MESON Chess Problem Database

Problem Display
PID: 222411 (4b3/1N1p3N/3PkP2/5p1n/Kp1P1r2/8/2P3QB/8 w - - 0 1)

Kondelik, Karel

Sachmat, 1884

4b3/1N1p3N/3PkP2/5p1n/Kp1P1r2/8/2P3QB/8

#2

9 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf7
      • 2.Sd8#
    • 1...Rf1
      • 2.Sd8#
    • 1...Rf2
      • 2.Sd8#
    • 1...Rxd4
      • 2.Sd8#
    • 1...Rg4
      • 2.Sd8#
    • 1...Rh4
      • 2.Sd8#
    • 1...Sxf6
      • 2.Sg5#
  • Tries
    • 1.Bxf4?
      • threat
        • 2.Sd8#
      • 1...Kf7
        • 2.Sd8#
      • 1...Sxf4!
    • 1.d5+?
      • 1...Kf7
        • 2.Sd8#
      • 1...Ke5!
  • Keys
    • 1.c4!
      • threat
        • 2.Qd5#
      • 1...Kf7
        • 2.Sd8#
      • 1...Rxd4
        • 2.Sd8#
      • 1...Sxf6
        • 2.Sg5#
      • 1...bxc4 ep
        • 2.Qa2#
      • 1...Rf3
        • 2.Sd8#
      • 1...Re4
        • 2.Sd8#

There are these versions: 10961

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • K(e);S_FLIGHT::S(H)
    • R(b);::S(H)
    • R(b);XP(E)::S(H)
    • S(d);SBLOCK,XP(G)::S(I)
  • Tries
    • Try
      • B(C);XR(b)
      • Threat
        • S(H)
      • Vars
        • K(e);S_FLIGHT::S(H)
      • Refutation
        • S(d);XB(C)
    • Try
      • P(E);CHECK
      • Vars
        • K(e);S_FLIGHT::S(H)
      • Refutation
        • K(e);P-FLIGHT,P_SPINR(b)
  • Actual
    • P(A);
    • Threat
      • QAB1(B)
    • Vars
      • K(e);S_FLIGHT::S(H)
      • R(b);XP(E)::S(H)
      • S(d);SBLOCK,XP(G)::S(I)
      • P(a);EP,OGATEB,P_PINP(E),XP(A)::QAB(B)
      • R(b);::S(H)
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).