MESON Chess Problem Database

Problem Display
PID: 9578 (Q7/4K3/8/2pN4/4k3/5N2/2P3P1/1B3b2 w - - 0 1)

von Holzhausen, Walther Freiherr

Akademische Monatshefte fur Schach, 1906

Q7/4K3/8/2pN4/4k3/5N2/2P3P1/1B3b2

#2

7 + 3

797 Bulletin de la FFE 1928

SOLUTION

  • SOUND
  • Sets
    • 1...Bb5
      • 2.c4#
    • 1...Ba6
      • 2.c4#
  • Tries
    • 1.Qc6?
      • threat
        • 2.Qe6#
      • 1...Kf5
        • 2.Qe6#
      • 1...Bxg2!
    • 1.Qc8?
      • threat
        • 2.Qe6#
      • 1...Kxd5
        • 2.Qe6#
      • 1...Bxg2!
    • 1.Qg8?
      • threat
        • 2.Qe6#
      • 1...Kf5
        • 2.Qe6#
      • 1...Bxg2!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qe6#
      • 1...Kxd5
        • 2.Qe6#
      • 1...Kf5
        • 2.Qe6#
      • 1...Bxg2
        • 2.Qd3#
      • 1...Bxa6
        • 2.c4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::B(A)+P(B)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAR2(G)
      • Vars
        • K(b);S_FLIGHT::QAB1(G)
      • Refutation
        • B(a);XP(C)
    • Try
      • Q(G);
      • Threat
        • QAR2(G)
      • Vars
        • K(b);S_FLIGHT,XS(E)::QAB1(G)
      • Refutation
        • B(a);XP(C)
    • Try
      • Q(G);
      • Threat
        • QAR2(G)
      • Vars
        • K(b);S_FLIGHT::QAB1(G)
      • Refutation
        • B(a);XP(C)
  • Actual
    • Q(G);
    • Threat
      • QAR2(G)
    • Vars
      • K(b);S_FLIGHT,XS(E)::QAB1(G)
      • K(b);S_FLIGHT::QAB1(G)
      • B(a);N_GUARD,XP(C)::QAB1(G)
      • B(a);N_GUARD,XQ(G)::B(A)+P(B)
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