MESON Chess Problem Database

Problem Display
PID: 55091 (2K5/2pR1b2/4k3/b1pNPN1n/1p6/8/q1B1R3/5r2 w - - 0 1)

Parthasarathy, Dr Mukkur

Die Schwalbe, 1962

2K5/2pR1b2/4k3/b1pNPN1n/1p6/8/q1B1R3/5r2

#2

7 + 9

3747 FIDE Album (1962-1964) 1968

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Re7#
    • 1...Sg3
      • 2.Sg7#
    • 1...Sf4
      • 2.Sg7#
    • 1...Sf6
      • 2.Sg7#
      • 2.exf6#
    • 1...Sg7
      • 2.Sxg7#
    • 1...c4
      • 2.Sd4#
    • 1...c6
      • 2.Rd6#
  • Tries
    • 1.Sde3?
      • threat
        • 2.Re7#
      • 1...Kxe5
        • 2.Sd5#
      • 1...Rxf5!
    • 1.Sf4+?
      • 1...Sxf4
        • 2.Sg7#
      • 1...Rxf4!
    • 1.Sfe3?
      • threat
        • 2.Re7#
      • 1...Kxe5
        • 2.Sf5#
      • 1...Qxd5!
    • 1.Rd2?
      • threat
        • 2.Re7#
      • 1...Kxe5
        • 2.Re2#
      • 1...Qxc2!
  • Keys
    • 1.Be4!
      • threat
        • 2.Re7#
      • 1...Kxe5
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • Q(b);SBLOCK,XS(C)::R1(F)
    • S(f);N_GUARD::S(E)
    • S(f);N_GUARD::S(E),XS(f)
    • P(e);N_GUARD::S(E)
    • P(h);N_GUARD::R1(F)
  • Tries
    • Try
      • S(C);
      • Threat
        • R1(F)
      • Vars
        • K(g);P-FLIGHT,XP(D)::R(B)+S(C)
      • Refutation
        • R(a);XS(E)
    • Try
      • S(C);CHECK
      • Vars
        • S(f);XS(C)::S(E)
      • Refutation
        • R(a);XS(C)
    • Try
      • S(E);
      • Threat
        • R1(F)
      • Vars
        • K(g);P-FLIGHT,XP(D)::R(B)+S(E)
      • Refutation
        • Q(b);XS(C)
    • Try
      • R(B);
      • Threat
        • R1(F)
      • Vars
        • K(g);OGATEB,P-FLIGHT,XP(D)::R(B)
      • Refutation
        • Q(b);XB(A)
  • Actual
    • B(A);
    • Threat
      • R1(F)
    • Vars
      • K(g);OGATEB,P-FLIGHT,XP(D)::R(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).