MESON Chess Problem Database

Problem Display
PID: 90525 (8/3p4/3k2K1/N2NR3/2B5/6P1/4R1p1/6B1 w - - 0 1)

Ahlheim, Karl-Heinz

Paslack, Rainer

Die Schwalbe, 1968

8/3p4/3k2K1/N2NR3/2B5/6P1/4R1p1/6B1

#2

8 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Se3?
      • 1...Kxe5
        • 2.Sf5#
      • 1...Kc7!
    • 1.Rf2?
      • 1...Kc5
        • 2.Rf6#
      • 1...Kxe5!
  • Keys
    • 1.R5e3!
      • 1...Kc5
        • 2.Re6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Vars
        • K(b);S_FLIGHT,XR(G)::R(B)+S(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(b);S_FLIGHT::B(A)+R(B)
      • Refutation
        • K(b);S_FLIGHT,XR(G)
  • Actual
    • R(G);
    • Vars
      • K(b);S_FLIGHT::B(A)+R(G)
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