MESON Chess Problem Database

Problem Display
PID: 160720 (3Q4/2pN4/2k5/2P5/2P5/2K5/8/8 w - - 0 1)

Antipin, Ivan Ivanovich

Krichenko-60 JT, 2015

3Q4/2pN4/2k5/2P5/2P5/2K5/8/8

#2

5 + 2

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Se5+?
      • 1...Kxc5
        • 2.Qxc7#
        • 2.Qd4#
      • 1...Kb7!
    • 1.Sf6?
      • threat
        • 2.Qd5#
      • 1...Kxc5
        • 2.Qxc7#
      • 1...Kb7!
    • 1.Sb8+?
      • 1...Kxc5
        • 2.Qxc7#
        • 2.Qd4#
      • 1...Kb7!
    • 1.Sf8?
      • threat
        • 2.Qd5#
      • 1...Kxc5
        • 2.Qxc7#
      • 1...Kb7!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Qd5#
      • 1...Kxc5
        • 2.Qxc7#
      • 1...Kb7
        • 2.Qa8#
      • 1...cxb6
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAR2(E),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAR2(E),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Threat
      • QAB1(E)
    • Vars
      • K(a);P-FLIGHT,XP(C)::QAR2(E),XP(b)
      • K(a);S_FLIGHT::QAB1(E)
      • P(b);OGATEB,XS(D)::QAR2(E)
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).