MESON Chess Problem Database

Problem Display
PID: 142232 (6B1/3K4/5p2/6p1/4kBp1/3p2P1/2P5/2nQ4 w - - 0 1)

Tucker, Frederick G

British Chess Magazine, 1891

6B1/3K4/5p2/6p1/4kBp1/3p2P1/2P5/2nQ4

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Bh7#
    • 1...Sa2
      • 2.Qxd3#
    • 1...Se2
      • 2.Qxd3#
    • 1...Sb3
      • 2.Qxd3#
    • 1...dxc2
      • 2.Qd5#
  • Tries
    • 1.Qe1+?
      • 1...Kf3
        • 2.Bd5#
      • 1...Kd4
        • 2.Qb4#
      • 1...Kf5
        • 2.Bh7#
      • 1...Se2!
    • 1.Qh1+?
      • 1...Kf5
        • 2.Bh7#
        • 2.Qh7#
      • 1...Kd4!
  • Keys
    • 1.Qd2!
      • 1...Kf3
        • 2.Bd5#
      • 1...Kd4
        • 2.Qb4#
      • 1...Kf5
        • 2.Bh7#
      • 1...dxc2
        • 2.Qd5#
      • 1...gxf4
        • 2.Qxf4#
      • 1...Sa2
        • 2.Qxd3#
      • 1...Se2
        • 2.Qxd3#
      • 1...Sb3
        • 2.Qxd3#
      • 1...f5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::B(F)
    • S(a);N_GUARD::QAB1(A),XP(b)
    • P(b);OGATE,XP(B)::QAB1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::B(F)
        • K(c);P-FLIGHT::QAR2(A)
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(c);S_FLIGHT::B(F)
      • K(c);P-FLIGHT,P_SPINP(b)::QAR2(A)
      • P(b);OGATE,XP(B)::QAB1(A)
      • P(e);OGATE,XB(D)::QAR1(A),XP(e)
      • S(a);N_GUARD::QAB1(A),XP(b)
      • P(f);SBLOCK::QAR1(A)
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