MESON Chess Problem Database

Problem Display
PID: 16176 (8/3p4/K7/1Bk1p3/8/8/3QN3/8 w - - 0 1)

Lincoln, Robert A

StrateGems, 2000

8/3p4/K7/1Bk1p3/8/8/3QN3/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Qd4#
  • Tries
    • 1.Ka5?
      • 1...d5
        • 2.Qb4#
      • 1...e4
        • 2.Qd4#
      • 1...d6!
    • 1.Sg3?
      • threat
        • 2.Se4#
      • 1...e4
        • 2.Sxe4#
      • 1...d5!
    • 1.Bxd7?
      • 1...e4
        • 2.Qd4#
      • 1...Kc4!
    • 1.Qxd7?
      • 1...e4
        • 2.Qd4#
      • 1...Kb4!
  • Keys
    • 1.Qd3!
      • 1...Kb4
        • 2.Qc3#
      • 1...d5
        • 2.Qa3#
      • 1...e4
        • 2.Qd4#
      • 1...d6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::QAB1(A)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • P(c);SBLOCK::QAB1(A)
        • P(b);N_GUARD::QAB1(A)
      • Refutation
        • P(c);
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • P(b);::S(B),XP(b)
      • Refutation
        • P(c);
    • Try
      • B(C);XP(c)
      • Vars
        • P(b);N_GUARD::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);XP(c)
      • Vars
        • P(b);N_GUARD::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • P(c);SBLOCK::QAB(A)
      • P(b);N_GUARD::QAB1(A)
      • P(c);SBLOCK::QAR1(A)
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