MESON Chess Problem Database

Problem Display
PID: 85856 (8/4K3/7R/B4k2/8/3PP3/8/3B4 w - - 0 1)

Speckmann, Werner

Europe Echecs, 1968

8/4K3/7R/B4k2/8/3PP3/8/3B4

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Rh5#
  • Tries
    • 1.Kf7?
      • threat
        • 2.Rh5#
      • 1...Kg5
        • 2.Rh5#
      • 1...Ke5!
    • 1.Be2?
      • 1...Ke5
        • 2.Rh5#
      • 1...Kg5!
    • 1.Bf3?
      • 1...Ke5
        • 2.Rh5#
      • 1...Kg5!
    • 1.Be1?
      • 1...Ke5
        • 2.Rh5#
      • 1...Kg5!
    • 1.Bb4?
      • 1...Ke5
        • 2.Rh5#
      • 1...Kg5!
    • 1.Bb6?
      • 1...Ke5
        • 2.Rh5#
      • 1...Kg5!
    • 1.Bd8?
      • 1...Ke5
        • 2.Rh5#
      • 1...Kg5!
    • 1.Rb6?
      • 1...Ke5
        • 2.Rb5#
      • 1...Kg5!
    • 1.Rc6?
      • 1...Ke5
        • 2.Rc5#
      • 1...Kg5!
    • 1.Rg6?
      • 1...Ke5
        • 2.Rg5#
      • 1...Kxg6!
  • Keys
    • 1.Bd2!
      • 1...Ke5
        • 2.Rh5#
      • 1...Kg5
        • 2.e4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(E)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Threat
        • R(E)
      • Vars
        • K(a);P-FLIGHT::R1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT,XR(E)
  • Actual
    • B(D);
    • Vars
      • K(a);P-FLIGHT::R(E)
      • K(a);P-FLIGHT::B(D)+P(C)
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