MESON Chess Problem Database

Problem Display
PID: 161983 (7Q/4p3/K2npn1N/4k1B1/2P1P2r/2P5/4RP2/1b2N2q w - - 0 1)

Dujardin, Paul

Scacchi e Scienze Applicate, 1992

7Q/4p3/K2npn1N/4k1B1/2P1P2r/2P5/4RP2/1b2N2q

#2

10 + 8

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qf3
      • 2.Sxf3#
    • 1...Qxe4
      • 2.Sf3#
    • 1...Qf1
      • 2.Sf3#
    • 1...Qg1
      • 2.Sf3#
    • 1...Qh2
      • 2.Sf3#
    • 1...Rh2
      • 2.Sg4#
      • 2.f4#
    • 1...Rh3
      • 2.Sg4#
      • 2.f4#
    • 1...Rxe4
      • 2.f4#
    • 1...Rg4
      • 2.Sxg4#
    • 1...Rh5
      • 2.Sg4#
      • 2.f4#
    • 1...Rxh6
      • 2.f4#
    • 1...Ba2
      • 2.Sd3#
    • 1...Bd3
      • 2.Sxd3#
    • 1...Bxe4
      • 2.Sd3#
    • 1...Sxc4
      • 2.Sf7#
    • 1...Sxe4
      • 2.Qb8#
    • 1...Sb5
      • 2.Sf7#
    • 1...Sf5
      • 2.Sf7#
    • 1...Sb7
      • 2.Sf7#
    • 1...Sf7
      • 2.Sxf7#
    • 1...Sc8
      • 2.Sf7#
    • 1...Se8
      • 2.Sf7#
  • Keys
    • 1.Qb8!
      • threat
        • 2.Sf7#
      • 1...Qxe4
        • 2.Sf3#
      • 1...Rxe4
        • 2.f4#
      • 1...Rxh6
        • 2.f4#
      • 1...Bxe4
        • 2.Sd3#
      • 1...Sxe4
        • 2.Qh8#

There are these versions: 161984

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 15
  • Sets
    • Q(b);N_GUARD::S(A),XQ(b)
    • Q(b);N_GUARD,P_SPINQ(b),XP(F)::S(A)
    • Q(b);N_GUARD::S(A)
    • R(c);N_GUARD,P_SPINR(c),XP(F)::P(C)
    • R(c);N_GUARD::S(I),XR(c)
    • R(c);N_GUARD,XS(I)::P(C)
    • B(a);N_GUARD::S(A)
    • B(a);N_GUARD,P_PINP(E)::S(A),XB(a)
    • B(a);N_GUARD,P_SPINB(a),XP(F)::S(A)
    • S(e);N_GUARD,XP(E)::S(I)
    • S(e);N_SPINS(g),OGATEB,P_SPINS(e),XP(F)::QAB(J)
    • S(e);N_GUARD::S(I)
    • S(e);N_GUARD::S(I),XS(e)
  • Actual
    • Q(J);N_PINS(g),P_PINS(e)
    • Threat
      • S(I)
    • Vars
      • Q(b);N_GUARD,P_SPINQ(b),XP(F)::S(A)
      • R(c);N_GUARD,P_SPINR(c),XP(F)::P(C)
      • R(c);N_GUARD,XS(I)::P(C)
      • B(a);N_GUARD,P_SPINB(a),XP(F)::S(A)
      • S(g);N_SPINS(e),OGATEB,P_SPINS(g),XP(F)::QAB(J)
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