MESON Chess Problem Database

Problem Display
PID: 121561 (7K/2n3n1/4p2p/2B1k3/1N5N/3P4/2p2P2/b1Q5 w - - 0 1)

Pradignat, Emile Leonard

La Strategie, 1897

7K/2n3n1/4p2p/2B1k3/1N5N/3P4/2p2P2/b1Q5

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kxg7?
      • threat
        • 2.Qe3#
        • 2.f4#
      • 1...Bd4
        • 2.f4#
      • 1...Sd5
        • 2.Sc6#
      • 1...Se8+!
    • 1.Qg5+?
      • 1...Sf5
        • 2.Sf3#
        • 2.Sg6#
        • 2.f4#
      • 1...hxg5!
  • Keys
    • 1.Be7!
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Qxa1#
      • 1...Bd4
        • 2.f4#
      • 1...Sd5
        • 2.Sc6#
      • 1...Sf5
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(G);S_FLIGHT,XS(g)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::P(B)
        • S(f);SBLOCK::S(D)
      • Refutation
        • S(f);CHECK
    • Try
      • Q(A);CHECK
      • Refutation
        • P(e);XQ(A)
  • Actual
    • B(F);
    • Threat
      • QAR2(A)
    • Vars
      • K(c);S_FLIGHT::QAB(A),XB(a)
      • B(a);SBLOCK::P(B)
      • S(f);SBLOCK::S(D)
      • S(g);SBLOCK::S(E)
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