MESON Chess Problem Database

Problem Display
PID: 8032 (r3k3/8/1NP3K1/4p3/1Q6/8/8/8 w q - 0 1)

Rice, John Michael

Chess Problems for Solving, 1995

r3k3/8/1NP3K1/4p3/1Q6/8/8/8

#2

4 + 3

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Kf6?
      • threat
        • 2.Qe7#
      • 1...Kd8
        • 2.Qe7#
      • 1...Ra7!
    • 1.Sd7?
      • threat
        • 2.Qf8#
      • 1...0-0-0
        • 2.Qb7#
        • 2.Qb8#
      • 1...Kd8!
    • 1.Sxa8?
      • 1...Kd8
        • 2.Qf8#
      • 1...e4!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qe7#
      • 1...Kd8
        • 2.Qf8#
      • 1...0-0-0
        • 2.Qb7#
      • 1...Ra7
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • QAR1(A)
      • Vars
        • K(c);P-FLIGHT::QAB1(A)
      • Refutation
        • R(b);
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(B);XR(b)
      • Vars
        • K(c);P-FLIGHT::QAR2(A)
      • Refutation
        • P(a);
  • Actual
    • S(B);
    • Threat
      • QAR1(A)
    • Vars
      • K(c);P-FLIGHT::QAR2(A)
      • K(c);0-0-0,OGATEB::QAB1(A)
      • R(b);N_GUARD::QAR(A)
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