MESON Chess Problem Database

Problem Display
PID: 79193 (5R2/1N1R3P/2r3r1/4k3/1Bpnpn2/4NPp1/8/1K6 w - - 0 1)

Rice, John Michael

The Tablet, 1963

(First published on Sat Mar 16 1963)

5R2/1N1R3P/2r3r1/4k3/1Bpnpn2/4NPp1/8/1K6

#2

8 + 8

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Re7#
    • 1...Rce6
      • 2.Sxc4#
    • 1...Rge6
      • 2.Sg4#
    • 1...Sde6
      • 2.Rf5#
    • 1...Sfe6
      • 2.Rd5#
  • Tries
    • 1.Rd5+?
      • 1...Ke6
        • 2.Sd8#
      • 1...Sxd5!
    • 1.Rf5+?
      • 1...Ke6
        • 2.Re7#
      • 1...Sxf5!
  • Keys
    • 1.Re7+!
      • 1...Rce6
        • 2.Bd6#
      • 1...Rge6
        • 2.h8Q#
        • 2.h8B#
      • 1...Sde6
        • 2.Bc3#
      • 1...Sfe6
        • 2.f4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • K(f);P-FLIGHT::R1(F)
    • R(g);N_GUARD,SBLOCK::S(B),XP(b)
    • R(h);N_GUARD,SBLOCK::S(B)
    • S(c);N_GUARD,SBLOCK::R1(H)
    • S(e);N_GUARD,SBLOCK::R1(F)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(f);P-FLIGHT::S(E)
      • Refutation
        • S(e);XR(F)
    • Try
      • R(H);CHECK
      • Vars
        • K(f);P-FLIGHT::R1(F)
      • Refutation
        • S(c);XR(H)
  • Actual
    • R(F);CHECK
    • Vars
      • R(g);P_SPINR(g)::B(D)
      • R(h);P_SPINR(h)::P=Q
      • S(c);P_SPINS(c),S_CUTR(g),S_CUTR(h),S_CUTS(e)::B(D)
      • S(e);OGATE,P_SPINS(e)::P(C)
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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).