MESON Chess Problem Database

Problem Display
PID: 50752 (8/1p5p/1Q5P/4p3/2ppP3/2P5/p2PpR2/R3K1Bk w Q - 0 1)

Gruber, Bratoljub

Problem (Zagreb), 1955

8/1p5p/1Q5P/4p3/2ppP3/2P5/p2PpR2/R3K1Bk

#2

9 + 8

273 Mat Plus 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg1
      • 2.Kxe2#
    • 1...dxc3
      • 2.Rh2#
    • 1...d3
      • 2.Rh2#
  • Tries
    • 1.Rxa2?
      • 1...dxc3
        • 2.Rh2#
      • 1...d3
        • 2.Rh2#
      • 1...Kxg1!
    • 1.Rg2?
      • 1...dxc3
        • 2.Rh2#
      • 1...d3
        • 2.Rh2#
      • 1...Kxg2!
    • 1.Qxd4?
      • threat
        • 2.Rh2#
      • 1...Kxg1
        • 2.Kxe2#
      • 1...exd4!
    • 1.d3?
      • 1...Kxg1
        • 2.Kxe2#
      • 1...dxc3
        • 2.Rh2#
      • 1...cxd3!
  • Keys
    • 1.Rxe2!
      • 1...Kxg1
        • 2.0-0-0#
      • 1...dxc3
        • 2.Rh2#
      • 1...d3
        • 2.Rh2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,XB(C)::R(A)+K(B),XP(c)
    • P(e);XP(F)::R1(E)
    • P(e);::R1(E)
  • Tries
    • Try
      • R(A);XP(b)
      • Vars
        • P(e);XP(F)::R1(E)
        • P(e);::R1(E)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • R(E);
      • Vars
        • P(e);XP(F)::R1(E)
        • P(e);::R1(E)
      • Refutation
        • K(a);S_FLIGHT,XR(E)
    • Try
      • Q(H);XP(e)
      • Threat
        • R1(E)
      • Vars
        • K(a);P-FLIGHT,XB(C)::R(A)+K(B),XP(c)
      • Refutation
        • P(f);XQ(H)
    • Try
      • P(D);
      • Vars
        • K(a);P-FLIGHT,XB(C)::R(A)+K(B),XP(c)
        • P(e);XP(F)::R1(E)
      • Refutation
        • P(d);XP(D)
  • Actual
    • R(E);XP(c)
    • Vars
      • K(a);P-FLIGHT,P_SPINP(e),XB(C)::0-0-0
      • P(e);XP(F)::R1(E)
      • P(e);::R1(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).