MESON Chess Problem Database

Problem Display
PID: 141384 (1R6/6K1/2pkP3/2Np4/3N4/1QR5/1BP5/8 w - - 0 1)

Greenway, NH

Chess Journal, 1890

1R6/6K1/2pkP3/2Np4/3N4/1QR5/1BP5/8

#2

9 + 3

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Ke7
      • 2.Sf5#
  • Tries
    • 1.Sf5+?
      • 1...Kc7
        • 2.Sa6#
        • 2.Qb6#
        • 2.Qb7#
      • 1...Ke5!
    • 1.Bc1?
      • 1...Kc7
        • 2.Bf4#
      • 1...Ke7
        • 2.Sf5#
      • 1...Ke5!
    • 1.Ba3?
      • 1...Kc7
        • 2.Sa6#
      • 1...Ke7
        • 2.Sf5#
      • 1...Ke5!
    • 1.Re3?
      • 1...Kxc5
        • 2.Qb4#
      • 1...Ke7
        • 2.Sf5#
      • 1...Kc7!
    • 1.Rc4?
      • 1...Ke5
        • 2.Qg3#
      • 1...Kc7
        • 2.Qg3#
      • 1...Ke7
        • 2.Sf5#
      • 1...dxc4!
    • 1.Ra8?
      • 1...Kc7
        • 2.Qb8#
      • 1...Ke7
        • 2.Sf5#
      • 1...Ke5!
    • 1.Rc8?
      • 1...Ke7
        • 2.Sf5#
      • 1...Ke5!
    • 1.Rd8+?
      • 1...Kc7
        • 2.Qb8#
      • 1...Ke7
        • 2.Sxc6#
      • 1...Ke5!
    • 1.Re8?
      • threat
        • 2.Qb8#
      • 1...Kc7
        • 2.Qb8#
      • 1...Ke5!
    • 1.Rf8?
      • 1...Kc7
        • 2.Qb8#
      • 1...Ke7
        • 2.Sf5#
      • 1...Ke5!
    • 1.Rg8?
      • 1...Kc7
        • 2.Qb8#
      • 1...Ke7
        • 2.Sf5#
      • 1...Ke5!
    • 1.Rh8?
      • 1...Kc7
        • 2.Qb8#
      • 1...Ke7
        • 2.Sf5#
      • 1...Ke5!
    • 1.Qa3?
      • 1...Kc7
        • 2.Sa6#
      • 1...Ke7
        • 2.Sf5#
      • 1...Ke5!
    • 1.Qb4?
      • 1...Kc7
        • 2.Sa6#
      • 1...Ke7
        • 2.Sf5#
      • 1...Ke5!
    • 1.Qb6?
      • 1...Ke7
        • 2.Sf5#
        • 2.Qc7#
        • 2.Qd8#
      • 1...Ke5!
    • 1.e7?
      • 1...Kc7
        • 2.e8S#
      • 1...Kxe7
        • 2.Sf5#
      • 1...Ke5!
  • Keys
    • 1.Rh3!
      • 1...Kxc5
        • 2.Qb4#
      • 1...Ke5
        • 2.Qg3#
      • 1...Kc7
        • 2.Qg3#
      • 1...Ke7
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(c);S_FLIGHT::B(A)
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(c);S_FLIGHT::S(F)
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(F)::QAB1(C)
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(c);S_FLIGHT::QAB(C)
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • P(a);XR(D)
    • Try
      • R(I);
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(I);
      • Vars
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(I);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
        • K(c);S_FLIGHT::S(E),XP(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(I);
      • Threat
        • QAB(C)
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(I);
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(I);
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(I);
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(c);S_FLIGHT::S(F)
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(c);S_FLIGHT::S(F)
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);P_PINP(b)
      • Refutation
        • K(c);N_SPINP(b),S_FLIGHT
    • Try
      • P(G);
      • Vars
        • K(c);S_FLIGHT::P=S
        • K(c);S_FLIGHT,XP(G)::S(E)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(F)::QAB1(C)
      • K(c);S_FLIGHT::QAB(C)
      • K(c);S_FLIGHT::S(E)
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).