MESON Chess Problem Database

Problem Display
PID: 51511 (6nk/1b1R2p1/q2p4/1r6/rn6/pQ1p3B/3K4/7R w - - 0 1)

Parthasarathy, Dr Mukkur

The Guardian, 1962

6nk/1b1R2p1/q2p4/1r6/rn6/pQ1p3B/3K4/7R

#2

5 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Kh7
      • 2.Bf5#
  • Tries
    • 1.Bf5+?
      • 1...Sh6
        • 2.Rd8#
      • 1...Bxh1!
  • Keys
    • 1.Rd8!
      • threat
        • 2.Qxg8#
      • 1...Kh7
        • 2.Bf5#
      • 1...Rd5
        • 2.Bf5#
      • 1...Bd5
        • 2.Bg2#
      • 1...Sd5
        • 2.Bg4#
      • 1...d5
        • 2.Be6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(k);P-FLIGHT,P_SPINP(i)::R(A)+B(D),DCHECK
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • S(j);P_SPINS(j),S_CUTB(h)::R(E)
      • Refutation
        • B(h);XR(A)
  • Actual
    • R(E);P_PINS(j)
    • Threat
      • QAR1(C),XS(j)
    • Vars
      • K(k);N_SPINS(j),P-FLIGHT::R(A)+B(D),DCHECK
      • R(e);S_CUTB(h)::R(A)+B(D)
      • B(h);S_CUTR(e)::R(A)+B(D)
      • S(d);S_CUTB(h),S_CUTR(e)::R(A)+B(D)
      • P(g);S_CUTB(h),S_CUTR(e)::R(A)+B(D)
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).