MESON Chess Problem Database

Problem Display
PID: 76634 (1K6/8/2k1p3/2PR1P2/8/1N6/3Q4/8 w - - 0 1)

Butwillo, Brother

The Tablet, 1941

(First published on Sat Mar 22 1941)

1K6/8/2k1p3/2PR1P2/8/1N6/3Q4/8

#2

6 + 2

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Qb4?
      • threat
        • 2.Rd6#
        • 2.Qb7#
      • 1...exd5
        • 2.Qa4#
        • 2.Qb7#
      • 1...Kxd5!
    • 1.Qa5?
      • threat
        • 2.Rd6#
      • 1...exd5
        • 2.Qa4#
      • 1...Kxd5!
    • 1.Qh6?
      • 1...Kxd5
        • 2.Qxe6#
      • 1...Kb5!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Rd6#
      • 1...Kxd5
        • 2.Qxe6#
      • 1...exd5
        • 2.Qe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • K(a);S_FLIGHT,XR(D)
    • Try
      • Q(A);
      • Threat
        • R1(D)
      • Vars
        • P(b);SBLOCK,XR(D)::QAB(A)
      • Refutation
        • K(a);S_FLIGHT,XR(D)
    • Try
      • Q(A);P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT,XR(D)::QAB1(A),XP(b)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • R1(D)
    • Vars
      • K(a);S_FLIGHT,XR(D)::QAB1(A),XP(b)
      • P(b);OGATE,SBLOCK,XR(D)::QAB(A)
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).