MESON Chess Problem Database

Problem Display
PID: 273184 (6B1/2p5/2K2nR1/2BPkp2/pR2P3/N5P1/2bP1n2/2r3b1 w - - 0 1)

Brummelman, Derk Hendrikus (AKA Bruma, DH)

Probleemblad, 1952

6B1/2p5/2K2nR1/2BPkp2/pR2P3/N5P1/2bP1n2/2r3b1

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4
      • 2.d4#
    • 1...S2xe4
      • 2.Sc4#
    • 1...S6xe4
      • 2.Sc4#
      • 2.Bd4#
      • 2.Re6#
      • 2.d4#
    • 1...Sg4
      • 2.Re6#
    • 1...Sxd5
      • 2.Re6#
    • 1...Sh5
      • 2.Re6#
    • 1...Sd7
      • 2.Re6#
    • 1...Sh7
      • 2.Re6#
    • 1...Se8
      • 2.Re6#
    • 1...Sxg8
      • 2.Re6#
    • 1...fxe4
      • 2.Rg5#
    • 1...f4
      • 2.Rg5#
  • Tries
    • 1.Rxf6?
      • threat
        • 2.Rxf5#
        • 2.Re6#
      • 1...Bxe4
        • 2.Re6#
      • 1...Sxe4
        • 2.Re6#
      • 1...fxe4
        • 2.Bd4#
      • 1...f4
        • 2.Rf5#
        • 2.Re6#
      • 1...Kxf6!
  • Keys
    • 1.Rg5!
      • threat
        • 2.Rxf5#
      • 1...Bxe4
        • 2.d4#
      • 1...S2xe4
        • 2.Sc4#
      • 1...S6xe4
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 9
  • Sets
    • B(c);P_PINB(F),P_PINP(G),SBLOCK,XP(E)::P(A)
    • S(d);SBLOCK,XP(E)::S(B)
    • S(h);OGATE::R1(I)
    • S(h);OGATE,XP(G)::R1(I)
    • S(h);OGATE,XB(J)::R1(I)
    • P(g);OGATEB,XP(E)::R(I)
    • P(g);OGATEB::R(I)
  • Tries
    • Try
      • R(I);XS(h)
      • Threat
        • DUALS(2)
      • Vars
        • B(c);P_PINB(F),P_PINP(G),XP(E)::R1(I)
        • S(d);XP(E)::R1(I)
        • P(g);SBLOCK,XP(E)::B(F)
      • Refutation
        • K(f);S_FLIGHT,XR(I)
  • Actual
    • R(I);P_PINP(g)
    • Threat
      • R1(I),XP(g)
    • Vars
      • B(c);P_PINB(F),P_PINP(G),SBLOCK,XP(E)::P(A)
      • S(d);SBLOCK,XP(E)::S(B)
      • S(h);SBLOCK,XP(E)::B(F)
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