MESON Chess Problem Database

Problem Display
PID: 218299 (6q1/pp3Q2/1p5r/1P2kn1N/KR2N1Pn/B3pPb1/B7/3r4 w - - 0 1)

Reichling, Gerd

Deutsche Schachzeitung, 1981

6q1/pp3Q2/1p5r/1P2kn1N/KR2N1Pn/B3pPb1/B7/3r4

#2

10 + 11

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rf6
      • 2.Qxf6#
    • 1...Rh7
      • 2.Qf6#
    • 1...Rh8
      • 2.Qf6#
    • 1...Be1
      • 2.f4#
    • 1...Bf2
      • 2.f4#
    • 1...Sg2
      • 2.Qxf5#
    • 1...Sxf3
      • 2.Qxf5#
    • 1...Sg6
      • 2.Qxf5#
      • 2.Qf6#
  • Tries
    • 1.Sef6?
      • threat
        • 2.Re4#
      • 1...Kd6
        • 2.Re4#
      • 1...Qxg4
        • 2.Qe6#
      • 1...Sd4
        • 2.Qc7#
      • 1...Sd6
        • 2.Sd7#
      • 1...Rd4!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Re4#
      • 1...Kd6
        • 2.Re4#
      • 1...Qxg4
        • 2.Qd5#
      • 1...Sd4
        • 2.Sc4#
      • 1...Sd6
        • 2.Bb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • R(h);N_GUARD::QAB1(J),XR(h)
    • R(h);N_GUARD::QAB1(J)
    • B(c);N_GUARD::P(C)
    • S(d);N_GUARD::QAR1(J),XS(f)
    • S(d);N_GUARD,XP(C)::QAR1(J),XS(f)
  • Tries
    • Try
      • S(F);
      • Threat
        • R1(E)
      • Vars
        • K(e);S_FLIGHT::B(B)+R(E)
        • Q(k);N_GUARD,P_PINR(E),XP(G)::QAR1(J)
        • S(f);N_GUARD,S_CUTR(a)::QAB(J)
        • S(f);SBLOCK,S_CUTR(a)::S(F)
      • Refutation
        • R(a);P_PINR(E)
  • Actual
    • S(F);
    • Threat
      • R1(E)
    • Vars
      • K(e);S_FLIGHT::B(B)+R(E)
      • Q(k);N_GUARD,P_PINR(E),XP(G)::QAR1(J)
      • S(f);SBLOCK::S(F)
      • S(f);N_GUARD,SBLOCK::B(B)
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