MESON Chess Problem Database

Problem Display
PID: 155312 (3R2qN/1n1BB3/5Pp1/2pNk3/b7/1p1Q3p/7K/8 w - - 0 1)

Chepizhni, Viktor Ivanovich

5th HM., Wola Gulowska, 2005

3R2qN/1n1BB3/5Pp1/2pNk3/b7/1p1Q3p/7K/8

#2

8 + 8

15345 Wola Gulowska Award 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Sxg6#
    • 1...Qe6
      • 2.Sxg6#
    • 1...Qf7
      • 2.Sxf7#
    • 1...Qxd8
      • 2.Sxg6#
      • 2.Sf7#
    • 1...Qf8
      • 2.Sxg6#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Qe4#
        • 2.Qe3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Bxd7
        • 2.Qe4#
      • 1...Qc4
        • 2.Sxg6#
      • 1...Qd5
        • 2.Sxg6#
      • 1...Qe6
        • 2.Sxg6#
        • 2.Qe4#
      • 1...Sd6
        • 2.Qxd6#
      • 1...Bc6!
    • 1.Be6?
      • threat
        • 2.Qe3#
      • 1...Kxe6
        • 2.Qe4#
      • 1...Qxe6
        • 2.Sxg6#
      • 1...Sd6!
    • 1.Rxg8?
      • threat
        • 2.Sxg6#
        • 2.Sf7#
      • 1...Sd6
        • 2.Sxg6#
      • 1...Sd8
        • 2.Sxg6#
      • 1...g5
        • 2.Sg6#
        • 2.Sf7#
        • 2.Rxg5#
      • 1...Bxd7!
  • Keys
    • 1.Bf5!
      • threat
        • 2.Qe4#
      • 1...Qxd5
        • 2.Sxg6#
      • 1...gxf5
        • 2.Qe3#
      • 1...Sd6
        • 2.Bxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • Q(h);N_GUARD,XS(C)::S(H),XP(f)
    • Q(h);N_GUARD::S(H),XP(f)
    • Q(h);N_GUARD::S(H),XQ(h)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);S_FLIGHT::QAB1(B)
        • B(c);XB(E)::QAR1(B)
        • Q(h);N_GUARD::S(H),XP(f)
        • S(g);N_GUARD::QAB1(B),XS(g)
      • Refutation
        • B(c);
    • Try
      • B(E);
      • Threat
        • QAR2(B)
      • Vars
        • K(e);P-FLIGHT,XB(E)::QAR2(B)
        • Q(h);N_GUARD,SBLOCK,XB(E)::S(H),XP(f)
      • Refutation
        • S(g);
    • Try
      • R(G);XQ(h)
      • Threat
        • DUALS(2)
      • Vars
        • S(g);::S(H),XP(f)
      • Refutation
        • B(c);XB(E)
  • Actual
    • B(E);
    • Threat
      • QAR1(B)
    • Vars
      • Q(h);N_GUARD,XS(C)::S(H),XP(f)
      • P(f);SBLOCK,XB(E)::QAR2(B)
      • S(g);N_GUARD::B(F),XS(g)
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