MESON Chess Problem Database

Problem Display
PID: 217458 (4Q3/8/3p4/3k1PN1/1K6/n1P5/2b4b/8 w - - 0 1)

Uhler, Ekkehard

Badische Neueste Nachrichten, 1983

4Q3/8/3p4/3k1PN1/1K6/n1P5/2b4b/8

#2

5 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Qe4#
    • 1...Bb3
      • 2.Qe4#
    • 1...Ba4
      • 2.Qe4#
    • 1...Be4
      • 2.Qxe4#
    • 1...Be5
      • 2.Qa8#
    • 1...Sb1
      • 2.Qb5#
    • 1...Sc4
      • 2.Qb5#
    • 1...Sb5
      • 2.Qxb5#
  • Tries
    • 1.Se4?
      • threat
        • 2.Sf6#
      • 1...Be5
        • 2.Qa8#
      • 1...Bxe4!
  • Keys
    • 1.Sh7!
      • threat
        • 2.Sf6#
      • 1...Be5
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • B(a);N_GUARD::QAB1(E)
    • B(a);N_GUARD::QAB1(E),XB(a)
    • B(b);SBLOCK::QAB(E)
    • S(c);N_GUARD::QAR2(E)
    • S(c);N_GUARD::QAR2(E),XS(c)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • B(b);SBLOCK::QAB(E)
      • Refutation
        • B(a);XS(D)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • B(b);SBLOCK::QAB(E)
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