MESON Chess Problem Database

Problem Display
PID: 206528 (2N5/8/4pP2/K2k4/2R5/2p5/2P5/5Q2 w - - 0 1)

Kriuckov, Sergey Petrovic

64 Shakhmatnoe obozrenie, 1925

2N5/8/4pP2/K2k4/2R5/2p5/2P5/5Q2

#2

6 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sb6+?
      • 1...Ke5
        • 2.Qf4#
      • 1...Kd6!
    • 1.Se7+?
      • 1...Ke5
        • 2.Qf4#
      • 1...Kd6!
    • 1.Qg2+?
      • 1...Ke5
        • 2.Qg5#
      • 1...Kxc4!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qd4#
        • 2.Qc5#
      • 1...Kxc4
        • 2.Sb6#
      • 1...Ke5
        • 2.Qg5#
      • 1...e5
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);S_FLIGHT,XR(C)::S(F)
      • K(b);P-FLIGHT::QAR2(A)
      • P(c);OGATEB,SBLOCK::QAB(A)
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).