MESON Chess Problem Database

Problem Display
PID: 287588 (rk2K3/pb1Bn3/4Np2/8/2p2R2/8/r6B/bR6 w - - 0 1)

Neale, Harry R

The Problemist, 1944

rk2K3/pb1Bn3/4Np2/8/2p2R2/8/r6B/bR6

#2

6 + 9

6490 yacpdb 2026

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Rf2#
    • 1...Ra4
      • 2.Rd4#
    • 1...Bb2
      • 2.Rd4#
    • 1...c3
      • 2.Rf2#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Rxb7#
      • 1...Rb2
        • 2.Rf2#
      • 1...Bb2
        • 2.Rd4#
      • 1...Kc7+!
    • 1.Rxf6+?
      • 1...Be5
        • 2.Bxe5#
      • 1...Rxh2!
  • Keys
    • 1.Sd8!
      • threat
        • 2.Rxb7#
      • 1...Kc7
        • 2.Rxc4#
      • 1...Rb2
        • 2.Rf2#
      • 1...Bb2
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(b);N_SPINB(f),S_CUTB(a)::B(B)+R(C)
    • R(b);N_GUARD::B(B)+R(C)
    • B(a);N_SPINB(f),S_CUTR(b)::B(B)+R(C)
    • P(c);S_CUTB(a)::B(B)+R(C)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(A),XB(f)
      • Vars
        • R(b);N_SPINB(f),S_CUTB(a)::B(B)+R(C)
        • B(a);N_SPINB(f),S_CUTR(b)::B(B)+R(C)
      • Refutation
        • K(i);CHECK,N_SPINB(f),S_FLIGHT
    • Try
      • R(C);CHECK,XP(d)
      • Vars
        • B(a);N_GUARD,N_SPINB(f),P_SPINB(a)::B(B),XB(a)
      • Refutation
        • R(b);XB(B)
  • Actual
    • S(D);
    • Threat
      • R1(A),XB(f)
    • Vars
      • K(i);N_SPINB(f),P_PINS(D),S_FLIGHT::B(B)+R(C),DCHECK,XP(c)
      • R(b);N_SPINB(f),S_CUTB(a)::B(B)+R(C)
      • B(a);N_SPINB(f),S_CUTR(b)::B(B)+R(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).