MESON Chess Problem Database

Problem Display
PID: 243888 (8/4B3/K4p2/3pkp2/Q3B3/2P3nr/1N1nNPP1/2b5 w - - 0 1)

Fleck, Ferenc

Nepszava, 1938

8/4B3/K4p2/3pkp2/Q3B3/2P3nr/1N1nNPP1/2b5

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qc6?
      • threat
        • 2.Qxd5#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Sdxe4
        • 2.Sd3#
      • 1...Sgxe4
        • 2.f4#
      • 1...dxe4
        • 2.Bxf6#
        • 2.Qd6#
      • 1...fxe4
        • 2.Qxf6#
      • 1...d4
        • 2.Sd3#
        • 2.Bxf6#
        • 2.Qd5#
        • 2.f4#
        • 2.cxd4#
      • 1...Sxe2!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qxd5#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Sdxe4
        • 2.Sd3#
      • 1...Sxe2
        • 2.Qxf5#
      • 1...Sgxe4
        • 2.f4#
      • 1...dxe4
        • 2.Qd6#
      • 1...fxe4
        • 2.Bd6#
      • 1...d4
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAR1(F),XP(e)
      • Vars
        • K(f);P-FLIGHT,P_SPINP(e),XB(G)::QAR2(F)
        • S(b);SBLOCK,XB(G)::S(A)
        • S(c);SBLOCK,XB(G)::P(C)
        • P(g);SBLOCK,XB(G)::QAB1(F),XP(h)
      • Refutation
        • S(c);XS(B)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F),XP(e)
    • Vars
      • K(f);P-FLIGHT,XB(G)::QAR2(F)
      • S(b);SBLOCK,XB(G)::S(A)
      • S(c);N_GUARD,XS(B)::QAR1(F),XP(g)
      • S(c);SBLOCK,XB(G)::P(C)
      • P(e);SBLOCK,XB(G)::QAB1(F)
      • P(g);SBLOCK,XB(G)::B(I)
      • P(e);::QAR1(F)
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