MESON Chess Problem Database

Problem Display
PID: 207022 (8/4K3/8/4k3/4B3/6R1/8/4Q3 w - - 0 1)

Loyd, Sam

Household Journal, 1861

8/4K3/8/4k3/4B3/6R1/8/4Q3

#2

4 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Bh1+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf5
        • 2.Qe4#
      • 1...Kf4!
    • 1.Bg2+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf5
        • 2.Qe4#
      • 1...Kf4!
    • 1.Bc6+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf5
        • 2.Qe4#
      • 1...Kf4!
    • 1.Bb7+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf5
        • 2.Qe4#
      • 1...Kf4!
    • 1.Ba8+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf5
        • 2.Qe4#
      • 1...Kf4!
  • Keys
    • 1.Re3!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
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