MESON Chess Problem Database

Problem Display
PID: 243887 (B2N4/2BP2K1/4PN2/n1k1p1nR/P2R1p2/1pP4p/6bQ/8 w - - 0 1)

Fleck, Ferenc

Magyar Sakkvilag, 1938

B2N4/2BP2K1/4PN2/n1k1p1nR/P2R1p2/1pP4p/6bQ/8

#2

12 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc6
      • 2.Sb7#
    • 1...Sf3
      • 2.Se4#
    • 1...Se4
      • 2.Rxe5#
    • 1...Sxe6+
      • 2.Sxe6#
    • 1...f3
      • 2.Qxe5#
    • 1...e4
      • 2.Rxg5#
  • Tries
    • 1.Se4+?
      • 1...Sxe4
        • 2.Rxe5#
      • 1...Bxe4!
  • Keys
    • 1.Rb4!
      • threat
        • 2.Qg1#
      • 1...Sxe6+
        • 2.Sxe6#
      • 1...Sc4
        • 2.Rb5#
      • 1...Sc6
        • 2.Sb7#
      • 1...Sf3
        • 2.Se4#
      • 1...Se4
        • 2.Rxe5#
      • 1...f3
        • 2.Qxe5#
      • 1...e4
        • 2.Rxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD,SBLOCK,S_CUTB(a)::S(L)
    • S(h);N_GUARD,P_SPINP(g),S_CUTB(a)::S(G)
    • S(h);OGATE,P_SPINP(g)::R(E),XP(g)
    • S(h);CHECK,P_SPINP(g),XP(F)::S(L),XS(h)
    • P(d);OGATE::QAR2(A),XP(g)
    • P(g);OGATEB,P_SPINS(h)::R(E),XS(h)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • S(h);OGATE,P_SPINP(g),XS(G)::R(E),XP(g)
      • Refutation
        • B(a);XS(G)
  • Actual
    • R(D);
    • Threat
      • QAB(A)
    • Vars
      • S(h);CHECK,P_SPINP(g),XP(F)::S(L),XS(h)
      • S(e);SBLOCK::R1(D)
      • S(e);N_GUARD,SBLOCK,S_CUTB(a)::S(L)
      • S(h);N_GUARD,P_SPINP(g),S_CUTB(a)::S(G)
      • S(h);OGATE,P_SPINP(g)::R(E),XP(g)
      • P(d);OGATE::QAR2(A),XP(g)
      • P(g);OGATEB,P_SPINS(h)::R(E),XS(h)
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Developed and maintained by Brian Stephenson.
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