MESON Chess Problem Database

Problem Display
PID: 234882 (5R2/1N1p2P1/K2Bk3/2R2p2/4n2q/8/2NnQ3/b4rrb w - - 0 1)

Haring, Jacobus

Skakbladet, 1934

5R2/1N1p2P1/K2Bk3/2R2p2/4n2q/8/2NnQ3/b4rrb

#2

8 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Sxd4#
    • 1...Be5
      • 2.Rxe5#
    • 1...Bg2
      • 2.g8Q#
      • 2.g8B#
    • 1...Sb1
      • 2.Qc4#
    • 1...Sb3
      • 2.Qc4#
    • 1...Sf3
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qd5#
      • 1...Sxc5+
        • 2.Sxc5#
      • 1...Sxd6
        • 2.Qxd6#
      • 1...Bd4
        • 2.Sxd4#
      • 1...Sf2
        • 2.Qxf5#
      • 1...Sc3
        • 2.Re5#
      • 1...Sg3
        • 2.g8Q#
        • 2.g8B#
      • 1...Sg5
        • 2.Sd8#
      • 1...Sf6
        • 2.Sd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 5
  • Sets
    • B(a);N_GUARD::S(A),XB(a)
    • B(a);N_GUARD,N_SPINS(f)::R1(C),XB(a)
    • B(d);S_CUTR(c)::P=Q
    • S(e);N_GUARD::QAB(B)
    • S(e);N_GUARD::QAB(B),XS(e)
  • Actual
    • Q(B);N_PINS(f)
    • Threat
      • QAB1(B)
    • Vars
      • S(f);CHECK,XR(C)::S(F),XS(f)
      • S(f);OGATE,XB(E)::QAR1(B),XS(f)
      • B(a);N_GUARD::S(A),XB(a)
      • S(f);OGATE::QAB1(B),XP(h)
      • S(f);S_CUTB(a)::R1(C)
      • S(f);S_CUTR(c)::P=Q
      • S(f);S_CUTQ(g)::S(F)
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Developed and maintained by Brian Stephenson.
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