MESON Chess Problem Database

Problem Display
PID: 39771 (8/8/8/1Q5N/4p3/5k2/3B3K/6n1 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/8/8/1Q5N/4p3/5k2/3B3K/6n1

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qg5?
      • threat
        • 2.Qg2#
      • 1...Kf2
        • 2.Qg2#
      • 1...Ke2!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Qf5#
      • 1...Kf2
        • 2.Qf1#
      • 1...Kg4
        • 2.Qh5#
      • 1...Se2
        • 2.Qxe2#
      • 1...Sh3
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(D);
    • Threat
      • QAR2(C)
    • Vars
      • K(b);P-FLIGHT::QAR1(C)
      • K(b);S_FLIGHT::QAB1(C)
      • S(a);N_GUARD::QAB1(C),XS(a)
      • S(a);N_GUARD::QAB1(C)
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