    • 1.Qh1?
      • 1...Kd4
        • 2.Qg1#
      • 1...Kb5
        • 2.d6#
      • 1...Kd6!
    • 1.Qh2?
      • 1...Kd4
        • 2.Qg1#
        • 2.Qf2#
      • 1...Kb5!
    • 1.Qg3?
      • 1...Kd4
        • 2.Qf2#
        • 2.Qg1#
      • 1...Kb5!
    • 1.Qh8?
      • 1...Kd6
        • 2.Qf8#
      • 1...Kb5!
  • Keys
    • 1.Qf3!
      • 1...Kd4
        • 2.Qf2#
      • 1...Kb5
        • 2.d6#
      • 1...Kd6
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(b);S_FLIGHT::QAB(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(b);P-FLIGHT::R(H)+P(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(b);S_FLIGHT::QAB(D)
        • K(b);P-FLIGHT::R(H)+P(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(b);S_FLIGHT::QAB(D)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(b);S_FLIGHT::QAB(D)
      • K(b);P-FLIGHT::R(H)+P(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).