MESON Chess Problem Database

Problem Display
PID: 150702 (4b2Q/B2N4/q1pK1p1r/1pp5/3k3r/bP2R1R1/7n/8 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Sachsische Zeitung, 0000

4b2Q/B2N4/q1pK1p1r/1pp5/3k3r/bP2R1R1/7n/8

#2

7 + 11

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Rd3#
    • 1...Rh7
      • 2.Qxf6#
    • 1...Bc1
      • 2.Bxc5#
    • 1...Bb2
      • 2.Bxc5#
    • 1...Bg6
      • 2.Qxf6#
    • 1...b4
      • 2.Bxc5#
  • Tries
    • 1.Sxf6?
      • threat
        • 2.Rd3#
      • 1...Rxf6+
        • 2.Qxf6#
      • 1...Bg6
        • 2.Sh7#
      • 1...b4
        • 2.Bxc5#
      • 1...Sf3!
  • Keys
    • 1.Sxc5!
      • threat
        • 2.Rd3#
      • 1...Bxc5+
        • 2.Bxc5#
      • 1...Bg6
        • 2.Qxf6#
      • 1...b4
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(d);SBLOCK::R1(B)
    • R(j);N_GUARD::QAB(G),XP(i)
    • B(b);N_GUARD::B(E),XP(f)
    • B(k);S_CUTR(j)::QAB(G),XP(i)
    • P(e);S_CUTB(b)::B(E),XP(f)
  • Tries
    • Try
      • S(F);P_SPINS(F),XP(i)
      • Threat
        • R1(B)
      • Vars
        • R(j);CHECK,OGATE,P_SPINR(j),XS(F)::QAB(G),XR(j)
        • B(k);N_PINS(F)::QAB(G)+S(F)
        • P(e);S_CUTB(b)::B(E),XP(f)
      • Refutation
        • S(a);
  • Actual
    • S(F);P_PINP(i),P_SPINS(F),XP(f)
    • Threat
      • R1(B)
    • Vars
      • B(b);CHECK,OGATE,P_SPINB(b),XS(F)::B(E),XB(b)
      • B(k);S_CUTR(j)::QAB(G),XP(i)
      • P(e);N_PINS(F)::B(E)+S(F),DCHECK
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