MESON Chess Problem Database

Problem Display
PID: 8091 (B7/1r6/p1n1N2b/1P1k1P1Q/2N3PB/3P4/8/5K2 w - - 0 1)

von Alvensleben, Wichard Udo Reinhard

2nd Comm., Die Schwalbe, 1995

B7/1r6/p1n1N2b/1P1k1P1Q/2N3PB/3P4/8/5K2

#2

10 + 5

23 Die Schwalbe 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Ra7
      • 2.Bxc6#
    • 1...Rd7
      • 2.Bxc6#
    • 1...Re7
      • 2.Bxc6#
    • 1...Rf7
      • 2.Bxc6#
    • 1...Rg7
      • 2.Bxc6#
    • 1...Rh7
      • 2.Bxc6#
    • 1...Rb8
      • 2.Bxc6#
  • Tries
    • 1.Bf2?
      • threat
        • 2.Qh1#
      • 1...Se5
        • 2.Sc7#
      • 1...Sd4!
    • 1.Bg3?
      • threat
        • 2.Qh1#
      • 1...Sd4
        • 2.Sb6#
      • 1...Se5!
  • Keys
    • 1.Be7!
      • threat
        • 2.Qh1#
      • 1...Sd4
        • 2.Sc7#
      • 1...Se5
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(e);OGATE,P_SPINS(c)::B(J),XS(c)
    • R(e);OGATE,P_PINP(G),P_SPINS(c)::B(J),XS(c)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAB(H)
      • Vars
        • S(c);P_SPINR(e)::S(I)
      • Refutation
        • S(c);P_SPINR(e)
    • Try
      • B(E);
      • Threat
        • QAB(H)
      • Vars
        • S(c);P_SPINR(e)::S(C)
      • Refutation
        • S(c);P_SPINR(e)
  • Actual
    • B(E);
    • Threat
      • QAB(H)
    • Vars
      • S(c);P_SPINR(e),SBLOCK::S(I)
      • S(c);P_SPINR(e),SBLOCK::S(C)
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