MESON Chess Problem Database

Problem Display
PID: 76813 (2K5/8/pk6/Rpp5/2B5/8/8/3Q4 w - - 0 1)

Dombey, Father

The Tablet, 1945

(First published on Sat Nov 24 1945)

2K5/8/pk6/Rpp5/2B5/8/8/3Q4

#2

4 + 4

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Rxa6#
    • 1...b4
      • 2.Rxa6#
  • Tries
    • 1.Qa1?
      • threat
        • 2.Rxa6#
      • 1...Kc6
        • 2.Rxa6#
        • 2.Qf6#
      • 1...Ka7
        • 2.Rxa6#
      • 1...bxc4!
    • 1.Qd5?
      • 1...Ka7
        • 2.Qb7#
      • 1...bxc4
        • 2.Qxc5#
      • 1...b4
        • 2.Rxa6#
        • 2.Qxc5#
      • 1...Kxa5!
    • 1.Qd6+?
      • 1...Ka7
        • 2.Rxa6#
        • 2.Qb8#
        • 2.Qxa6#
      • 1...Kxa5!
    • 1.Qd8+?
      • 1...Kc6
        • 2.Bd5#
        • 2.Rxa6#
        • 2.Qf6#
        • 2.Qc7#
      • 1...Ka7!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Rxa6#
      • 1...Kc6
        • 2.Rxa6#
      • 1...Ka7
        • 2.Rxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(d);P-FLIGHT::R(C),XP(c)
    • P(a);::R1(C),XP(c)
  • Tries
    • Try
      • Q(A);
      • Threat
        • R1(C),XP(c)
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::R1(C),XP(c)
      • Refutation
        • P(a);XB(B)
    • Try
      • Q(A);
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::QAR1(A)
        • P(a);XB(B)::QAB1(A),XP(b)
      • Refutation
        • K(d);S_FLIGHT,XR(C)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(d);S_FLIGHT,XR(C)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(d);P_SPINP(c),S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • R1(C),XP(c)
    • Vars
      • K(d);P-FLIGHT,P_SPINP(a)::R(C),XP(c)
      • K(d);P_SPINP(c),S_FLIGHT::R1(C),XP(c)
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