MESON Chess Problem Database

Problem Display
PID: 149150 (8/4p3/4P2Q/1B1kB1R1/7P/K7/3P4/8 w - - 0 1)

Dedrle, Frantisek

Casopis ceskoslovenskych sachistu, 1909

8/4p3/4P2Q/1B1kB1R1/7P/K7/3P4/8

#2

8 + 2

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Qg7?
      • 1...Kc5
        • 2.Bc7#
      • 1...Kxe6
        • 2.Qg8#
      • 1...Ke4!
    • 1.Qf8?
      • 1...Ke4
        • 2.Qa8#
      • 1...Kxe6
        • 2.Qg8#
      • 1...Kc5!
    • 1.Qh7?
      • 1...Kxe6
        • 2.Qg8#
      • 1...Kc5!
  • Keys
    • 1.Qh8!
      • 1...Ke4
        • 2.Qa8#
      • 1...Kc5
        • 2.Bc7#
      • 1...Kxe6
        • 2.Qg8#

FEATURES

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