MESON Chess Problem Database

Problem Display
PID: 145842 (8/6P1/3B1K2/5b2/1pPkp3/P7/2Q1P2R/8 w - - 0 1)

Degener, Udo

Maleika, Gerhard

Heilbronner Stimme, 2008

8/6P1/3B1K2/5b2/1pPkp3/P7/2Q1P2R/8

#2

8 + 4

23 Die Schwalbe 2012

SOLUTION

  • SOUND
  • Tries
    • 1.Bxb4?
      • threat
        • 2.Qc3#
      • 1...Ke3
        • 2.Qd2#
      • 1...e3!
    • 1.Be5+?
      • 1...Ke3
        • 2.Qc1#
      • 1...Kc5!
    • 1.Rh4?
      • threat
        • 2.Qd3#
      • 1...Ke3
        • 2.Bc5#
      • 1...Bg4!
    • 1.g8Q?
      • threat
        • 2.Qd2#
      • 1...Ke3
        • 2.Qg1#
      • 1...e3
        • 2.Qd5#
      • 1...Be6!
  • Keys
    • 1.axb4!
      • threat
        • 2.Bc5#
      • 1...Ke3
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);XP(a)
      • Threat
        • QAB1(A)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • P(c);
    • Try
      • B(F);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(C);P_PINP(c)
      • Threat
        • QAR1(A)
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::B(F)
      • Refutation
        • B(d);N_SPINP(c)
    • Try
      • P(H);
      • Threat
        • QAR2(A)
      • Vars
        • K(b);S_FLIGHT::QAB(H)
        • P(c);SBLOCK::QAR1(H)
      • Refutation
        • B(d);
  • Actual
    • P(D);XP(a)
    • Threat
      • B(F)
    • Vars
      • K(b);S_FLIGHT::QAR2(A)
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