MESON Chess Problem Database

Problem Display
PID: 23430 (8/5K2/8/4pk2/7R/5N1N/8/8 w - - 0 1)

Larsen, Karl Adolf Koefoed

L'Echecs Marseillais, 1925

8/5K2/8/4pk2/7R/5N1N/8/8

#2

4 + 2

2786 More Fun with Chess Miniatures 2000
3713 Snap 2018

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Rf4#
  • Tries
    • 1.Rg4?
      • 1...e4
        • 2.Rf4#
        • 2.Rg5#
      • 1...Kxg4!
  • Keys
    • 1.Sh2!
      • 1...e4
        • 2.Rh5#

This anticipates 171385(1995)

This is a version of 205519

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::R1(C)
  • Tries
    • Try
      • R(C);
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • S(A);
    • Vars
      • P(a);SBLOCK::R(C)
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