MESON Chess Problem Database

Problem Display
PID: 2216 (2R5/8/K2p2P1/2Pk1p2/5Q2/8/8/8 w - - 0 1)

Cook, Eugene Beauharnais

Daily Missouri Democrat (St. Louis), 1859

(First published on Sat Jun 25 1859)

2R5/8/K2p2P1/2Pk1p2/5Q2/8/8/8

#2

5 + 3

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qxd6#
  • Tries
    • 1.Ka5?
      • 1...Ke6
        • 2.Qxd6#
      • 1...dxc5!
    • 1.Kb5?
      • 1...Ke6
        • 2.Qxd6#
      • 1...dxc5!
    • 1.Kb6?
      • 1...Ke6
        • 2.Qxd6#
      • 1...dxc5!
    • 1.Ka7?
      • 1...Ke6
        • 2.Qxd6#
      • 1...dxc5!
    • 1.Kb7?
      • 1...Ke6
        • 2.Qxd6#
      • 1...dxc5!
    • 1.Rc7?
      • 1...Ke6
        • 2.Qxd6#
      • 1...dxc5!
    • 1.Rd8?
      • 1...Kc6
        • 2.Qxd6#
      • 1...Ke6
        • 2.Qxd6#
      • 1...Kxc5!
    • 1.Qd4+?
      • 1...Ke6
        • 2.Qxd6#
      • 1...Kxd4!
    • 1.g7?
      • threat
        • 2.g8Q#
        • 2.g8B#
      • 1...dxc5
        • 2.g8Q#
        • 2.g8B#
      • 1...Ke6!
  • Keys
    • 1.Rc6!
      • 1...Kxc6
        • 2.Qxd6#
      • 1...Ke6
        • 2.Qxd6#
      • 1...dxc5
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(A),XP(c)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A),XP(c)
      • Refutation
        • P(c);XP(B)
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A),XP(c)
      • Refutation
        • P(c);XP(B)
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A),XP(c)
      • Refutation
        • P(c);XP(B)
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A),XP(c)
      • Refutation
        • P(c);XP(B)
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A),XP(c)
      • Refutation
        • P(c);XP(B)
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(A),XP(c)
      • Refutation
        • P(c);XP(B)
    • Try
      • R(E);P_PINP(c)
      • Vars
        • K(a);N_SPINP(c),S_FLIGHT::QAR1(A),XP(c)
      • Refutation
        • K(a);N_SPINP(c),P-FLIGHT,XP(B)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(A),XP(c)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • P(D);
      • Threat
        • P=Q
      • Vars
        • P(c);XP(B)::P=Q
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(E);
    • Vars
      • K(a);S_FLIGHT,XR(E)::QAR1(A),XP(c)
      • K(a);P_SPINP(c),S_FLIGHT::QAR1(A),XP(c)
      • P(c);SBLOCK,XP(B)::R1(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).