MESON Chess Problem Database

Problem Display
PID: 23047 (8/8/2K1pp2/8/4k3/4N1Q1/2P5/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

8/8/2K1pp2/8/4k3/4N1Q1/2P5/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sd1?
      • 1...Kd4
        • 2.Qf4#
      • 1...e5
        • 2.Qg4#
      • 1...f5
        • 2.Qe3#
      • 1...Kf5!
    • 1.Qg4+?
      • 1...Ke5
        • 2.Sc4#
      • 1...Kxe3!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qg4#
      • 1...Kd4
        • 2.Qd3#
      • 1...Kf5
        • 2.Sd6#
      • 1...f5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
        • P(b);SBLOCK::QAR2(C)
        • P(c);SBLOCK::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XS(B)
  • Actual
    • S(B);
    • Threat
      • QAR2(C)
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • K(a);S_FLIGHT::S(B)
      • P(c);SBLOCK::QAR1(C)
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