MESON Chess Problem Database

Problem Display
PID: 51756 (6K1/5p2/6kp/8/7Q/5PN1/8/8 w - - 0 1)

Zimmer, Eligiusz

1st HM., StrateGems, 2004

6K1/5p2/6kp/8/7Q/5PN1/8/8

#2

4 + 3

145 StrateGems 2005

SOLUTION

  • SOUND
  • Sets
    • 1...f6
      • 2.Qg4#
      • 2.Qh5#
  • Tries
    • 1.Se4?
      • threat
        • 2.Qg4#
      • 1...Kf5
        • 2.Qf6#
      • 1...h5
        • 2.Qg5#
        • 2.Qf6#
      • 1...f5!
    • 1.Qe7?
      • 1...f6
        • 2.Qg7#
      • 1...f5
        • 2.Qg7#
      • 1...h5!
    • 1.Qd4?
      • threat
        • 2.Qg7#
      • 1...f6
        • 2.Qg4#
      • 1...Kg5!
    • 1.Qf4?
      • threat
        • 2.Qf5#
      • 1...f5
        • 2.Qxf5#
      • 1...h5!
    • 1.f4?
      • threat
        • 2.f5#
      • 1...h5
        • 2.Qg5#
      • 1...f5!
  • Keys
    • 1.Sh5!
      • threat
        • 2.Qg4#
      • 1...Kf5
        • 2.Qf6#
      • 1...f5
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR2(C)
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);
      • Vars
        • P(c);OGATE::QAR1(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • P(c);SBLOCK::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • P(c);::QAB1(C),XP(c)
      • Refutation
        • P(b);
    • Try
      • P(A);
      • Threat
        • P(A)
      • Vars
        • P(b);N_GUARD::QAR1(C)
      • Refutation
        • P(c);
  • Actual
    • S(B);
    • Threat
      • QAR2(C)
    • Vars
      • K(a);S_FLIGHT::QAR1(C)
      • P(c);SBLOCK::S(B)
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