MESON Chess Problem Database

Problem Display
PID: 119976 (8/Q6N/1B1n4/8/2P1k1P1/8/4P2K/8 w - - 0 1)

Kuneticky, Otokar

Armeeblatt, 1904

8/Q6N/1B1n4/8/2P1k1P1/8/4P2K/8

#2

7 + 2

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Be3?
      • threat
        • 2.Qd4#
        • 2.Qe7#
      • 1...Ke5
        • 2.Qe7#
      • 1...Sxc4
        • 2.Qd4#
      • 1...Sb5
        • 2.Qe7#
      • 1...Sb7
        • 2.Qd4#
      • 1...Sf7
        • 2.Qd4#
      • 1...Sc8
        • 2.Qd4#
      • 1...Sf5!
  • Keys
    • 1.Bc7!
      • 1...Kf4
        • 2.Qd4#
      • 1...Ke5
        • 2.Qe3#
      • 1...Sxc4
        • 2.Sf6#
      • 1...Sb5
        • 2.Sg5#
        • 2.Sf6#
      • 1...Sf5
        • 2.Sg5#
        • 2.Sf6#
      • 1...Sb7
        • 2.Sg5#
        • 2.Sf6#
      • 1...Sf7
        • 2.Sf6#
      • 1...Sc8
        • 2.Sg5#
        • 2.Sf6#
      • 1...Se8
        • 2.Sg5#

This anticipates 106577(1992)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR2(F)
        • S(b);XP(C)::QAR1(F)
        • S(b);::QAR(F)
        • S(b);::QAR1(F)
      • Refutation
        • S(b);
  • Actual
    • B(E);
    • Vars
      • K(a);P-FLIGHT,P_SPINS(b)::QAR2(F)
      • S(b);XP(C)::S(G)
      • S(b);::S(G)
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