MESON Chess Problem Database

Problem Display
PID: 208448 (2n1rn2/3pr2p/2BPk3/2P2NRQ/8/8/b3P3/B4K2 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Sachova skladba, 1994

2n1rn2/3pr2p/2BPk3/2P2NRQ/8/8/b3P3/B4K2

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rg7
      • 2.Sxg7#
  • Tries
    • 1.Sh6?
      • threat
        • 2.Qg4#
        • 2.Qh3#
      • 1...Rf7+
        • 2.Qxf7#
      • 1...Bb1
        • 2.Bd5#
      • 1...Sxd6!
    • 1.Qf3?
      • threat
        • 2.Sd4#
      • 1...Kf7
        • 2.Sd4#
      • 1...dxc6!
    • 1.Qg4?
      • threat
        • 2.Sh6#
      • 1...Kf7
        • 2.Sh6#
      • 1...Sxd6
        • 2.Sxd6#
      • 1...Rf7
        • 2.Qe4#
      • 1...Bb1
        • 2.Qc4#
      • 1...h6
        • 2.Sxh6#
      • 1...h5!
    • 1.Qh6+?
      • 1...Kf7
        • 2.Rg7#
        • 2.Qf6#
      • 1...Sg6!
  • Keys
    • 1.Qh3!
      • threat
        • 2.Sh6#
      • 1...Kf7
        • 2.Sh6#
      • 1...Sxd6
        • 2.Sxd6#
      • 1...Rf7
        • 2.Qe3#
      • 1...Bb1
        • 2.Qb3#
      • 1...h6
        • 2.Sxh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD::S(E),XR(d)
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);CHECK,N_GUARD::QAB1(G),XR(d)
        • B(a);N_GUARD::B(H)
      • Refutation
        • S(f);XP(I)
    • Try
      • Q(G);
      • Threat
        • S(E)
      • Vars
        • K(b);S_FLIGHT::QAR(G)+S(E)
      • Refutation
        • P(c);XB(H)
    • Try
      • Q(G);
      • Threat
        • QAB(G)+S(E)
      • Vars
        • K(b);S_FLIGHT::S(E)
        • S(f);XP(I)::QAB(G)+S(E),XS(f)
        • R(d);P_PINS(E),SBLOCK::QAR2(G)
        • B(a);N_GUARD::QAB(G)
        • P(e);::QAB(G)+S(E),XP(e)
      • Refutation
        • P(e);
    • Try
      • Q(G);CHECK
      • Refutation
        • S(h);P_SPINS(h)
  • Actual
    • Q(G);
    • Threat
      • QAB(G)+S(E)
    • Vars
      • K(b);S_FLIGHT::S(E)
      • S(f);XP(I)::QAB(G)+S(E),XS(f)
      • R(d);P_PINS(E),SBLOCK::QAR(G)
      • B(a);N_GUARD::QAB(G)
      • P(e);::QAB(G)+S(E),XP(e)
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