MESON Chess Problem Database

Problem Display
PID: 4873 (2B3nK/1Q6/8/2PNk3/3p4/6P1/5P1n/8 w - - 0 1)

Galitzky, Aleksandr Vasilevich

1st Prize, Shakhmatnoe obozrenie, 1892

2B3nK/1Q6/8/2PNk3/3p4/6P1/5P1n/8

#2

7 + 4

15 British Chess Magazine 1893
3310 2345 Chess Problems 1997
14666 Aleksandr Galitzky - Shakhmaty Geine (Vol 1) 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Qd7?
      • threat
        • 2.Qf5#
        • 2.Qe6#
      • 1...Ke4
        • 2.Qf5#
      • 1...Sh6
        • 2.Qe6#
      • 1...Se7
        • 2.Qe6#
      • 1...d3!
    • 1.Qf7?
      • threat
        • 2.Qe6#
        • 2.Qf5#
      • 1...Ke4
        • 2.Qf5#
      • 1...Sf6
        • 2.Qe6#
      • 1...Sh6
        • 2.Qe6#
      • 1...Se7
        • 2.Qe6#
      • 1...d3!
  • Keys
    • 1.Sf6!
      • 1...Kxf6
        • 2.Qg7#
      • 1...Sxf6
        • 2.f4#
      • 1...d3
        • 2.Qb2#
      • 1...Sf1
        • 2.Sg4#
      • 1...Sf3
        • 2.Sg4#
      • 1...Sg4
        • 2.Sxg4#
      • 1...Sh6
        • 2.Qe7#
      • 1...Se7
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);P-FLIGHT::QAB1(E)
        • S(d);::QAR1(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);P-FLIGHT::QAB1(E)
        • S(d);::QAR1(E)
      • Refutation
        • P(b);
  • Actual
    • S(D);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(E)
      • S(d);SBLOCK,XS(D)::P(A)
      • P(b);OGATEB::QAB(E)
      • S(a);N_GUARD::S(D)
      • S(a);N_GUARD::S(D),XS(a)
      • S(d);N_GUARD::QAR2(E)
      • S(d);N_GUARD::QAR2(E),XS(d)
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