MESON Chess Problem Database

Problem Display
PID: 258121 (3r4/8/5n2/2N1Qp2/2k2n1r/8/3p4/1R1K2B1 w - - 0 1)

Utech, Johannes

Berliner Morgenpost, 1936

(First published on Sun Feb 9 1936)

3r4/8/5n2/2N1Qp2/2k2n1r/8/3p4/1R1K2B1

#2

5 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qxd4#
    • 1...Ra8
      • 2.Qd4#
    • 1...Rb8
      • 2.Qd4#
    • 1...Rc8
      • 2.Qd4#
    • 1...Re8
      • 2.Qd4#
    • 1...Rf8
      • 2.Qd4#
    • 1...Rg8
      • 2.Qd4#
    • 1...Rh8
      • 2.Qd4#
    • 1...Sd5
      • 2.Qd4#
    • 1...Sd7
      • 2.Qd4#
  • Keys
    • 1.Sa4!
      • threat
        • 2.Qb5#
      • 1...Kd3
        • 2.Sb2#
      • 1...Rd5
        • 2.Qc3#
      • 1...Rb8
        • 2.Qd4#
      • 1...S4d5
        • 2.Qe2#
      • 1...S6d5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • R(g);N_GUARD::QAR1(E),XR(g)
    • R(g);N_GUARD::QAR1(E)
    • S(f);S_CUTR(g)::QAR1(E)
  • Actual
    • S(D);
    • Threat
      • QAB1(E)
    • Vars
      • K(b);N_GUARD,S_FLIGHT::S(D)
      • R(g);SBLOCK::QAR1(E)
      • R(g);N_GUARD::QAR1(E)
      • S(c);N_GUARD,SBLOCK,S_CUTR(g)::QAB(E)
      • S(f);S_CUTR(g)::QAR1(E)
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