MESON Chess Problem Database

Problem Display
PID: 22726 (8/5K1p/4Q3/6k1/3P2N1/8/8/7R w - - 0 1)

Tikkanen, Tapani

The Problemist, 1984

8/5K1p/4Q3/6k1/3P2N1/8/8/7R

#2

5 + 2

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2?
      • threat
        • 2.Qg4#
        • 2.Qe5#
        • 2.Qf6#
      • 1...h5
        • 2.Qf6#
      • 1...Kf4!
    • 1.Se3?
      • threat
        • 2.Qg4#
        • 2.Qf5#
        • 2.Qe5#
        • 2.Qf6#
        • 2.Qh6#
      • 1...h5
        • 2.Qf6#
      • 1...h6
        • 2.Qg4#
        • 2.Qf5#
        • 2.Qe5#
        • 2.Qf6#
        • 2.Qxh6#
      • 1...Kf4!
    • 1.Se5?
      • threat
        • 2.Qg4#
        • 2.Qf6#
      • 1...h5
        • 2.Qf6#
      • 1...Kf4!
    • 1.Qe3+?
      • 1...Kf5
        • 2.Sh6#
      • 1...Kxg4!
  • Keys
    • 1.Sh2!
      • 1...Kf4
        • 2.Qe5#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh5
        • 2.Sf3#
      • 1...h5
        • 2.Qf6#
      • 1...h6
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(3)
      • Vars
        • P(b);::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • DUALS(5)
      • Vars
        • P(b);::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
      • K(a);S_FLIGHT::QAR1(D)
      • K(a);P-FLIGHT::R(A)+S(C)
      • P(b);SBLOCK::QAB1(D)
      • P(b);SBLOCK::QAR1(D)
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