MESON Chess Problem Database

Problem Display
PID: 221347 (6K1/6p1/7k/8/6Q1/8/8/8 w - - 0 1)

Chepizhni, Viktor Ivanovich

Suomen Shakki, 1997

6K1/6p1/7k/8/6Q1/8/8/8

#2

2 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...g6
      • 2.Qh4#
  • Tries
    • 1.Kf8?
      • 1...Kh7
        • 2.Qh5#
        • 2.Qxg7#
      • 1...g6
        • 2.Qh4#
      • 1...g5!
    • 1.Kh8?
      • 1...g6
        • 2.Qh4#
      • 1...g5!
    • 1.Qf5?
      • 1...g5
        • 2.Qh7#
      • 1...g6!
  • Keys
    • 1.Kf7!
      • threat
        • 2.Qh4#
        • 2.Qg6#
      • 1...Kh7
        • 2.Qh3#
        • 2.Qh5#
        • 2.Qh4#
        • 2.Qxg7#
      • 1...g5
        • 2.Qh3#
      • 1...g6
        • 2.Qh4#
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(b);SBLOCK::QAR2(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • P(b);
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • P(b);SBLOCK::QAR(A)
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