MESON Chess Problem Database

Problem Display
PID: 163495 (Q7/2K5/B7/R1PNPRN1/3k1P2/3n4/8/8 w - - 0 1)

Paslack, Rainer

idee & form, 1994

Q7/2K5/B7/R1PNPRN1/3k1P2/3n4/8/8

#2

10 + 2

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Ra4+?
      • 1...Kxc5
        • 2.Se4#
        • 2.Se6#
        • 2.Rc4#
        • 2.Qc6#
      • 1...Sb4!
    • 1.Qa7?
      • 1...Sxf4
        • 2.c6#
      • 1...Sxc5
        • 2.Qxc5#
      • 1...Sxe5
        • 2.c6#
      • 1...Sc1
        • 2.c6#
      • 1...Se1
        • 2.c6#
      • 1...Sb2
        • 2.c6#
      • 1...Sf2
        • 2.c6#
      • 1...Sb4
        • 2.c6#
      • 1...Kxd5!
    • 1.c6?
      • 1...Sxf4
        • 2.Qa7#
      • 1...Sxe5
        • 2.Qa7#
      • 1...Sc1
        • 2.Qa7#
      • 1...Se1
        • 2.Qa7#
      • 1...Sb2
        • 2.Qa7#
      • 1...Sf2
        • 2.Qa7#
      • 1...Sb4
        • 2.Qa7#
      • 1...Sc5!
    • 1.e6?
      • 1...Sxf4
        • 2.Qh8#
      • 1...Sxc5
        • 2.Qh8#
      • 1...Sc1
        • 2.Qh8#
      • 1...Se1
        • 2.Qh8#
      • 1...Sb2
        • 2.Qh8#
      • 1...Sf2
        • 2.Qh8#
      • 1...Sb4
        • 2.Qh8#
      • 1...Se5!
  • Keys
    • 1.Qh8!
      • 1...Kxd5
        • 2.Qd8#
      • 1...Sxf4
        • 2.e6#
      • 1...Sxc5
        • 2.e6#
      • 1...Sxe5
        • 2.Qxe5#
      • 1...Sc1
        • 2.e6#
      • 1...Se1
        • 2.e6#
      • 1...Sb2
        • 2.e6#
      • 1...Sf2
        • 2.e6#
      • 1...Sb4
        • 2.e6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • Q(J);
      • Vars
        • S(a);N_GUARD,XP(A)::QAB(J)+P(C)
        • S(a);OGATE,P_SPINS(a),XP(C)::QAB1(J),XS(a)
        • S(a);N_GUARD,XP(E)::QAB(J)+P(C)
        • S(a);N_GUARD::QAB(J)+P(C)
      • Refutation
        • K(b);P-FLIGHT,XS(D)
    • Try
      • P(C);
      • Vars
        • S(a);N_GUARD,XP(A)::QAB(J)
        • S(a);N_GUARD,XP(E)::QAB(J)
        • S(a);N_GUARD::QAB(J)
      • Refutation
        • S(a);
    • Try
      • P(E);
      • Vars
        • S(a);N_GUARD,XP(A)::QAB(J)
        • S(a);N_GUARD,XP(C)::QAB(J)
        • S(a);N_GUARD::QAB(J)
      • Refutation
        • S(a);
  • Actual
    • Q(J);
    • Vars
      • K(b);OGATEB,P-FLIGHT,XS(D)::QAR(J)
      • S(a);N_GUARD,XP(A)::QAB(J)+P(E)
      • S(a);N_GUARD,XP(C)::QAB(J)+P(E)
      • S(a);OGATE,P_SPINS(a),XP(E)::QAB1(J),XS(a)
      • S(a);N_GUARD::QAB(J)+P(E)
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