MESON Chess Problem Database

Problem Display
PID: 73433 (n7/1Rp5/8/N1k1K3/1pN5/8/1P6/8 w - - 0 1)

Wigan, TK

The Field, 1946

(First published on Sat Nov 23 1946)

n7/1Rp5/8/N1k1K3/1pN5/8/1P6/8

#2

5 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2?
      • threat
        • 2.Sdb3#
        • 2.Se4#
      • 1...b3
        • 2.Sdxb3#
        • 2.Se4#
      • 1...Sb6!
    • 1.Sd6?
      • threat
        • 2.Se4#
        • 2.Rb5#
      • 1...Sb6
        • 2.Rxc7#
      • 1...c6
        • 2.Sb3#
        • 2.Se4#
      • 1...cxd6+!
  • Keys
    • 1.Sa3!
      • threat
        • 2.Rb5#
      • 1...bxa3
        • 2.b4#
      • 1...Sb6
        • 2.Rxc7#
      • 1...c6
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Refutation
        • S(d);
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);N_GUARD,SBLOCK::R(E),XP(c)
      • Refutation
        • P(c);CHECK,XS(B)
  • Actual
    • S(B);
    • Threat
      • R1(E)
    • Vars
      • P(a);OGATE,XS(B)::P(A)
      • S(d);N_GUARD,SBLOCK::R(E),XP(c)
      • P(c);SBLOCK::S(C)
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