MESON Chess Problem Database

Problem Display
PID: 166852 (8/6N1/1pp2Q2/3k4/8/1K2p3/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 1998

8/6N1/1pp2Q2/3k4/8/1K2p3/8/8

#2

3 + 4

15148 Sadier Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qe5#
  • Tries
    • 1.Qf5+?
      • 1...Kd4
        • 2.Se6#
      • 1...Kd6!
    • 1.Qe6+?
      • 1...Kc5
        • 2.Qe5#
      • 1...Kd4!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Qd4#
      • 1...Ke4
        • 2.Qf5#
      • 1...Kc5
        • 2.Qe5#
      • 1...c5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::S(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • QAR1(B)
    • Vars
      • K(b);S_FLIGHT::QAB1(B)
      • K(b);P-FLIGHT::QAR2(B)
      • P(d);SBLOCK::QAB1(B)
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