MESON Chess Problem Database

Problem Display
PID: 57473 (8/1n1p4/1K6/3kPp2/2NrN1pR/BBP5/3r1PQ1/1n1R2b1 w - - 0 1)

Ulehla, Johann Viktor

5th Prize, Schach-Echo, 1933

8/1n1p4/1K6/3kPp2/2NrN1pR/BBP5/3r1PQ1/1n1R2b1

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Sg5#
    • 1...Ra2
      • 2.Sc5#
      • 2.Sg5#
    • 1...Rb2
      • 2.Sc5#
      • 2.Sg5#
    • 1...Rc2
      • 2.Sc5#
      • 2.Sg5#
  • Tries
    • 1.Bd6?
      • threat
        • 2.Se3#
      • 1...Ke6
        • 2.Sg5#
      • 1...Rxc4
        • 2.Sc5#
        • 2.Sg5#
      • 1...Sxd6!
  • Keys
    • 1.f4!
      • threat
        • 2.Se3#
      • 1...Rxc4+
        • 2.Sc5#
      • 1...Ke6
        • 2.Sg5#
      • 1...Rxg2
        • 2.Scd6#
      • 1...gxf4 ep
        • 2.Qg8#
      • 1...Be3
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(f);S_FLIGHT::S(H)
  • Tries
    • Try
      • B(D);
      • Threat
        • B(E)+S(G),DCHECK
      • Vars
        • K(f);S_FLIGHT::S(H)
      • Refutation
        • S(h);XB(D)
  • Actual
    • P(B);
    • Threat
      • B(E)+S(G),DCHECK
    • Vars
      • R(d);CHECK,N_GUARD,P_SPINR(c),XS(G)::QAB(C)+S(H)
      • K(f);S_FLIGHT::S(H)
      • R(c);P_SPINR(d),XQ(C)::B(E)+S(G)
      • P(e);EP,OGATE,XP(B)::QAB(C)
      • B(b);::B(E)+S(G),DCHECK,XB(b)
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Developed and maintained by Brian Stephenson.
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