MESON Chess Problem Database

Problem Display
PID: 234893 (5B2/1Q2q3/6K1/PNkBp1b1/3ppN2/5r2/2b1r3/2R5 w - - 0 1)

Haring, Jacobus

Deutsche Schachzeitung, 1957

5B2/1Q2q3/6K1/PNkBp1b1/3ppN2/5r2/2b1r3/2R5

#2

8 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6+
      • 2.Bxd6#
    • 1...Bxf4
      • 2.Bxe7#
    • 1...Bh6
      • 2.Bxe7#
    • 1...e3+
      • 2.Sd3#
  • Keys
    • 1.Sc3!
      • threat
        • 2.Qb6#
      • 1...Qd6+
        • 2.Se6#
      • 1...e3+
        • 2.Se4#
      • 1...Kd6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • Q(i);CHECK,OGATE::B(H),XQ(i)
    • B(h);N_GUARD,XS(B)::B(H),XQ(i)
    • B(h);N_GUARD::B(H),XQ(i)
    • P(e);CHECK,N_GUARD,S_CUTR(c)::S(B)
  • Actual
    • S(D);N_PINB(a)
    • Threat
      • QAB1(G)
    • Vars
      • Q(i);CHECK::S(B)
      • P(e);CHECK,S_CUTR(b)::S(D)
      • K(f);S_FLIGHT::QAR1(G)
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