MESON Chess Problem Database

Problem Display
PID: 206363 (2n5/p2Qp3/8/4k1B1/8/2K1Pb2/5P2/8 w - - 0 1)

Langweil, Walter

Sachovy Svet, 1925

2n5/p2Qp3/8/4k1B1/8/2K1Pb2/5P2/8

#2

5 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qe6#
    • 1...Be4
      • 2.f4#
  • Tries
    • 1.Bf4+?
      • 1...Ke4
        • 2.Qe6#
        • 2.Qd3#
      • 1...Kf6!
  • Keys
    • 1.e4!
      • threat
        • 2.Qd5#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Bxe4
        • 2.f4#
      • 1...Sb6
        • 2.Qxe7#
      • 1...Sd6
        • 2.Qxe7#
      • 1...e6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(E)
    • B(a);OGATE,SBLOCK::P(A)
  • Tries
    • Try
      • B(D);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(C);
    • Threat
      • QAR1(E)
    • Vars
      • K(b);P-FLIGHT,XP(C)::QAR2(E)
      • B(a);OGATE,SBLOCK,XP(C)::P(A)
      • S(e);N_GUARD::QAR2(E),XP(d)
      • P(d);SBLOCK::QAB1(E)
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Developed and maintained by Brian Stephenson.
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