MESON Chess Problem Database

Problem Display
PID: 6478 (QB2N2b/4p2r/1KP3Rp/2Nk2nR/2br4/2P2n2/8/1B6 w - - 0 1)

Schiffmann, Israel Abraham

Tijdschrift vd NSB, 1929

QB2N2b/4p2r/1KP3Rp/2Nk2nR/2br4/2P2n2/8/1B6

#2

10 + 9

1397 Faszinierendes Schachproblem 1963

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Be4#
    • 1...Rd2
      • 2.Be4#
    • 1...Re4
      • 2.Bxe4#
    • 1...Be5
      • 2.c7#
    • 1...Se5
      • 2.Sc7#
    • 1...e5
      • 2.Rd6#
      • 2.c7#
  • Tries
    • 1.Rd6+?
      • 1...Ke5
        • 2.Rxd4#
      • 1...exd6!
  • Keys
    • 1.Bf5!
      • threat
        • 2.Be6#
      • 1...Re4
        • 2.Bxe4#
      • 1...Be5
        • 2.c7#
      • 1...Se5
        • 2.Sc7#
      • 1...Se6
        • 2.Be4#
        • 2.Bxe6#
      • 1...e5
        • 2.Rd6#
        • 2.c7#
      • 1...e6
        • 2.Bxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD::B(A)
    • R(c);N_GUARD::B(A),XR(c)
    • B(i);N_SPINS(e),SBLOCK::QAB(H)+P(F)
    • S(a);N_SPINS(e),SBLOCK::S(J)
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • K(d);OGATE,P-FLIGHT::B(I)+R(G),XR(c)
      • Refutation
        • P(g);XR(G)
  • Actual
    • B(A);N_PINS(e)
    • Threat
      • B(A)
    • Vars
      • R(c);N_GUARD::B(A),XR(c)
      • B(i);SBLOCK::QAB(H)+P(F)
      • S(a);SBLOCK::S(J)
      • P(g);::B(A),XP(g)
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Developed and maintained by Brian Stephenson.
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