MESON Chess Problem Database

Problem Display
PID: 108738 (3Q4/8/3p4/1Pppp1Bp/2PkP3/3N4/N2R4/3B3K w - - 0 1)

Kuzovkov, Aleksandr S

Szoghy-80 MT, 1993

3Q4/8/3p4/1Pppp1Bp/2PkP3/3N4/N2R4/3B3K

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...dxc4
      • 2.Sf2#
    • 1...dxe4
      • 2.Sb2#
  • Tries
    • 1.Sdc1+?
      • 1...Kxc4
        • 2.Be2#
      • 1...Kxe4!
    • 1.Se1+?
      • 1...Kxe4
        • 2.Bc2#
      • 1...Kxc4!
    • 1.Sxc5+?
      • 1...Kxc5
        • 2.Qc7#
      • 1...Kxc4!
    • 1.Sxe5+?
      • 1...Kxe5
        • 2.Qe7#
        • 2.Qe8#
      • 1...Kxe4!
    • 1.Bc2?
      • threat
        • 2.Sb2#
      • 1...Kxe4
        • 2.Se1#
      • 1...Kxc4!
    • 1.Be2?
      • threat
        • 2.Sf2#
      • 1...Kxc4
        • 2.Sdc1#
      • 1...Kxe4!
    • 1.Qd7?
      • 1...Kxc4
        • 2.Sb2#
      • 1...Kxe4
        • 2.Sf2#
      • 1...dxc4
        • 2.Sf2#
      • 1...dxe4
        • 2.Sb2#
      • 1...h4!
    • 1.Qa8?
      • threat
        • 2.Qxd5#
      • 1...Kxc4
        • 2.Qa4#
      • 1...dxc4
        • 2.Sdc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sf2#
        • 2.Sdb4#
        • 2.Qd5#
      • 1...dxe4
        • 2.Sb2#
        • 2.Qd5#
      • 1...Kxe4!
  • Keys
    • 1.Qxd6!
      • threat
        • 2.Qxd5#
      • 1...Kxc4
        • 2.Qxc5#
      • 1...Kxe4
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • P(c);P_SPINP(f),SBLOCK,XP(F)::R(D)+S(E)
    • P(c);P_SPINP(f),SBLOCK,XP(G)::R(D)+S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(F)::B(A)
      • Refutation
        • K(a);P-FLIGHT,XP(G)
    • Try
      • S(E);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(G)::B(A)
      • Refutation
        • K(a);P-FLIGHT,XP(F)
    • Try
      • S(E);CHECK,XP(b)
      • Vars
        • K(a);S_FLIGHT,XS(E)::QAR2(J)
      • Refutation
        • K(a);P-FLIGHT,XP(F)
    • Try
      • S(E);CHECK,XP(d)
      • Refutation
        • K(a);P-FLIGHT,XP(G)
    • Try
      • B(A);
      • Threat
        • R(D)+S(E)
      • Vars
        • K(a);P-FLIGHT,XP(G)::B(A)+S(E)
      • Refutation
        • K(a);P-FLIGHT,XP(F)
    • Try
      • B(A);
      • Threat
        • R(D)+S(E)
      • Vars
        • K(a);P-FLIGHT,XP(F)::B(A)+S(E)
      • Refutation
        • K(a);P-FLIGHT,XP(G)
    • Try
      • Q(J);
      • Vars
        • K(a);P-FLIGHT,XP(F)::S(E)
        • K(a);P-FLIGHT,XP(G)::S(E)
        • P(c);P_SPINP(f),SBLOCK,XP(F)::R(D)+S(E)
        • P(c);P_SPINP(f),SBLOCK,XP(G)::R(D)+S(E)
      • Refutation
        • P(e);
    • Try
      • Q(J);
      • Threat
        • QAR1(J),XP(c)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(F)::QAR2(J)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(c),XP(G)
  • Actual
    • Q(J);P_PINP(c),XP(f)
    • Threat
      • QAR1(J),XP(c)
    • Vars
      • K(a);N_SPINP(c),P-FLIGHT,XP(F)::QAR1(J),XP(b)
      • K(a);N_SPINP(c),P-FLIGHT,XP(G)::QAR1(J),XP(d)
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