MESON Chess Problem Database

Problem Display
PID: 38185 (8/8/6pp/7k/8/6pK/8/6Q1 w - - 0 1)

Kovalev, Sergey Valentinovich

Smena, 1998

8/8/6pp/7k/8/6pK/8/6Q1

#2

2 + 4

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Qe3?
      • 1...g5
        • 2.Qe8#
      • 1...g2!
    • 1.Qd4?
      • threat
        • 2.Qg4#
        • 2.Qh4#
      • 1...Kg5
        • 2.Qe5#
      • 1...g5!
  • Keys
    • 1.Qe1!
      • 1...Kg5
        • 2.Qe5#
      • 1...g5
        • 2.Qe8#
      • 1...g2
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • P(c);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • P(a);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
  • Actual
    • Q(A);
    • Vars
      • K(b);P-FLIGHT::QAR2(A)
      • P(c);OGATEB,SBLOCK::QAB(A)
      • P(a);OGATE::QAR1(A)
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