MESON Chess Problem Database

Problem Display
PID: 46958 (2K2k2/2p4n/1b1PPrRn/4Q3/8/8/8/8 w - - 0 1)

Havel, Miroslav

Narodni listy, 1901

2K2k2/2p4n/1b1PPrRn/4Q3/8/8/8/8

#2

5 + 6

6024 Bohemian Garnets 1923
4312 Ceske Granaty 1975

SOLUTION

  • SOUND
  • Tries
    • 1.Qxf6+?
      • 1...Ke8
        • 2.Qe7#
        • 2.Qd8#
        • 2.d7#
      • 1...Sf7
        • 2.Qe7#
        • 2.Qxf7#
      • 1...Sxf6!
    • 1.e7+?
      • 1...Kf7
        • 2.e8Q#
      • 1...Ke8!
  • Keys
    • 1.d7!
      • threat
        • 2.d8Q#
      • 1...Ke7
        • 2.d8Q#
      • 1...Rxe6
        • 2.Qg7#
      • 1...Sf7
        • 2.e7#
      • 1...c5
        • 2.Qd6#
      • 1...c6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK,XR(b)
      • Refutation
        • S(e);XQ(A)
    • Try
      • P(C);CHECK
      • Vars
        • K(f);P-FLIGHT::P=Q
      • Refutation
        • K(f);P-FLIGHT
  • Actual
    • P(B);
    • Threat
      • P=Q
    • Vars
      • K(f);S_FLIGHT::P=Q
      • R(b);OGATE,XP(C)::QAB1(A)
      • S(c);SBLOCK::P(C)
      • P(d);N_GUARD::QAB(A)
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