MESON Chess Problem Database

Problem Display
PID: 204608 (5k1K/5p1P/5Q2/8/1b2N3/8/4R3/2qr2r1 w - - 0 1)

Schlosser, Michael

Staudte, Rainer

Freie Presse, 2008

5k1K/5p1P/5Q2/8/1b2N3/8/4R3/2qr2r1

#2

5 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rde1
      • 2.Qd8#
    • 1...Rdf1
      • 2.Qd8#
    • 1...Rd8
      • 2.Qxd8#
    • 1...Rg8+
      • 2.hxg8Q#
      • 2.hxg8R#
    • 1...Bd2
      • 2.Qd8#
    • 1...Bd6
      • 2.Qd8#
  • Keys
    • 1.Sd6!
      • threat
        • 2.Re8#
        • 2.Qe7#
        • 2.Qd8#
        • 2.Qxf7#
      • 1...Rg8+
        • 2.hxg8Q#
        • 2.hxg8R#
      • 1...Rxd6
        • 2.Qe7#
      • 1...Bxd6
        • 2.Qd8#
      • 1...Qb2
        • 2.Re8#
      • 1...Qe3
        • 2.Qxf7#
      • 1...Qf4
        • 2.Re8#
        • 2.Qe7#
        • 2.Qd8#
      • 1...Qg5
        • 2.Re8#
        • 2.Qxf7#
      • 1...Qa1
        • 2.Re8#
      • 1...Qc3
        • 2.Re8#
      • 1...Qc4
        • 2.Re8#
        • 2.Qe7#
        • 2.Qd8#
      • 1...Qc6
        • 2.Qe7#
        • 2.Qxf7#
      • 1...Qc7
        • 2.Re8#
      • 1...Qc8
        • 2.Qe7#
        • 2.Qxf7#
      • 1...Rde1
        • 2.Qe7#
        • 2.Qd8#
        • 2.Qxf7#
      • 1...Rdf1
        • 2.Re8#
        • 2.Qe7#
        • 2.Qd8#
      • 1...Rge1
        • 2.Qe7#
        • 2.Qg7#
        • 2.Qd8#
        • 2.Qxf7#
      • 1...Rgf1
        • 2.Re8#
        • 2.Qe7#
        • 2.Qg7#
        • 2.Qd8#
      • 1...Rg7
        • 2.Re8#
        • 2.Qe7#
        • 2.Qxg7#
        • 2.Qd8#
      • 1...Bc3
        • 2.Re8#
      • 1...Ba5
        • 2.Re8#
        • 2.Qe7#
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 4
  • Sets
    • R(b);N_GUARD::QAR2(C)
    • R(b);N_GUARD::QAR2(C),XR(b)
    • R(c);CHECK,OGATE::PXR(c)=Q
    • B(d);S_CUTR(b)::QAR2(C)
  • Actual
    • S(B);
    • Threat
      • DUALS(4)
    • Vars
      • R(c);CHECK,OGATE::PXR(c)=Q
      • R(b);XS(B)::QAB1(C)
      • B(d);XS(B)::QAR2(C)
      • Q(a);P_PINQ(C)::R1(A)
      • Q(a);::QAR1(C),XP(e)
      • Q(a);::R1(A)
      • B(d);P_PINQ(C)::R1(A)
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