MESON Chess Problem Database

Problem Display
PID: 47721 (kbN5/p7/3N4/8/4K3/6Q1/8/8 w - - 0 1)

Grolman, Lev

Kudesnik, 1998

kbN5/p7/3N4/8/4K3/6Q1/8/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002
145 StrateGems 2007

SOLUTION

  • SOUND
  • Tries
    • 1.Qb3?
      • threat
        • 2.Qd5#
        • 2.Qb7#
      • 1...Bc7
        • 2.Qb7#
      • 1...Bxd6!
    • 1.Qg7?
      • threat
        • 2.Qb7#
      • 1...Bxd6
        • 2.Qxa7#
      • 1...Bc7!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Qd5#
      • 1...Bxd6
        • 2.Sxd6#
      • 1...Bc7
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);::QAB1(A)
      • Refutation
        • B(c);XS(C)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • B(c);N_GUARD,XS(C)::QAR1(A),XP(a)
      • Refutation
        • B(c);
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • B(c);XS(C)::QAR(A)+S(D),XB(c)
      • B(c);::QAR(A)+S(D),DCHECK
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