MESON Chess Problem Database

Problem Display
PID: 197299 (K5Q1/4b2P/7p/4pk2/2p3nP/3P4/B2B2N1/3r2R1 w - - 0 1)

Glinskikh, Nikolai M

Zadachi i Etyudi, 1996

K5Q1/4b2P/7p/4pk2/2p3nP/3P4/B2B2N1/3r2R1

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Qe6#
  • Tries
    • 1.Se3+?
      • 1...Kf4
        • 2.Qxg4#
      • 1...Kf6
        • 2.h8Q#
        • 2.h8B#
      • 1...Sxe3!
    • 1.Bxc4?
      • threat
        • 2.Qe6#
      • 1...Kf6
        • 2.Qf7#
      • 1...Bf6
        • 2.Be6#
      • 1...Sf6
        • 2.Be6#
      • 1...Ra1+!
    • 1.Rf1+?
      • 1...Sf2
        • 2.Rxf2#
      • 1...Rxf1!
    • 1.h5?
      • threat
        • 2.Qg6#
      • 1...Kf6
        • 2.Qg6#
      • 1...Bf6
        • 2.Qc8#
      • 1...Sf6
        • 2.Sh4#
      • 1...e4!
  • Keys
    • 1.Qxc4!
      • threat
        • 2.Qe6#
      • 1...Kf6
        • 2.Qf7#
      • 1...Kg6
        • 2.Qf7#
      • 1...Bf6
        • 2.Qe4#
      • 1...Sf6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(b);::QAB1(I)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(e);P-FLIGHT::QAR1(I),XS(c)
        • K(e);P-FLIGHT::P=Q
      • Refutation
        • S(c);XS(D)
    • Try
      • B(B);XP(b)
      • Threat
        • QAB1(I)
      • Vars
        • K(e);P-FLIGHT::QAR1(I)
        • B(g);SBLOCK::B(B)
        • S(c);SBLOCK::B(B)
      • Refutation
        • R(a);CHECK
    • Try
      • R(A);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::R(A),XS(c)
      • Refutation
        • R(a);XR(A)
    • Try
      • P(F);
      • Threat
        • QAB1(I)
      • Vars
        • K(e);P-FLIGHT::QAR1(I)
        • B(g);SBLOCK::QAB(I)
        • S(c);SBLOCK,S_CUTB(g)::S(D)
      • Refutation
        • P(d);
  • Actual
    • Q(I);XP(b)
    • Threat
      • QAB1(I)
    • Vars
      • K(e);P-FLIGHT::QAR1(I)
      • K(e);S_FLIGHT::QAB1(I)
      • B(g);SBLOCK::QAB1(I)
      • S(c);N_GUARD,SBLOCK::S(D)
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