MESON Chess Problem Database

Problem Display
PID: 268143 (1Kn2k2/3RN3/7P/p1p1p2Q/1bp3p1/rq3B2/3p4/5R2 w - - 0 1)

Puig y Puig, Esteban

El Diluvio, 1933

1Kn2k2/3RN3/7P/p1p1p2Q/1bp3p1/rq3B2/3p4/5R2

#2

7 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Bc3+
      • 2.Bb7#
    • 1...Sxe7
      • 2.Rd8#
    • 1...c3
      • 2.Bd5#
  • Tries
    • 1.Sg6+?
      • 1...Kg8
        • 2.Bd5#
        • 2.Rg7#
        • 2.h7#
      • 1...Ke8!
    • 1.Sxc8?
      • threat
        • 2.Rd8#
        • 2.Qf7#
      • 1...Kg8
        • 2.Qe8#
      • 1...Qxf3
        • 2.Rd8#
      • 1...d1Q
        • 2.Qf7#
      • 1...d1R
        • 2.Qf7#
      • 1...Qa4
        • 2.Qf7#
      • 1...Qd3
        • 2.Qf7#
      • 1...c3
        • 2.Bd5#
        • 2.Rd8#
      • 1...Bc3+!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qg8#
      • 1...Bc3+
        • 2.Bb7#
      • 1...Sxe7
        • 2.Rd8#
      • 1...c3
        • 2.Bd5#

This is a version of 268142

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(d);CHECK,S_CUTQ(c)::R(A)+B(B)
    • S(j);SBLOCK,XS(F)::R(E)
    • P(e);S_CUTQ(c)::R(A)+B(B)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • K(k);P-FLIGHT
    • Try
      • S(F);XS(j)
      • Threat
        • DUALS(2)
      • Vars
        • K(k);N_GUARD,P-FLIGHT::QAR2(C)
        • Q(c);P_SPINQ(c),XB(B)::R(E)
        • P(a);::QAR1(C)
        • Q(c);::QAR1(C)
      • Refutation
        • B(d);CHECK
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • B(d);CHECK,S_CUTQ(c)::R(A)+B(B)
      • S(j);SBLOCK,XS(F)::R(E)
      • P(e);S_CUTQ(c)::R(A)+B(B)
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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).