MESON Chess Problem Database

Problem Display
PID: 169243 (8/8/8/2K2p2/kB2b1Q1/8/2P5/8 w - - 0 1)

Novitski, Petr Adrinovich

22/26 Place, SuperProblem 181. TT, 2017

8/8/8/2K2p2/kB2b1Q1/8/2P5/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qe2?
      • threat
        • 2.Qb5#
        • 2.Qa6#
      • 1...Bxc2
        • 2.Qxc2#
      • 1...Bc6
        • 2.Qa6#
      • 1...Bb7
        • 2.Qb5#
      • 1...Bd3!
    • 1.Qg7?
      • threat
        • 2.Qa1#
        • 2.Qa7#
      • 1...Bd3
        • 2.Qa1#
      • 1...Bd5
        • 2.Qa7#
      • 1...Bb7
        • 2.Qa1#
      • 1...Bxc2!
    • 1.Qg8?
      • threat
        • 2.Qa2#
        • 2.Qb3#
      • 1...Bxc2
        • 2.Qa2#
      • 1...Bd5!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Qa1#
      • 1...Bxc2
        • 2.Qxc2#
      • 1...Bd5
        • 2.c4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);OGATE,XP(A)::QAB(C),XB(b)
        • B(b);::QAR2(C)
        • B(b);::QAB1(C)
      • Refutation
        • B(b);
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);::QAR(C)
      • Refutation
        • B(b);XP(A)
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XP(A)::QAR2(C)
      • Refutation
        • B(b);
  • Actual
    • Q(C);
    • Threat
      • QAR(C)
    • Vars
      • B(b);OGATE,P_SPINB(b),XP(A)::QAB(C),XB(b)
      • B(b);N_GUARD::QAB(C)+P(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).