MESON Chess Problem Database

Problem Display
PID: 79224 (8/8/2p5/2p5/K1B5/N7/1k1B4/8 w - - 0 1)

Auhagen, Ulrich Otto Ferdinand

Deutsche Schachzeitung, 1979

8/8/2p5/2p5/K1B5/N7/1k1B4/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Ka1
      • 2.Bc3#
  • Tries
    • 1.Be1?
      • 1...Ka1
        • 2.Bc3#
      • 1...Kc1!
    • 1.Bf4?
      • 1...Ka1
        • 2.Be5#
      • 1...Kc3!
    • 1.Ba5?
      • 1...Ka1
        • 2.Bc3#
      • 1...Kc1!
    • 1.Bg5?
      • 1...Ka1
        • 2.Bf6#
      • 1...Kc3!
    • 1.Bh6?
      • 1...Ka1
        • 2.Bg7#
      • 1...Kc3!
    • 1.Bb3?
      • 1...Ka1
        • 2.Bc3#
      • 1...c4!
    • 1.Be6?
      • 1...Ka1
        • 2.Bc3#
      • 1...c4!
    • 1.Bf7?
      • 1...Ka1
        • 2.Bc3#
      • 1...c4!
    • 1.Bg8?
      • 1...Ka1
        • 2.Bc3#
      • 1...c4!
  • Keys
    • 1.Ka5!
      • 1...Ka1
        • 2.Bc3#
      • 1...Kxa3
        • 2.Bc1#

FEATURES

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