MESON Chess Problem Database

Problem Display
PID: 160887 (8/8/5N2/2Q3R1/1p3k1p/1p3n1r/1P5n/K1N1qR2 w - - 0 1)

Williams, Philip Hamilton

Morning Post, 1905

(First published on Mon Jul 31 1905)

8/8/5N2/2Q3R1/1p3k1p/1p3n1r/1P5n/K1N1qR2

#2

7 + 8

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qd2
      • 2.Qe5#
    • 1...Qf2
      • 2.Sd3#
    • 1...Qc3
      • 2.Se2#
    • 1...Qg3
      • 2.Se2#
      • 2.Sd3#
      • 2.Rf5#
      • 2.Qe5#
    • 1...Qxc1+
      • 2.Qxc1#
    • 1...Qd1
      • 2.Qe5#
    • 1...Qe2
      • 2.Sxe2#
    • 1...Qe3
      • 2.Qf5#
    • 1...Qe4
      • 2.Sh5#
    • 1...Qe5
      • 2.Qxe5#
    • 1...Qe6
      • 2.Sd3#
    • 1...Qe7
      • 2.Sd3#
    • 1...Qe8
      • 2.Sd3#
    • 1...Rg3
      • 2.Rf5#
    • 1...Sxf1
      • 2.Rg4#
    • 1...Sg4
      • 2.Rxg4#
  • Keys
    • 1.Rf2!
      • 1...Qxc1+
        • 2.Qxc1#
      • 1...Qxf2
        • 2.Sd3#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Sg4
        • 2.Rxg4#
      • 1...Qd2
        • 2.Qe5#
      • 1...Qc3
        • 2.Se2#
      • 1...Qd1
        • 2.Qe5#
      • 1...Qf1
        • 2.Qe5#
      • 1...Qg1
        • 2.Qe5#
      • 1...Qh1
        • 2.Qe5#
      • 1...Qe2
        • 2.Sxe2#
      • 1...Qe3
        • 2.Qf5#
      • 1...Qe4
        • 2.Sh5#
      • 1...Qe6
        • 2.Sd3#
      • 1...Qe7
        • 2.Sd3#
      • 1...Qe8
        • 2.Sd3#
      • 1...Rg3
        • 2.Rf5#
      • 1...Sf1
        • 2.Rg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(a);N_GUARD,N_PINS(B)::QAB1(E)
    • Q(a);N_PINS(B),N_SPINS(d)::S(B)
    • Q(a);N_PINS(B),P_PINP(D)::S(B)
    • Q(a);CHECK,OGATE,XS(B)::QAB(E),XQ(a)
    • Q(a);N_GUARD::QAB1(E)
    • Q(a);N_PINS(B)::S(B),XQ(a)
    • Q(a);N_PINS(B),SBLOCK::QAR1(E)
    • Q(a);N_PINS(B),SBLOCK::S(G)
    • Q(a);N_GUARD,N_PINS(B),P_PINP(D)::QAB1(E),XQ(a)
    • Q(a);N_PINS(B)::S(B)
    • R(e);SBLOCK::R1(F)
    • S(b);N_GUARD,N_SPINS(d),XR(C)::R1(F)
    • S(b);N_GUARD::R1(F),XS(b)
  • Actual
    • R(C);
    • Vars
      • Q(a);CHECK,OGATE,XS(B)::QAB(E),XQ(a)
      • Q(a);N_PINS(B),N_SPINS(d),XR(C)::S(B)
      • Q(a);N_GUARD,N_PINS(B),P_PINP(D)::QAB1(E),XQ(a)
      • S(b);N_GUARD::R1(F),XS(b)
      • Q(a);N_GUARD,N_PINS(B)::QAB1(E)
      • Q(a);N_PINS(B),P_PINP(D)::S(B)
      • Q(a);N_GUARD::QAB1(E)
      • Q(a);N_PINS(B)::S(B),XQ(a)
      • Q(a);N_PINS(B),SBLOCK::QAR1(E)
      • Q(a);N_PINS(B),SBLOCK::S(G)
      • Q(a);N_PINS(B)::S(B)
      • R(e);SBLOCK::R1(F)
      • S(b);N_GUARD::R1(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).