MESON Chess Problem Database

Problem Display
PID: 175425 (Q7/7R/8/3B4/P2k2P1/8/3B4/5K2 w - - 0 1)

Decker, Adolfph L

Source?, 1899

Q7/7R/8/3B4/P2k2P1/8/3B4/5K2

#2

7 + 1

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qc6?
      • 1...Kd3
        • 2.Qc3#
      • 1...Ke5!
    • 1.Qa5?
      • 1...Kd3
        • 2.Qc3#
      • 1...Ke5!
  • Keys
    • 1.Rd7!
      • 1...Kd3
        • 2.Bb3#
      • 1...Kc5
        • 2.Qa7#
      • 1...Ke5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);
      • Vars
        • K(a);P-FLIGHT::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(a);P-FLIGHT::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(F);
    • Vars
      • K(a);P-FLIGHT::R(F)+B(E)
      • K(a);S_FLIGHT::QAB(G)
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