MESON Chess Problem Database

Problem Display
PID: 229326 (8/8/6R1/7P/6B1/3K2k1/8/6BR w - - 0 1)

Matthaus, Hans Georg

Deutsche Schachzeitung, 1971

8/8/6R1/7P/6B1/3K2k1/8/6BR

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Bh2#
  • Tries
    • 1.Ke2?
      • 1...Kg2
        • 2.Bf3#
      • 1...Kf4!
    • 1.Kd4?
      • 1...Kf4
        • 2.Bh2#
      • 1...Kg2!
    • 1.Bc5?
      • 1...Kf4
        • 2.Bd6#
      • 1...Kg2!
    • 1.Bb6?
      • 1...Kf4
        • 2.Bc7#
      • 1...Kg2!
    • 1.Ba7?
      • 1...Kf4
        • 2.Bb8#
      • 1...Kg2!
    • 1.Rh3+?
      • 1...Kf4
        • 2.Bh2#
      • 1...Kg2!
    • 1.Rg7?
      • 1...Kf4
        • 2.Bh2#
      • 1...Kg2!
    • 1.Rg8?
      • 1...Kf4
        • 2.Bh2#
      • 1...Kg2!
    • 1.h6?
      • 1...Kf4
        • 2.Bh2#
      • 1...Kg2!
  • Keys
    • 1.Rh4!
      • 1...Kg2
        • 2.Be2#
      • 1...Kf4
        • 2.Bh2#
      • 1...Kxh4
        • 2.Bf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(A)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::R(F)+B(D),DCHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);P-FLIGHT::R(F)+B(D)
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT,XR(B)::B(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).