MESON Chess Problem Database

Problem Display
PID: 69422 (1n4b1/Q7/2Rp1p2/1p1k4/3N1P2/5K1B/1b6/8 w - - 0 1)

Gjessing, Aage

Tidsskrift for Skak, 1895

1n4b1/Q7/2Rp1p2/1p1k4/3N1P2/5K1B/1b6/8

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Be6
      • 2.Bxe6#
    • 1...Bh7
      • 2.Be6#
  • Tries
    • 1.Qe7?
      • threat
        • 2.Qxd6#
        • 2.Qe4#
      • 1...Kxd4
        • 2.Qe4#
      • 1...Ba3
        • 2.Qe4#
      • 1...Be6
        • 2.Qxd6#
      • 1...Bh7
        • 2.Qxd6#
      • 1...f5
        • 2.Qxd6#
      • 1...Sxc6!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Se7#
      • 1...Ke6
        • 2.Rxd6#
      • 1...Sxc6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(g);N_GUARD::B(B),XB(g)
    • B(g);N_GUARD::B(B)
  • Tries
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);P-FLIGHT,XS(C)::QAR1(F)
        • B(a);::QAB1(F)
        • B(g);::QAR1(F),XP(d)
        • P(e);::QAR1(F),XP(d)
      • Refutation
        • S(f);XR(E)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(c);S_FLIGHT,XR(E)::S(C)
      • K(c);P_SPINP(d),S_FLIGHT::R1(E),XP(d)
      • S(f);SBLOCK,XR(E)::S(C)
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