MESON Chess Problem Database

Problem Display
PID: 142359 (K7/Q7/2Pp4/3kp3/1P5B/P7/8/1B6 w - - 0 1)

Reid, JC

British Chess Magazine, 1891

K7/Q7/2Pp4/3kp3/1P5B/P7/8/1B6

#2

7 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Qb7#
  • Tries
    • 1.Ba2+?
      • 1...Kxc6
        • 2.Qb7#
      • 1...Ke4!
    • 1.Qf7+?
      • 1...Kxc6
        • 2.Qb7#
      • 1...Kd4!
  • Keys
    • 1.Qh7!
      • 1...Kc4
        • 2.Qd3#
      • 1...Kd4
        • 2.Qd3#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Ke6
        • 2.Qg8#
      • 1...e4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,S_FLIGHT,XP(E)::QAB1(F)
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(E)::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(E)::QAB1(F)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);P-FLIGHT::QAR1(F)
      • K(a);OGATEB,S_FLIGHT,XP(E)::QAB1(F)
      • K(a);S_FLIGHT::QAB(F)
      • P(b);::QAB1(F),XP(b)
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