MESON Chess Problem Database

Problem Display
PID: 6157 (8/8/2R5/8/1k6/2N5/1PK5/1R6 w - - 0 1)

Torngren, Pehr Hendrik

Magyar Sakkvilag, 1927

8/8/2R5/8/1k6/2N5/1PK5/1R6

#2

5 + 1

273 Mat Plus 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.b4#
  • Tries
    • 1.Kc1?
      • 1...Ka5
        • 2.b4#
      • 1...Kb3!
    • 1.Kd1?
      • 1...Ka5
        • 2.b4#
      • 1...Kb3!
    • 1.Kd2?
      • 1...Ka5
        • 2.b4#
      • 1...Kb3!
    • 1.b3?
      • 1...Ka5
        • 2.b4#
      • 1...Ka3!
  • Keys
    • 1.Kd3!
      • 1...Kb3
        • 2.Rb6#
      • 1...Ka5
        • 2.b4#

FEATURES

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