MESON Chess Problem Database

Problem Display
PID: 131902 (8/3K2B1/8/3k1p2/4Np2/1P2p3/2P1B1P1/8 w - - 0 1)

Braungart, Hans

Sammler, 1894

8/3K2B1/8/3k1p2/4Np2/1P2p3/2P1B1P1/8

#2

7 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Bf3#
  • Tries
    • 1.Bb5?
      • threat
        • 2.Bc6#
      • 1...Kxe4
        • 2.Bc6#
      • 1...fxe4!
    • 1.Ba6?
      • threat
        • 2.Bb7#
      • 1...Kxe4
        • 2.Bb7#
      • 1...fxe4!
  • Keys
    • 1.b4!
      • threat
        • 2.Sc3#
      • 1...Kxe4
        • 2.Bf3#
      • 1...fxe4
        • 2.c4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);OGATEB,S_FLIGHT,XS(E)::B(B)
  • Tries
    • Try
      • B(B);
      • Threat
        • B(B)
      • Vars
        • K(c);S_FLIGHT,XS(E)::B(B)
      • Refutation
        • P(d);XS(E)
    • Try
      • B(B);
      • Threat
        • B(B)
      • Vars
        • K(c);S_FLIGHT,XS(E)::B(B)
      • Refutation
        • P(d);XS(E)
  • Actual
    • P(D);
    • Threat
      • S(E)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(E)::B(B)
      • P(d);SBLOCK,XS(E)::P(A)
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