MESON Chess Problem Database

Problem Display
PID: 51077 (5Nbr/3Q4/2p1P1pP/4p1k1/4P1P1/4N1K1/8/8 w - - 0 1)

Morsch, Gustav

Burnley Express, 1880

5Nbr/3Q4/2p1P1pP/4p1k1/4P1P1/4N1K1/8/8

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Qd8#
    • 1...Rxh6
      • 2.Qe7#
      • 2.Qd8#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Qe7#
        • 2.Qd8#
      • 1...Kf6
        • 2.Qe7#
        • 2.Qd8#
      • 1...gxf5
        • 2.Qg7#
      • 1...Rh7!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Sd5#
      • 1...Kf6
        • 2.Qd8#
      • 1...Kxh6
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(G)
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(d);OGATEB,XS(A)::QAR2(G)
      • Refutation
        • R(f);
  • Actual
    • Q(G);
    • Threat
      • QAB(G)+S(A)
    • Vars
      • K(b);S_FLIGHT::QAB(G)
      • K(b);S_FLIGHT,XP(F)::QAB(G)+S(A),DCHECK
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