MESON Chess Problem Database

Problem Display
PID: 170124 (4RB2/3B4/8/P1NN4/1p1kP3/1P6/8/3K1R2 w - - 0 1)

Appenzeller, Reinhold

Tages-Anzeiger, 1972

4RB2/3B4/8/P1NN4/1p1kP3/1P6/8/3K1R2

#2

10 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Se3?
      • 1...Kc3
        • 2.Bg7#
      • 1...Kxe3!
    • 1.Sxb4?
      • 1...Ke3
        • 2.Sc2#
      • 1...Kc3!
    • 1.Sf4?
      • 1...Kc3
        • 2.Bg7#
      • 1...Ke3!
    • 1.Sb6?
      • 1...Kc3
        • 2.Bg7#
      • 1...Ke3!
    • 1.Sc7?
      • 1...Kc3
        • 2.Bg7#
      • 1...Ke3!
  • Keys
    • 1.Se7!
      • 1...Kc3
        • 2.Bg7#
      • 1...Ke3
        • 2.Sf5#
      • 1...Kxc5
        • 2.Sf5#
      • 1...Ke5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Vars
        • K(b);S_FLIGHT::B(J)
      • Refutation
        • K(b);S_FLIGHT,XS(G)
    • Try
      • S(G);XP(a)
      • Vars
        • K(b);S_FLIGHT::S(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(G);
      • Vars
        • K(b);S_FLIGHT::B(J)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(G);
      • Vars
        • K(b);S_FLIGHT::B(J)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(G);
      • Vars
        • K(b);S_FLIGHT::B(J)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(G);
    • Vars
      • K(b);S_FLIGHT::B(J)
      • K(b);S_FLIGHT::S(G)
      • K(b);S_FLIGHT,XS(F)::B(J)+S(G)
      • K(b);S_FLIGHT::R(I)+S(G),DCHECK
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