MESON Chess Problem Database

Problem Display
PID: 251277 (8/4Q2K/1p1Pn3/1Rr1kNp1/2P1BnP1/4NP1p/r6B/q3R3 w - - 0 1)

Parthasarathy, Dr Mukkur

1st Comm., Jerusalem Post, 1962

8/4Q2K/1p1Pn3/1Rr1kNp1/2P1BnP1/4NP1p/r6B/q3R3

#2

12 + 9

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Rxd5#
  • Tries
    • 1.Bd5?
      • threat
        • 2.Qxe6#
      • 1...Rxd5
        • 2.Rxd5#
      • 1...Ra7
        • 2.Sd1#
      • 1...Rc7
        • 2.Bc6#
      • 1...Rxh2!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qf6#
      • 1...Rxd5
        • 2.Rxd5#
      • 1...Ra7
        • 2.Bb1#
      • 1...Rc7
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATE::R1(H),XR(e)
  • Tries
    • Try
      • B(F);N_PINR(e)
      • Threat
        • QAR1(K),XS(i)
      • Vars
        • R(e);OGATE,P_SPINR(e),XB(F)::R1(H),XR(e)
        • R(b);N_GUARD,P_PINQ(K)::R(A)+S(C)
        • R(e);OGATEB,P_PINQ(K)::R(H)+B(F)
      • Refutation
        • R(b);N_SPINS(d),P_SPINS(i),XB(B)
  • Actual
    • S(C);N_PINR(e)
    • Threat
      • QAB1(K)
    • Vars
      • R(e);OGATE,P_SPINR(e),XS(C)::R1(H),XR(e)
      • R(b);N_GUARD,P_PINQ(K)::R(A)+B(F)
      • R(e);P_PINQ(K)::R(H)+S(C),XR(e)
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).