MESON Chess Problem Database

Problem Display
PID: 208228 (1K3N1Q/3p4/1BkP4/1pPp1p2/b4P2/7p/7P/8 w - - 0 1)

Hoffmann, Klaus Peter

Badische Neueste Nachrichten, 1997

1K3N1Q/3p4/1BkP4/1pPp1p2/b4P2/7p/7P/8

#2

8 + 7

15148 Sadier Collection 2020
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Se6?
      • threat
        • 2.Sd4#
        • 2.Sd8#
        • 2.Qc8#
      • 1...dxe6
        • 2.Qc8#
        • 2.Qe8#
      • 1...b4
        • 2.Sd4#
      • 1...d4!
    • 1.Sg6?
      • threat
        • 2.Se5#
        • 2.Se7#
        • 2.Qc8#
      • 1...d4
        • 2.Se7#
      • 1...b4!
  • Keys
    • 1.Qa1!
      • 1...b4
        • 2.Qxa4#
      • 1...d4
        • 2.Qh1#
      • 1...Bd1
        • 2.Qa8#
      • 1...Bc2
        • 2.Qa8#
      • 1...Bb3
        • 2.Qa8#

Anticipated by 207982(1980)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • DUALS(3)
      • Vars
        • P(c);::S(G)
      • Refutation
        • P(d);
    • Try
      • S(G);
      • Threat
        • DUALS(3)
      • Vars
        • P(d);::S(G)
      • Refutation
        • P(c);
  • Actual
    • Q(H);
    • Vars
      • P(c);OGATEB::QAB(H),XB(b)
      • P(d);OGATEB::QAB(H)
      • B(b);OGATE::QAB(H)
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