MESON Chess Problem Database

Problem Display
PID: 4812 (1BR1RQ2/3p1p2/1NnP4/4nP2/K2k4/8/2PP4/NB6 w - - 0 1)

Baird, Lilian Edith

The Field, 1891

(First published on Sat Dec 19 1891)

1BR1RQ2/3p1p2/1NnP4/4nP2/K2k4/8/2PP4/NB6

#2

12 + 5

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Sb3#
    • 1...Sf3
      • 2.Sb3#
    • 1...Sc4
      • 2.Sb3#
    • 1...Sg4
      • 2.Sb3#
    • 1...Sg6
      • 2.Sb3#
    • 1...Sb4
      • 2.c3#
    • 1...Sa5
      • 2.c3#
    • 1...Sa7
      • 2.c3#
    • 1...Se7
      • 2.c3#
    • 1...Sxb8
      • 2.c3#
    • 1...Sd8
      • 2.c3#
  • Tries
    • 1.Qh6?
      • threat
        • 2.Qe3#
      • 1...Kc5
        • 2.Qe3#
      • 1...Sc4
        • 2.Sb3#
      • 1...Sg4
        • 2.Sb3#
      • 1...Ke4!
    • 1.Qg7?
      • 1...Ke4
        • 2.Qg4#
      • 1...Kc5
        • 2.Qg1#
      • 1...Sxb8
        • 2.Rc4#
        • 2.Qxe5#
        • 2.c3#
      • 1...Sb4
        • 2.Rc4#
        • 2.Qxe5#
        • 2.c3#
      • 1...Sa5
        • 2.Qxe5#
        • 2.c3#
      • 1...Sa7
        • 2.Rc4#
        • 2.Qxe5#
        • 2.c3#
      • 1...Se7
        • 2.Rc4#
        • 2.c3#
      • 1...Sd8
        • 2.Rc4#
        • 2.Qxe5#
        • 2.c3#
      • 1...f6!
  • Keys
    • 1.Qg8!
      • 1...Ke4
        • 2.Qg4#
      • 1...Kc5
        • 2.Qg1#
      • 1...Sxb8
        • 2.c3#
      • 1...f6
        • 2.Qd5#
      • 1...Sd3
        • 2.Sb3#
      • 1...Sf3
        • 2.Sb3#
      • 1...Sc4
        • 2.Sb3#
      • 1...Sg4
        • 2.Sb3#
      • 1...Sg6
        • 2.Sb3#
      • 1...Sb4
        • 2.c3#
      • 1...Sa5
        • 2.c3#
      • 1...Sa7
        • 2.c3#
      • 1...Se7
        • 2.c3#
      • 1...Sd8
        • 2.c3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);::S(A)
    • S(c);::P(C)
    • S(c);XB(I)::P(C)
  • Tries
    • Try
      • Q(L);
      • Threat
        • QAB1(L)
      • Vars
        • K(a);P_SPINS(c),S_FLIGHT::QAB(L)
        • S(b);::S(A)
      • Refutation
        • K(a);P-FLIGHT,P_SPINS(b)
    • Try
      • Q(L);P_PINS(b)
      • Vars
        • K(a);P-FLIGHT::QAR2(L)
        • K(a);N_SPINS(b),P_SPINS(c),S_FLIGHT::QAB(L)
      • Refutation
        • P(e);N_SPINS(b)
  • Actual
    • Q(L);
    • Vars
      • K(a);P-FLIGHT,P_SPINS(b)::QAR2(L)
      • K(a);P_SPINS(c),S_FLIGHT::QAB(L)
      • S(c);XB(I)::P(C)
      • P(e);OGATE::QAR1(L)
      • S(b);::S(A)
      • S(c);::P(C)
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).