MESON Chess Problem Database

Problem Display
PID: 68103 (B1b1R2b/2Pp4/3kr2R/3NN3/3p2P1/8/8/2Q1K3 w - - 0 1)

Sukhitashvili, Sergey Nikolaevich

diagrammes, 1983

B1b1R2b/2Pp4/3kr2R/3NN3/3p2P1/8/8/2Q1K3

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qf4#
    • 1...Rf6
      • 2.Sf7#
      • 2.Qa3#
    • 1...Rg6
      • 2.Sf7#
      • 2.Qa3#
    • 1...Rxh6
      • 2.Sf7#
      • 2.Qa3#
    • 1...Bxe5
      • 2.Qa3#
  • Tries
    • 1.Kd1?
      • threat
        • 2.Sf7#
      • 1...Kxe5
        • 2.Qf4#
      • 1...Bxe5
        • 2.Qa3#
      • 1...Bb7!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sf7#
      • 1...Kxe5
        • 2.Sc4#
      • 1...Bxe5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
    • B(f);SBLOCK,XS(E)::QAB(A)
  • Tries
    • Try
      • K(B);N_SPINS(E),P-FLIGHT
      • Threat
        • S(E)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
        • B(f);SBLOCK,XS(E)::QAB(A)
      • Refutation
        • B(e);
  • Actual
    • S(D);N_SPINS(E)
    • Threat
      • S(E)
    • Vars
      • K(b);S_FLIGHT,XS(E)::S(D)
      • B(f);SBLOCK,XS(E)::S(D)
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