MESON Chess Problem Database

Problem Display
PID: 165366 (5K2/p1N5/8/4BkPp/1Q6/2pN2R1/r1B5/2q2r2 w - - 0 1)

Moen, Kabe

The Problemist Supplement, 2017

5K2/p1N5/8/4BkPp/1Q6/2pN2R1/r1B5/2q2r2

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kg6+
      • 2.Sf4#
  • Tries
    • 1.Qg4+?
      • 1...Kg6+
        • 2.Sf4#
      • 1...hxg4!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qh7#
      • 1...Ke4+
        • 2.Sf2#
      • 1...Kg6+
        • 2.Sf4#
      • 1...Qxg5
        • 2.Sb2#
      • 1...Qa3
        • 2.Sb2#
      • 1...Ra6
        • 2.Sxc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(e);CHECK,S_FLIGHT::B(A)+S(B),DCHECK
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(e);CHECK,S_FLIGHT::B(A)+S(B),DCHECK
      • Refutation
        • P(f);XQ(D)
  • Actual
    • Q(D);
    • Threat
      • QAB(D)
    • Vars
      • K(e);CHECK,S_FLIGHT::B(A)+S(B),DCHECK
      • Q(a);N_GUARD,XP(F)::B(A)+S(B)
      • Q(a);N_GUARD,P_PINQ(D)::B(A)+S(B)
      • R(c);N_GUARD::B(A)+S(B),XQ(a)
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