MESON Chess Problem Database

Problem Display
PID: 176182 (7R/8/8/5pp1/8/5N1K/7N/7k w - - 0 1)

Bours, J

Schach-Echo, 1966

7R/8/8/5pp1/8/5N1K/7N/7k

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Kg3?
      • threat
        • 2.Sf1#
        • 2.Sg4#
      • 1...g4
        • 2.Sf1#
        • 2.Sxg4#
      • 1...f4+!
    • 1.Sf1?
      • threat
        • 2.Kg3#
        • 2.Sg3#
      • 1...g4+
        • 2.Kg3#
      • 1...f4!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Kg3#
        • 2.Sf2#
      • 1...fxg4+
        • 2.Kg3#
      • 1...f4
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • DUALS(2)
      • Refutation
        • P(b);CHECK
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);CHECK::R(D)+K(C)
      • Refutation
        • P(b);
  • Actual
    • S(A);
    • Threat
      • DUALS(2)
    • Vars
      • P(b);CHECK,XS(A)::R(D)+K(C)
      • P(b);::S(A)
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