MESON Chess Problem Database

Problem Display
PID: 149558 (3n4/2b2Q2/K1N1qB2/7R/1Nk5/1pP5/1p6/8 w - - 0 1)

Albrecht, Hermann

1st Prize, Neue Leipziger Zeitung, 1936

(First published on Sun Feb 9 1936)

3n4/2b2Q2/K1N1qB2/7R/1Nk5/1pP5/1p6/8

#2

7 + 6

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Qxd5#
    • 1...Bd6
      • 2.Sa5#
    • 1...Sxc6
      • 2.Qxe6#
    • 1...Sb7
      • 2.Qxe6#
  • Keys
    • 1.Bd4!
      • threat
        • 2.Rc5#
      • 1...Qd5
        • 2.Qxd5#
        • 2.Qf1#
      • 1...Be5
        • 2.Qf1#
      • 1...Bb6
        • 2.Se5#
      • 1...Bd6
        • 2.Sa5#
      • 1...Sb7
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(d);N_PINS(E),OGATE::QAB1(G),XQ(d)
    • B(e);N_PINS(E)::S(E)
    • S(f);N_GUARD,XS(E)::QAB(G),XQ(d)
    • S(f);N_GUARD::QAB(G),XQ(d)
  • Actual
    • B(F);
    • Threat
      • R1(C)
    • Vars
      • B(e);::QAB(G)
      • B(e);N_PINS(E)::S(E)
      • S(f);N_GUARD::QAB(G),XQ(d)
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