MESON Chess Problem Database

Problem Display
PID: 78109 (8/8/8/2KBB3/2N5/p1Rp4/rR1P4/krb5 w - - 0 1)

Lunn, Peter

The Tablet, 1956

(First published on Sat Feb 4 1956)

8/8/8/2KBB3/2N5/p1Rp4/rR1P4/krb5

#2

7 + 6

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rbxb2
      • 2.Rxc1#
    • 1...Raxb2
      • 2.Rxa3#
  • Keys
    • 1.Sa5!
      • threat
        • 2.Rxa2#
      • 1...Kxb2
        • 2.Rc4#
      • 1...Rbxb2
        • 2.Rxc1#
      • 1...Raxb2
        • 2.Rxa3#
      • 1...Bxb2
        • 2.Sb3#
      • 1...axb2
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATEB,XR(A)::R(C),XB(c)
    • R(d);OGATEB,XR(A)::R(C),XP(e)
  • Actual
    • S(D);
    • Threat
      • R1(A),XR(d)
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(A)::B(G)+R(C)
      • R(b);OGATEB,XR(A)::R(C),XB(c)
      • R(d);OGATEB,XR(A)::R(C),XP(e)
      • B(c);SBLOCK,XR(A)::S(D)
      • P(e);SBLOCK,XR(A)::S(D)
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