MESON Chess Problem Database

Problem Display
PID: 76896 (1B6/8/4nR2/2kp4/8/K7/4B3/5Q2 w - - 0 1)

Hicks, GJ

The Tablet, 1948

(First published on Sat Jan 31 1948)

1B6/8/4nR2/2kp4/8/K7/4B3/5Q2

#2

5 + 3

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Ba7#
    • 1...Sf4
      • 2.Ba7#
    • 1...Sg5
      • 2.Ba7#
    • 1...Sc7
      • 2.Ba7#
    • 1...Sg7
      • 2.Ba7#
    • 1...Sd8
      • 2.Ba7#
    • 1...Sf8
      • 2.Ba7#
  • Tries
    • 1.Ba6?
      • 1...Kb6
        • 2.Qb5#
      • 1...Kc6
        • 2.Qb5#
      • 1...Sd4
        • 2.Ba7#
      • 1...Sf4
        • 2.Ba7#
      • 1...Sg5
        • 2.Ba7#
      • 1...Sc7
        • 2.Ba7#
      • 1...Sg7
        • 2.Ba7#
      • 1...Sd8
        • 2.Ba7#
      • 1...Sf8
        • 2.Ba7#
      • 1...d4
        • 2.Qb5#
      • 1...Kd4!
    • 1.Rxe6?
      • threat
        • 2.Ba7#
      • 1...d4
        • 2.Qf5#
      • 1...Kd4!
    • 1.Qb1?
      • 1...Kc6
        • 2.Qb5#
      • 1...Sd4
        • 2.Ba7#
        • 2.Qb4#
        • 2.Qb6#
      • 1...Sf4
        • 2.Ba7#
        • 2.Qb4#
        • 2.Qb6#
      • 1...Sg5
        • 2.Ba7#
        • 2.Qb4#
        • 2.Qb6#
      • 1...Sc7
        • 2.Ba7#
        • 2.Qb4#
        • 2.Qb6#
      • 1...Sg7
        • 2.Ba7#
        • 2.Qb4#
        • 2.Qb6#
      • 1...Sd8
        • 2.Ba7#
        • 2.Qb4#
        • 2.Qb6#
      • 1...Sf8
        • 2.Ba7#
        • 2.Qb4#
        • 2.Qb6#
      • 1...d4
        • 2.Qb5#
      • 1...Kd4!
    • 1.Qc1+?
      • 1...Kb6
        • 2.Qc7#
      • 1...Kd4!
  • Keys
    • 1.Qf4!
      • 1...Kb6
        • 2.Qc7#
      • 1...Kc6
        • 2.Qc7#
      • 1...Sxf4
        • 2.Ba7#
      • 1...d4
        • 2.Qd6#
      • 1...Sd4
        • 2.Ba7#
        • 2.Qd6#
      • 1...Sg5
        • 2.Ba7#
        • 2.Qb4#
      • 1...Sc7
        • 2.Ba7#
        • 2.Qb4#
      • 1...Sg7
        • 2.Ba7#
        • 2.Qb4#
      • 1...Sd8
        • 2.Ba7#
        • 2.Qb4#
      • 1...Sf8
        • 2.Ba7#
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • S(c);SBLOCK::B(E)
    • S(c);::B(E)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);P_SPINS(c),S_FLIGHT::QAR1(A)
        • K(a);P-FLIGHT,P_SPINS(c)::QAB1(A)
        • S(c);SBLOCK::B(E)
        • S(c);::B(E)
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);XS(c)
      • Threat
        • B(E)
      • Vars
        • P(b);OGATEB,SBLOCK::QAR(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT,P_SPINS(c)::QAB1(A)
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,P_SPINS(c),S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P_SPINS(c),S_FLIGHT::QAB1(A)
      • K(a);P-FLIGHT,P_SPINS(c)::QAR1(A)
      • S(c);XQ(A)::B(E)
      • P(b);::QAB1(A)
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