MESON Chess Problem Database

Problem Display
PID: 135162 (4NK1n/3p3b/3P2k1/3Q1p2/4p3/R2p4/7N/2B4R w - - 0 1)

Ernst, Erich

Badische Neueste Nachrichten, 1999

4NK1n/3p3b/3P2k1/3Q1p2/4p3/R2p4/7N/2B4R

#2

8 + 7

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Sf7
      • 2.Qxf7#
  • Tries
    • 1.Qe6+?
      • 1...Kh5
        • 2.Qh6#
      • 1...dxe6!
    • 1.Qg8+?
      • 1...Kh5
        • 2.Sf1#
        • 2.Sf3#
        • 2.Sg4#
        • 2.Qxh7#
        • 2.Qg5#
      • 1...Bxg8!
  • Keys
    • 1.Sf1!
      • threat
        • 2.Rh6#
      • 1...d2
        • 2.Rg3#
      • 1...e3
        • 2.Qg2#
      • 1...Sf7
        • 2.Qxf7#
      • 1...f4
        • 2.Qh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(g);N_GUARD::QAB1(E),XS(g)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::QAR1(E)
      • Refutation
        • P(e);XQ(E)
    • Try
      • Q(E);CHECK
      • Refutation
        • B(f);XQ(E)
  • Actual
    • S(C);
    • Threat
      • R1(B)
    • Vars
      • P(a);OGATE::R(D)
      • P(b);OGATE::QAR(E)
      • S(g);N_GUARD::QAB1(E),XS(g)
      • P(c);OGATE::QAB1(E)
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