MESON Chess Problem Database

Problem Display
PID: 198661 (5nr1/8/8/1K2Q1P1/2R3Pk/6N1/6pr/4b1N1 w - - 0 1)

Nemo, Ottmar (Weiss, Ottmar)

6th HM., Teplitz-Schonauer Anzeiger, 1921

5nr1/8/8/1K2Q1P1/2R3Pk/6N1/6pr/4b1N1

#2

7 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rh3
      • 2.Sf3#
  • Tries
    • 1.Qf6?
      • threat
        • 2.Sf5#
      • 1...Bxg3
        • 2.Qh6#
        • 2.g6#
      • 1...Kxg3!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Sf5#
      • 1...Kxg3
        • 2.Qxe1#
      • 1...Bxg3
        • 2.g6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(c);SBLOCK::S(A)
  • Tries
    • Try
      • Q(F);
      • Threat
        • S(B)
      • Refutation
        • K(d);S_FLIGHT,XS(B)
  • Actual
    • Q(F);
    • Threat
      • S(B)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(B)::QAB(F),XB(a)
      • B(a);SBLOCK,XS(B)::QAB(F)+P(G)
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