MESON Chess Problem Database

Problem Display
PID: 149143 (5K2/4N3/3k4/5Q2/8/8/7R/8 w - - 0 1)

Dehler, Otto Georg Edgar

Ceskoslovenska republika, 1928

5K2/4N3/3k4/5Q2/8/8/7R/8

#2

4 + 1

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Qb5?
      • 1...Ke6
        • 2.Rh6#
      • 1...Kc7!
    • 1.Qe5+?
      • 1...Kd7
        • 2.Rd2#
      • 1...Kxe5!
  • Keys
    • 1.Rh6+!
      • 1...Kc7
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
  • Actual
    • R(A);CHECK
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
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