MESON Chess Problem Database

Problem Display
PID: 137956 (8/1n5Q/N1p1n3/2Bkp3/8/NP1b2K1/4P3/8 w - - 0 1)

Galitzky, Aleksandr Vasilevich

Shakhmatnoe obozrenie, 1893

8/1n5Q/N1p1n3/2Bkp3/8/NP1b2K1/4P3/8

#2

7 + 6

14666 Aleksandr Galitzky - Shakhmaty Geine (Vol 1) 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.e4#
      • 2.bxc4#
    • 1...Bb5
      • 2.e4#
    • 1...e4
      • 2.Qf5#
  • Tries
    • 1.Qd7+?
      • 1...Ke4
        • 2.Qxd3#
      • 1...Sd6!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sc3#
      • 1...Bxb5
        • 2.e4#
      • 1...Sexc5
        • 2.Sac7#
      • 1...Sbxc5
        • 2.Sb4#
      • 1...cxb5
        • 2.Qxb7#
      • 1...Sd4
        • 2.Sbc7#
      • 1...Sf4
        • 2.Sbc7#
      • 1...Sg5
        • 2.Sbc7#
      • 1...Sc7
        • 2.Sbxc7#
      • 1...Sg7
        • 2.Sbc7#
      • 1...Sed8
        • 2.Sbc7#
      • 1...Sf8
        • 2.Sbc7#
      • 1...e4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::P(A)
    • P(c);OGATEB::QAR2(G)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAB1(G),XB(a)
      • Refutation
        • S(f);P_SPINS(f)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • B(a);N_GUARD,XS(B)::P(A)
      • S(e);N_GUARD,SBLOCK,XB(E)::S(F)
      • S(f);SBLOCK,XB(E)::S(F)
      • P(d);OGATEB,XS(B)::QAB(G),XS(f)
      • S(e);N_GUARD::S(B)
      • S(e);N_GUARD::S(B),XS(e)
      • P(c);OGATEB::QAR2(G)
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