MESON Chess Problem Database

Problem Display
PID: 6888 (6B1/3R1q2/8/K1NP3b/P1k2P1Q/pNP3bR/2P2P2/4B3 w - - 0 1)

Fleck, Ferenc

3rd Prize, Nepszava, 1934

6B1/3R1q2/8/K1NP3b/P1k2P1Q/pNP3bR/2P2P2/4B3

#2

14 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Bxd5#
  • Tries
    • 1.Qf6?
      • threat
        • 2.Qd4#
        • 2.Qa6#
      • 1...Qxd7
        • 2.Qd4#
      • 1...Bxf2
        • 2.Qa6#
      • 1...Qe6
        • 2.Qd4#
      • 1...Qg6
        • 2.Qd4#
      • 1...Qg7
        • 2.Qa6#
      • 1...Qxf6!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sbd2#
      • 1...Qxd5+
        • 2.Bxd5#
      • 1...Qxf4
        • 2.Sd6#
      • 1...Bxf4
        • 2.Sed2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(e);OGATE,P_PINS(K),P_SPINQ(e),XP(L)::B(N),XQ(e)
  • Tries
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • Q(e);XR(M)::QAR1(I)
        • B(b);XP(C)::QAB(I)
        • Q(e);::QAR1(I)
        • Q(e);::QAB(I)
      • Refutation
        • Q(e);XQ(I)
  • Actual
    • S(K);
    • Threat
      • S(D)
    • Vars
      • Q(e);CHECK,OGATE,P_SPINQ(e),XP(L)::B(N),XQ(e)
      • Q(e);XP(H)::S(K)
      • B(b);XP(H)::S(K)
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