MESON Chess Problem Database

Problem Display
PID: 18538 (1B3r2/KN6/B2PP2Q/1N3R1P/4k3/1PpR1rn1/2q1p3/2n5 w - - 0 1)

Mansfield, Comins

Problem (Zagreb), 1956

1B3r2/KN6/B2PP2Q/1N3R1P/4k3/1PpR1rn1/2q1p3/2n5

#2

12 + 8

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Sc5#
    • 1...Rxd3
      • 2.Qf4#
    • 1...R3xf5
      • 2.Qe3#
  • Tries
    • 1.Re5+?
      • 1...Kxd3
        • 2.Sc5#
      • 1...Kxe5!
    • 1.Qf4+?
      • 1...Kxd3
        • 2.Sa3#
        • 2.Sd4#
        • 2.Sc7#
        • 2.Sc5#
        • 2.Rd5#
        • 2.Qd4#
      • 1...Rxf4!
  • Keys
    • 1.d7!
      • threat
        • 2.S5d6#
      • 1...Kxd3
        • 2.Sc5#
      • 1...Kxf5
        • 2.Qg6#
      • 1...Qxd3
        • 2.Re5#
      • 1...Rxd3
        • 2.Qf4#
      • 1...R3xf5
        • 2.Qe3#
      • 1...R8xf5
        • 2.Rd4#
      • 1...Sxd3
        • 2.S7d6#
      • 1...Sxf5
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(g);S_FLIGHT,XR(B)::S(K)
    • R(e);N_GUARD,SBLOCK,XR(B)::QAR1(I)
    • R(e);N_GUARD,SBLOCK,XR(D)::QAR1(I)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(g);S_FLIGHT,XR(B)::S(K)
      • Refutation
        • K(g);P-FLIGHT,XR(D)
    • Try
      • Q(I);CHECK
      • Refutation
        • R(e);XQ(I)
  • Actual
    • P(G);
    • Threat
      • S(C)
    • Vars
      • K(g);S_FLIGHT,XR(B)::S(K)
      • K(g);OGATEB,S_FLIGHT,XR(D)::QAB1(I)
      • Q(b);SBLOCK,XR(B)::R1(D)
      • R(e);N_GUARD,SBLOCK,XR(B)::QAR1(I)
      • R(e);N_GUARD,SBLOCK,XR(D)::QAR1(I)
      • R(h);SBLOCK,XR(D)::R1(B)
      • S(a);SBLOCK,XR(B)::S(K)
      • S(f);SBLOCK,XR(D)::S(K)
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).