MESON Chess Problem Database

Problem Display
PID: 208003 (1R6/7p/3k4/bB3K2/1p6/5P2/3p4/7Q w - - 0 1)

Blood, Charles H

Dubuque Chess Journal, 1873

1R6/7p/3k4/bB3K2/1p6/5P2/3p4/7Q

#2

5 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc7
      • 2.Qh2#
  • Tries
    • 1.Qh2+?
      • 1...Kc5
        • 2.Qe5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Ke7!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qe5#
      • 1...Kc5
        • 2.Qe5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kc7
        • 2.Qe5#
      • 1...Ke7
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::QAB(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR2(A)
        • K(d);P-FLIGHT::QAR1(A)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(d);S_FLIGHT::QAR2(A)
      • K(d);P-FLIGHT::QAR1(A)
      • K(d);S_FLIGHT::QAB(A)
      • K(d);S_FLIGHT::QAB1(A)
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