MESON Chess Problem Database

Problem Display
PID: 78402 (8/4p3/4Pp2/3b3Q/pKpk1p2/p6n/B1p3R1/1nN1R3 w - - 0 1)

Fillery, William Edmund Frank

The Tablet, 1959

(First published on Sat Feb 28 1959)

8/4p3/4Pp2/3b3Q/pKpk1p2/p6n/B1p3R1/1nN1R3

#2

7 + 11

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg2
      • 2.Qc5#
    • 1...Bf3
      • 2.Qc5#
    • 1...Be4
      • 2.Qc5#
    • 1...Bc6
      • 2.Qc5#
    • 1...Bxe6
      • 2.Qc5#
    • 1...Bb7
      • 2.Qc5#
    • 1...Ba8
      • 2.Qc5#
    • 1...Sd2
      • 2.Rxd2#
    • 1...Sc3
      • 2.Rd2#
    • 1...c3
      • 2.Qxd5#
    • 1...f5
      • 2.Qh8#
  • Tries
    • 1.Bxc4?
      • threat
        • 2.Qxd5#
      • 1...Bxg2
        • 2.Qc5#
      • 1...Bxc4
        • 2.Qc5#
      • 1...Bxe6
        • 2.Qc5#
      • 1...Bf3
        • 2.Qc5#
      • 1...Be4
        • 2.Qc5#
      • 1...Bc6
        • 2.Qc5#
      • 1...Bb7
        • 2.Qc5#
      • 1...Ba8
        • 2.Qc5#
      • 1...Sc3
        • 2.Rd2#
      • 1...f5
        • 2.Qh8#
      • 1...Sg5!
    • 1.Re4+?
      • 1...Bxe4
        • 2.Qc5#
      • 1...Kxe4!
  • Keys
    • 1.Qe2!
      • 1...Bxg2
        • 2.Qxc4#
      • 1...Bxe6
        • 2.Qe4#
      • 1...Bf3
        • 2.Qxc4#
      • 1...Be4
        • 2.Qxe4#
      • 1...Bc6
        • 2.Qxc4#
      • 1...Bb7
        • 2.Qxc4#
      • 1...Ba8
        • 2.Qxc4#
      • 1...Sg1
        • 2.Qf2#
      • 1...Sd2
        • 2.Qxd2#
      • 1...Sc3
        • 2.Qd2#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Sg5
        • 2.Qf2#
      • 1...c3
        • 2.Qd3#
      • 1...f3
        • 2.Qe3#
      • 1...f5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 11
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(i);OGATE,XR(D)::QAB1(F)
    • B(i);OGATE::QAB1(F)
    • B(i);OGATE,XP(G)::QAB1(F)
    • S(a);N_GUARD::R(D),XS(a)
    • S(a);N_GUARD::R(D)
    • P(f);::QAR1(F),XB(i)
    • P(j);OGATEB::QAB(F)
  • Tries
    • Try
      • B(C);XP(f)
      • Threat
        • QAR1(F),XB(i)
      • Vars
        • B(i);OGATE,XR(D)::QAB1(F)
        • B(i);OGATE,XB(C)::QAB1(F)
        • B(i);OGATE,XP(G)::QAB1(F)
        • B(i);OGATE::QAB1(F)
        • S(a);N_GUARD::R(D)
        • P(j);OGATEB::QAB(F)
      • Refutation
        • S(d);
    • Try
      • R(B);CHECK
      • Vars
        • B(i);OGATE,SBLOCK,XR(B)::QAB1(F)
      • Refutation
        • K(g);P-FLIGHT,XR(B)
  • Actual
    • Q(F);
    • Vars
      • B(i);N_GUARD,XR(D)::QAR1(F),XP(f)
      • B(i);N_GUARD,XP(G)::QAR1(F)
      • B(i);N_GUARD::QAR1(F),XP(f)
      • B(i);N_GUARD::QAR1(F),XB(i)
      • S(d);N_GUARD::QAB(F)
      • S(a);N_GUARD::QAR2(F),XS(a)
      • S(a);N_GUARD::QAR2(F)
      • S(d);N_GUARD::QAB(F),XS(d)
      • P(f);N_GUARD::QAR1(F)
      • P(h);N_GUARD::QAB1(F)
      • P(j);N_GUARD::QAB1(F)
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).