MESON Chess Problem Database

Problem Display
PID: 246402 (2n5/2N5/2r5/B1knQ3/2p5/2R2b2/2N2K2/8 w - - 0 1)

Hjelle, David

Sjakk-Nytt, 1947

2n5/2N5/2r5/B1knQ3/2p5/2R2b2/2N2K2/8

#2

6 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Qxd5#
    • 1...Be2
      • 2.Qxd5#
    • 1...Bg4
      • 2.Qxd5#
    • 1...Bh5
      • 2.Qxd5#
    • 1...Sb6
      • 2.Bb4#
    • 1...Sd6
      • 2.Qd4#
  • Keys
    • 1.Sa3!
      • threat
        • 2.Rxc4#
      • 1...Be2
        • 2.Qxd5#
      • 1...Sb6
        • 2.Sa6#
      • 1...Sd6
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::QAR1(E),XS(d)
    • S(f);SBLOCK::B(D)
    • S(f);SBLOCK::QAB1(E)
  • Actual
    • S(A);
    • Threat
      • R1(C),XP(b)
    • Vars
      • B(a);N_GUARD::QAR1(E),XS(d)
      • S(f);S_CUTR(e)::S(F)
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