MESON Chess Problem Database

Problem Display
PID: 78563 (8/B5Q1/3p2N1/3K4/7p/3PPPkP/R7/6r1 w - - 0 1)

Manzone, Domenico

Il Due Mosse, 1958

8/B5Q1/3p2N1/3K4/7p/3PPPkP/R7/6r1

#2

9 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf3
      • 2.Sxh4#
    • 1...Kxh3
      • 2.Sf4#
  • Tries
    • 1.Qd4?
      • threat
        • 2.Qg4#
      • 1...Kxf3
        • 2.Qf4#
      • 1...Kxh3
        • 2.Qxh4#
      • 1...Rg2!
    • 1.Qe5+?
      • 1...Kxf3
        • 2.Sxh4#
        • 2.Qf4#
      • 1...Kxh3
        • 2.Rh2#
        • 2.Qh2#
      • 1...dxe5!
  • Keys
    • 1.Qb2!
      • 1...Kxf3
        • 2.Qf2#
      • 1...Kxh3
        • 2.Qh2#
      • 1...Rg2
        • 2.Qxg2#
      • 1...Ra1
        • 2.Qg2#
      • 1...Rb1
        • 2.Qg2#
      • 1...Rc1
        • 2.Qg2#
      • 1...Rd1
        • 2.Qg2#
      • 1...Re1
        • 2.Qg2#
      • 1...Rf1
        • 2.Qg2#
      • 1...Rh1
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,XP(D)::S(G),XP(c)
    • K(b);P-FLIGHT,XP(E)::S(G)
  • Tries
    • Try
      • Q(I);
      • Threat
        • QAR1(I)
      • Vars
        • K(b);P-FLIGHT,XP(D)::QAR1(I)
        • K(b);P-FLIGHT,XP(E)::QAR1(I),XP(c)
      • Refutation
        • R(a);
    • Try
      • Q(I);CHECK
      • Refutation
        • P(d);XQ(I)
  • Actual
    • Q(I);
    • Vars
      • K(b);P-FLIGHT,XP(D)::QAR1(I)
      • K(b);P-FLIGHT,XP(E)::QAR1(I)
      • R(a);N_GUARD::QAR1(I),XR(a)
      • R(a);N_GUARD::QAR1(I)
      • R(a);N_GUARD,P_PINP(B)::QAR1(I)
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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).