MESON Chess Problem Database

Problem Display
PID: 99123 (n2bR3/6B1/2p1P1B1/qrpk3P/pp2NP1r/3N1P2/b6p/2Q4K w - - 0 1)

Fleck, Ferenc

Magyar Sakkelet, 1979

n2bR3/6B1/2p1P1B1/qrpk3P/pp2NP1r/3N1P2/b6p/2Q4K

#2

11 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf4
      • 2.Sxf4#
  • Tries
    • 1.Se5?
      • threat
        • 2.Qd2#
        • 2.Qd1#
      • 1...Kd4
        • 2.Qd2#
      • 1...Bb1
        • 2.Qc4#
      • 1...Bb3
        • 2.Qd2#
      • 1...Bc4
        • 2.Qxc4#
      • 1...b3
        • 2.Qc4#
      • 1...Be7!
  • Keys
    • 1.e7!
      • threat
        • 2.Bf7#
      • 1...Ke6
        • 2.exd8Q#
        • 2.exd8R#
      • 1...Rxf4
        • 2.Sxf4#
      • 1...Sc7
        • 2.exd8Q#
        • 2.exd8R#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(e);XP(F)::S(C),XR(e)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(i);P-FLIGHT::QAR2(A)
        • B(a);N_GUARD::QAB1(A)
        • B(a);::QAR(A)
        • B(a);N_GUARD::QAB1(A),XB(a)
        • P(d);S_CUTB(a)::QAB1(A)
      • Refutation
        • B(l);
  • Actual
    • P(H);
    • Threat
      • B(I)
    • Vars
      • K(i);S_FLIGHT::PXB(l)=Q
      • R(e);XP(F)::S(C),XR(e)
      • S(k);S_CUTQ(f)::PXB(l)=Q
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