MESON Chess Problem Database

Problem Display
PID: 260376 (K1N2Q2/1nkpP1n1/pN6/P2P4/5P2/8/8/8 w - - 0 1)

Kazimov, Islam

Schweizerische Schachzeitung, 2006

K1N2Q2/1nkpP1n1/pN6/P2P4/5P2/8/8/8

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sxa5
      • 2.Qd8#
    • 1...Sc5
      • 2.Qd8#
    • 1...Sd6
      • 2.Qd8#
    • 1...Sd8
      • 2.Qxd8#
      • 2.exd8Q#
      • 2.exd8B#
  • Tries
    • 1.Sa7?
      • threat
        • 2.Qb8#
      • 1...Kd6
        • 2.e8S#
      • 1...Sd8
        • 2.exd8Q#
        • 2.exd8B#
      • 1...Se8!
    • 1.Qe8?
      • threat
        • 2.Qxd7#
      • 1...Sc5
        • 2.Qd8#
      • 1...d6
        • 2.Qc6#
        • 2.Qd7#
      • 1...Sxe8!
    • 1.e8Q?
      • threat
        • 2.Qxd7#
      • 1...Sc5
        • 2.Qxc5#
        • 2.Qd6#
        • 2.Qd8#
      • 1...d6
        • 2.Qc6#
        • 2.Qd7#
        • 2.Qef7#
        • 2.Qfe7#
        • 2.Qxg7#
        • 2.Qee7#
        • 2.Qff7#
      • 1...Sxe8!
    • 1.e8S+?
      • 1...Kd8
        • 2.Qe7#
      • 1...Sxe8!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qb8#
      • 1...Kxd6
        • 2.e8S#
      • 1...Sd8
        • 2.exd8Q#
        • 2.exd8B#
      • 1...Se8
        • 2.Sxe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(b);N_GUARD,XP(B)::QAB1(H)
    • S(b);N_GUARD::QAB1(H)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAB1(H)
      • Vars
        • K(c);N_GUARD,S_FLIGHT::P=S
        • S(b);OGATE::PXS(b)=Q
      • Refutation
        • S(e);
    • Try
      • Q(H);
      • Threat
        • QAR1(H),XP(d)
      • Vars
        • S(b);N_GUARD::QAB1(H)
      • Refutation
        • S(e);XQ(H)
    • Try
      • P(E);
      • Threat
        • QAR1(E),XP(d)
      • Refutation
        • S(e);XQ(E)
    • Try
      • P(E);CHECK
      • Vars
        • K(c);S_CUTS(e),S_FLIGHT::QAB1(H)
      • Refutation
        • S(e);XS(E)
  • Actual
    • S(G);
    • Threat
      • QAB1(H)
    • Vars
      • K(c);N_GUARD,S_FLIGHT,XS(G)::P=S
      • S(b);OGATE::PXS(b)=Q
      • S(e);N_GUARD::S(G),XS(e)
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