MESON Chess Problem Database

Problem Display
PID: 39230 (8/5K2/6N1/6pk/7N/2Q5/8/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/5K2/6N1/6pk/7N/2Q5/8/8

#2

4 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kg4
      • 2.Qf3#
    • 1...Kh6
      • 2.Qh8#
  • Tries
    • 1.Kg7?
      • 1...Kg4
        • 2.Qf3#
      • 1...g4
        • 2.Qa5#
        • 2.Qe5#
        • 2.Qc5#
      • 1...gxh4!
    • 1.Sf3?
      • 1...Kh6
        • 2.Qh8#
      • 1...g4
        • 2.Qh8#
      • 1...Kg4!
    • 1.Qd4?
      • 1...Kh6
        • 2.Qh8#
      • 1...gxh4
        • 2.Qxh4#
      • 1...g4!
    • 1.Qe5?
      • 1...Kh6
        • 2.Qh8#
      • 1...Kg4!
    • 1.Qh3?
      • threat
        • 2.Sg2#
        • 2.Sf3#
        • 2.Sf5#
      • 1...Kh6
        • 2.Sg2#
        • 2.Sf3#
        • 2.Sf5#
      • 1...gxh4
        • 2.Qxh4#
      • 1...g4!
  • Keys
    • 1.Qf6!
      • 1...Kg4
        • 2.Qf3#
      • 1...Kh6
        • 2.Qh8#
      • 1...gxh4
        • 2.Qxh4#
      • 1...g4
        • 2.Sf4#

There are these versions: 162199

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(A)
    • K(b);P-FLIGHT::QAR2(A)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • P(a);XS(B)
    • Try
      • S(B);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
        • P(a);SBLOCK::QAR(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
        • P(a);OGATE,XS(B)::QAR1(A),XP(a)
      • Refutation
        • P(a);
    • Try
      • Q(A);P_PINP(a)
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(3)
      • Vars
        • P(a);OGATE,P_SPINP(a),XS(B)::QAR1(A),XP(a)
      • Refutation
        • P(a);
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • K(b);P-FLIGHT::QAR2(A)
      • P(a);OGATE,XS(B)::QAR1(A),XP(a)
      • P(a);N_GUARD,SBLOCK::S(C)
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