MESON Chess Problem Database

Problem Display
PID: 180768 (5K2/1Pn5/bPpkp3/2rPN3/qPp5/3Q4/B7/B7 w - - 0 1)

Binder, Friedrich

Phenix, 1991

5K2/1Pn5/bPpkp3/2rPN3/qPp5/3Q4/B7/B7

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd5
      • 2.b8Q#
      • 2.b8B#
  • Tries
    • 1.b8Q?
      • threat
        • 2.Qxc7#
        • 2.Qd8#
      • 1...exd5
        • 2.Qg6#
      • 1...c3
        • 2.Qxc7#
      • 1...Bc8
        • 2.Qxc7#
      • 1...cxd5!
    • 1.b8B?
      • threat
        • 2.Bxc7#
      • 1...exd5
        • 2.Qg6#
      • 1...cxd5!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qd7#
      • 1...Kxd5
        • 2.Qd3#
      • 1...cxd5
        • 2.Qe7#
      • 1...c3
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(h);P_SPINS(h),XP(E)::P=Q
  • Tries
    • Try
      • P(H);P_PINS(h)
      • Threat
        • DUALS(2)
      • Vars
        • P(g);OGATEB,P_SPINP(g),SBLOCK,XP(E)::QAR(C)
        • P(b);::QAB1(H),XS(h)
        • B(d);::QAB1(H),XS(h)
      • Refutation
        • P(e);P_SPINP(e),XP(E)
    • Try
      • P(H);P_PINS(h)
      • Threat
        • B(H),XS(h)
      • Vars
        • P(g);OGATEB,P_SPINP(g),SBLOCK,XP(E)::QAR(C)
      • Refutation
        • P(e);P_SPINP(e),XP(E)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(f);OGATEB,P-FLIGHT,P_SPINP(b),XP(E)::QAR2(C)
      • P(e);SBLOCK,XP(E)::QAB1(C)
      • P(b);::QAB1(C),XS(h)
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Developed and maintained by Brian Stephenson.
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