MESON Chess Problem Database

Problem Display
PID: 39192 (5Q2/1K1k4/3Nrp2/5P2/8/8/8/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

5Q2/1K1k4/3Nrp2/5P2/8/8/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sf7?
      • threat
        • 2.Qd8#
      • 1...Re8
        • 2.Qd6#
      • 1...Rb6+!
  • Keys
    • 1.Sc8!
      • 1...Rb6+
        • 2.Sxb6#
      • 1...Re8
        • 2.Qd6#
      • 1...Re1
        • 2.Sb6#
      • 1...Re2
        • 2.Sb6#
      • 1...Re3
        • 2.Sb6#
      • 1...Re4
        • 2.Sb6#
      • 1...Re5
        • 2.Sb6#
      • 1...Ra6
        • 2.Qe7#
      • 1...Rc6
        • 2.Qe7#
      • 1...Rd6
        • 2.Qe7#
      • 1...Re7
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(D)
      • Vars
        • R(a);N_GUARD,SBLOCK::QAR1(D)
      • Refutation
        • R(a);CHECK
  • Actual
    • S(B);
    • Vars
      • R(a);CHECK,N_GUARD::S(B),XR(a)
      • R(a);N_GUARD,SBLOCK::QAR1(D)
      • R(a);N_GUARD::S(B)
      • R(a);N_GUARD::QAR1(D)
      • R(a);N_GUARD::QAR1(D),XR(a)
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