MESON Chess Problem Database

Problem Display
PID: 4654 (8/b7/1B3nK1/4pN2/5kp1/8/3P4/5n1Q w - - 0 1)

Drtina, Jan

Palaczek, 1884

(First published on Tue Oct 14 1884)

8/b7/1B3nK1/4pN2/5kp1/8/3P4/5n1Q

#2

5 + 6

546 International Chess Magazine 1885
14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.dxe3#
    • 1...e4
      • 2.Bc7#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Se2#
      • 1...Kg3
        • 2.Se2#
      • 1...exd4
        • 2.Bc7#
      • 1...e4
        • 2.Bc7#
      • 1...Sg3
        • 2.Se6#
      • 1...g3
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(a);OGATE::P(B),XS(a)
    • P(d);OGATEB::B(D)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(b);S_FLIGHT::S(C)
      • P(d);OGATEB,XS(C)::B(D)
      • P(d);OGATEB::B(D)
      • S(a);SBLOCK::S(C)
      • P(c);N_GUARD::QAR1(A)
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