MESON Chess Problem Database

Problem Display
PID: 85809 (8/1p6/1K6/4p3/2k1B3/R7/3B4/8 w - - 0 1)

Speckmann, Werner

Skakbladet, 1968

8/1p6/1K6/4p3/2k1B3/R7/3B4/8

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Ra4#
  • Tries
    • 1.Ra1?
      • 1...Kd4
        • 2.Ra4#
      • 1...Kb3!
    • 1.Rb3?
      • threat
        • 2.Rb4#
      • 1...Kd4
        • 2.Rb4#
      • 1...Kxb3!
    • 1.Ra5?
      • 1...Kd4
        • 2.Ra4#
      • 1...Kb3!
    • 1.Ra7?
      • 1...Kd4
        • 2.Ra4#
      • 1...Kb3!
    • 1.Ra8?
      • 1...Kd4
        • 2.Ra4#
      • 1...Kb3!
  • Keys
    • 1.Ra2!
      • 1...Kb3
        • 2.Bd5#
      • 1...Kd4
        • 2.Ra4#

This is a version of 85727

FEATURES

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