MESON Chess Problem Database

Problem Display
PID: 121269 (2n1Q1nr/1p5B/1p6/8/1Pk2pN1/2B5/1K2P3/8 w - - 0 1)

Maximov, Nikolai J

Deutsche Schachzeitung, 1905

2n1Q1nr/1p5B/1p6/8/1Pk2pN1/2B5/1K2P3/8

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Se3#
    • 1...b5
      • 2.Qf7#
      • 2.Qe4#
      • 2.Qe6#
  • Tries
    • 1.Qd7?
      • threat
        • 2.Se5#
        • 2.Bd3#
        • 2.Qd3#
      • 1...Rxh7
        • 2.Se5#
        • 2.Qd3#
      • 1...Sd6!
  • Keys
    • 1.e4!
      • threat
        • 2.Se5#
      • 1...Kd3
        • 2.Qb5#
      • 1...fxe4 ep
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(b);N_GUARD::S(E)
  • Tries
    • Try
      • Q(G);
      • Threat
        • DUALS(3)
      • Refutation
        • S(e);
  • Actual
    • P(B);
    • Threat
      • S(E)
    • Vars
      • K(a);S_FLIGHT::QAB(G)
      • P(b);EP,N_GUARD,XP(B)::S(E),XP(b)
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