MESON Chess Problem Database

Problem Display
PID: 94510 (3B4/8/8/1K2kpN1/3R4/4p3/2N5/8 w - - 0 1)

Sova, Jakub

Ceskoslovenska republika, 1922

3B4/8/8/1K2kpN1/3R4/4p3/2N5/8

#2

5 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kc4?
      • 1...f4
        • 2.Rd5#
      • 1...e2!
    • 1.Kc5?
      • 1...f4
        • 2.Rd5#
      • 1...e2!
    • 1.Kc6?
      • 1...f4
        • 2.Rd5#
      • 1...e2!
    • 1.Sxe3?
      • 1...f4
        • 2.Rd5#
      • 1...Kxd4!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sc6#
      • 1...Kxd4
        • 2.Bf6#
      • 1...f4
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(c);SBLOCK::R1(B)
      • Refutation
        • P(a);
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(c);SBLOCK::R1(B)
      • Refutation
        • P(a);
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(c);SBLOCK::R1(B)
      • Refutation
        • P(a);
    • Try
      • S(A);XP(a)
      • Vars
        • P(c);SBLOCK::R1(B)
      • Refutation
        • K(b);S_FLIGHT,XR(B)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(b);S_FLIGHT,XR(B)::B(E)
      • P(c);SBLOCK::R1(B)
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).