MESON Chess Problem Database

Problem Display
PID: 241394 (4B2K/4p1B1/4rp2/3P1kPp/2P3nr/4pNR1/4N3/7Q w - - 0 1)

Hjelle, David

Parallele 50, 1948

4B2K/4p1B1/4rp2/3P1kPp/2P3nr/4pNR1/4N3/7Q

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qb1#
    • 1...Ra6
      • 2.Qb1#
    • 1...Rc6
      • 2.Qb1#
    • 1...Rd6
      • 2.Qb1#
    • 1...Se5
      • 2.Sxh4#
    • 1...fxg5
      • 2.Sfd4#
  • Keys
    • 1.Kh7!
      • threat
        • 2.Bg6#
      • 1...Ke4
        • 2.Qb1#
      • 1...fxg5
        • 2.Sfd4#
      • 1...Se5
        • 2.Sxh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • K(d);S_FLIGHT::QAB(A)
    • R(f);N_GUARD::QAB(A)
    • S(b);SBLOCK::S(C),XR(c)
    • P(g);SBLOCK,XP(G)::S(C)
  • Actual
    • K(J);P-FLIGHT
    • Threat
      • B(I)
    • Vars
      • K(d);S_FLIGHT::QAB(A)
      • P(g);SBLOCK,XP(G)::S(C)
      • S(b);SBLOCK::S(C),XR(c)
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