MESON Chess Problem Database

Problem Display
PID: 22377 (8/2Q1K3/8/2pP4/1Np1k1BP/2p5/4p3/4B3 w - - 0 1)

Sotnik, Wolodimir

1st Prize=, Kanonik-70 JT, 0000

8/2Q1K3/8/2pP4/1Np1k1BP/2p5/4p3/4B3

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qe5#
    • 1...Kd4
      • 2.Qf4#
  • Tries
    • 1.Ke6?
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Qe5#
      • 1...Kd4
        • 2.Qf4#
        • 2.Qe5#
      • 1...cxb4!
    • 1.Kf6?
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Qe5#
      • 1...Kd4
        • 2.Qf4#
        • 2.Qe5#
      • 1...cxb4!
    • 1.Bg3?
      • threat
        • 2.Qf4#
        • 2.Qe5#
      • 1...Ke3
        • 2.Qf4#
      • 1...Kd4
        • 2.Qf4#
        • 2.Qe5#
      • 1...cxb4!
    • 1.Qxc5?
      • 1...Kf4
        • 2.Qd4#
      • 1...Ke5
        • 2.Qe3#
      • 1...c2!
  • Keys
    • 1.Sc2!
      • 1...Kd3
        • 2.Bf5#
      • 1...Kxd5
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(d);P-FLIGHT::QAR2(F)
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Threat
        • QAR1(F)
      • Vars
        • K(d);P-FLIGHT::QAR2(F)
      • Refutation
        • P(e);XS(B)
    • Try
      • K(G);S_FLIGHT
      • Threat
        • QAR1(F)
      • Vars
        • K(d);P-FLIGHT::QAR2(F)
      • Refutation
        • P(e);XS(B)
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);P-FLIGHT::QAB1(F)
      • Refutation
        • P(e);XS(B)
    • Try
      • Q(F);XP(e)
      • Vars
        • K(d);P-FLIGHT::QAR2(F)
      • Refutation
        • P(b);
  • Actual
    • S(B);
    • Vars
      • K(d);S_FLIGHT::B(C)
      • K(d);S_FLIGHT,XP(E)::B(C)
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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).