MESON Chess Problem Database

Problem Display
PID: 256867 (8/8/K7/2k1bp2/1N1R2p1/2p5/p2N2p1/q1nQ4 w - - 0 1)

Ursic, Andrej Anton

Wiener Schachzeitung, 1903

(First published on Thu Jan 1 1903)

8/8/K7/2k1bp2/1N1R2p1/2p5/p2N2p1/q1nQ4

#2

5 + 9

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qg1#
    • 1...Bd6
      • 2.Rc4#
    • 1...Se2
      • 2.Sb3#
    • 1...Sb3
      • 2.Sxb3#
    • 1...Sd3
      • 2.Sb3#
    • 1...f4
      • 2.Se4#
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qc4#
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Qf2#
      • 1...Bxd4
        • 2.Qe7#
      • 1...Sxe2
        • 2.Sb3#
      • 1...Bh2
        • 2.Qc4#
      • 1...Bg3
        • 2.Qc4#
      • 1...Bf4
        • 2.Qc4#
      • 1...Bd6
        • 2.Rc4#
        • 2.Qc4#
      • 1...Bf6
        • 2.Qc4#
      • 1...Bc7
        • 2.Qc4#
      • 1...Bg7
        • 2.Qc4#
      • 1...Bb8
        • 2.Qc4#
      • 1...Bh8
        • 2.Qc4#
      • 1...Sd3
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 3
  • Sets
    • K(g);OGATEB,S_FLIGHT,XR(D)::QAB(A)
    • B(h);SBLOCK::R1(D)
    • S(b);N_GUARD::S(B)
    • S(b);N_GUARD::S(B),XS(b)
    • P(i);N_GUARD::S(B)
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(g);OGATEB,S_FLIGHT,XR(D)::QAB(A)
      • B(h);OGATE,SBLOCK,XR(D)::QAB(A)
      • S(b);N_GUARD,XQ(A)::S(B)
      • B(h);::QAR1(A)
      • S(b);N_GUARD::S(B)
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