MESON Chess Problem Database

Problem Display
PID: 157400 (8/8/1kB1K3/1P6/8/6B1/7Q/8 w - - 0 1)

Winter-Wood, Edward John

L'Echiquier, 1924

8/8/1kB1K3/1P6/8/6B1/7Q/8

#2

5 + 1

15148 Sadier Collection 2016
5454 Near Snap 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Ka7
      • 2.Bf2#
      • 2.Qg1#
      • 2.Qf2#
  • Tries
    • 1.Kd5?
      • 1...Ka7
        • 2.Bf2#
        • 2.Qg1#
        • 2.Qf2#
      • 1...Ka5!
    • 1.Be1?
      • 1...Ka7
        • 2.Bf2#
        • 2.Qc7#
      • 1...Kc5!
    • 1.Bd6?
      • 1...Ka7
        • 2.Bc5#
        • 2.Qg1#
        • 2.Qf2#
      • 1...Ka5!
    • 1.Bc7+?
      • 1...Ka7
        • 2.Qg1#
        • 2.Qa2#
        • 2.Qf2#
      • 1...Kc5!
    • 1.Qc2?
      • 1...Ka7
        • 2.Qf2#
        • 2.Qc5#
      • 1...Ka5!
    • 1.Qd2?
      • 1...Ka7
        • 2.Qe3#
        • 2.Qa5#
        • 2.Qf2#
        • 2.Qd4#
      • 1...Kc5!
    • 1.Qh5?
      • 1...Ka7
        • 2.Qc5#
      • 1...Ka5!
  • Keys
    • 1.Qh4!
      • 1...Ka5
        • 2.Bc7#
      • 1...Kc5
        • 2.Bf2#
      • 1...Ka7
        • 2.Qd4#

Anticipated by 4744(1890), 189680(1912)

This anticipates 161747(1973), 161687(1987)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);S_FLIGHT::QAB(A)
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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).