MESON Chess Problem Database

Problem Display
PID: 69997 (b1B3Q1/6PK/8/4NP2/R2PkP1R/3p1p2/3pnP2/8 w - - 0 1)

Zigman, Matyaz

5th Prize=, Problem TT, 1971

b1B3Q1/6PK/8/4NP2/R2PkP1R/3p1p2/3pnP2/8

#2

11 + 6

56 The Problemist 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.d5#
    • 1...Sg1
      • 2.d5#
    • 1...Sg3
      • 2.d5#
  • Tries
    • 1.Sxf3?
      • threat
        • 2.Sxd2#
        • 2.Sg5#
      • 1...d1Q
        • 2.Sg5#
      • 1...d1S
        • 2.Sd2#
        • 2.Sg5#
      • 1...d1B
        • 2.Sd2#
        • 2.Sg5#
      • 1...d1R
        • 2.Sg5#
      • 1...Kxf3!
    • 1.Sc4?
      • threat
        • 2.Sxd2#
        • 2.Sd6#
      • 1...d1Q
        • 2.Sd6#
      • 1...d1S
        • 2.Sd2#
        • 2.Sd6#
      • 1...d1B
        • 2.Sd2#
        • 2.Sd6#
      • 1...d1R
        • 2.Sd6#
      • 1...Kxd4!
    • 1.Sd7?
      • threat
        • 2.Sc5#
        • 2.Sf6#
        • 2.Qe6#
      • 1...Bd5
        • 2.Sc5#
        • 2.Sf6#
      • 1...Kxf5!
    • 1.Bb7+?
      • 1...Kxf5
        • 2.Qf7#
      • 1...Bxb7!
    • 1.Qe6?
      • threat
        • 2.Sc6#
        • 2.Sg6#
        • 2.Sd7#
        • 2.Sf7#
      • 1...Bc6
        • 2.Sxc6#
        • 2.Sg6#
        • 2.Sd7#
        • 2.Sf7#
        • 2.Qxc6#
      • 1...Bd5!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qe6#

This is a version

Version by E. Ferron.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • S(b);N_GUARD::R(B)+P(C)
  • Tries
    • Try
      • S(F);XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::S(F)
      • Refutation
        • K(e);S_FLIGHT,XS(F)
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::S(F)
      • Refutation
        • K(e);P-FLIGHT,XP(C)
    • Try
      • S(F);
      • Threat
        • DUALS(3)
      • Refutation
        • K(e);S_FLIGHT,XP(G)
    • Try
      • B(J);CHECK
      • Vars
        • K(e);S_FLIGHT,XP(G)::QAR2(K)
      • Refutation
        • B(f);XB(J)
    • Try
      • Q(K);
      • Threat
        • DUALS(4)
      • Refutation
        • B(f);
  • Actual
    • S(F);
    • Threat
      • QAR2(K)
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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).