MESON Chess Problem Database

Problem Display
PID: 109763 (1B6/8/3R4/4K3/6Rp/8/7k/8 w - - 0 1)

Zalewski, Mieczyzlaw

Szachy, 1981

1B6/8/3R4/4K3/6Rp/8/7k/8

#2

4 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ke4?
      • 1...Kh1
        • 2.Rd1#
      • 1...h3
        • 2.Rd1#
      • 1...Kh3!
    • 1.Ke6?
      • 1...Kh1
        • 2.Rd1#
      • 1...h3
        • 2.Rd1#
      • 1...Kh3!
    • 1.Kf6?
      • 1...Kh1
        • 2.Rd1#
      • 1...h3
        • 2.Rd1#
      • 1...Kh3!
    • 1.Rd1?
      • 1...h3
        • 2.Kd4#
        • 2.Ke4#
        • 2.Kd5#
        • 2.Kf5#
        • 2.Ke6#
        • 2.Kf6#
      • 1...Kh3!
    • 1.Rd3?
      • 1...Kh1
        • 2.Rh3#
      • 1...h3!
    • 1.Rh6?
      • threat
        • 2.Rhxh4#
      • 1...Kh1
        • 2.Rhxh4#
      • 1...Kh3
        • 2.Rhxh4#
      • 1...h3!
  • Keys
    • 1.Kf5!
      • 1...Kh1
        • 2.Rd1#
      • 1...Kh3
        • 2.Rd3#
      • 1...h3
        • 2.Rd1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::R(C)
        • P(b);SBLOCK::B(D)+R(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::R(C)
        • P(b);SBLOCK::B(D)+R(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::R(C)
        • P(b);SBLOCK::B(D)+R(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(C);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(C);
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • P(b);
    • Try
      • R(C);P_PINP(b)
      • Threat
        • R(C),XP(b)
      • Vars
        • K(a);P-FLIGHT::R(C),XP(b)
        • K(a);P-FLIGHT::R1(C),XP(b)
      • Refutation
        • P(b);
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(a);P-FLIGHT::R(C)
      • P(b);SBLOCK::B(D)+R(C)
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).