MESON Chess Problem Database

Problem Display
PID: 206732 (8/8/5p2/5B2/8/1K1R4/8/2k5 w - - 0 1)

Schonberger, Tibor

Magyar Sakkvilag, 1925

8/8/5p2/5B2/8/1K1R4/8/2k5

#2

3 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kb1
      • 2.Rd1#
  • Tries
    • 1.Ka3?
      • 1...Kb1
        • 2.Rd1#
      • 1...Kc2!
    • 1.Bh3?
      • 1...Kb1
        • 2.Rd1#
      • 1...f5!
    • 1.Be4?
      • 1...Kb1
        • 2.Rd1#
      • 1...f5!
    • 1.Be6?
      • 1...Kb1
        • 2.Rd1#
      • 1...f5!
    • 1.Bg6?
      • 1...Kb1
        • 2.Rd1#
      • 1...f5!
    • 1.Bd7?
      • 1...Kb1
        • 2.Rd1#
      • 1...f5!
    • 1.Bh7?
      • 1...Kb1
        • 2.Rd1#
      • 1...f5!
    • 1.Bc8?
      • 1...Kb1
        • 2.Rd1#
      • 1...f5!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Rd1#
      • 1...Kb1
        • 2.Rd1#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::B(C)+R(B),DCHECK
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::B(C)+R(B),DCHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::B(C)+R(B),DCHECK
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::B(C)+R(B),DCHECK
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::B(C)+R(B),DCHECK
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(b);
  • Actual
    • B(C);
    • Threat
      • R1(B)
    • Vars
      • K(a);P-FLIGHT::R(B)
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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).