MESON Chess Problem Database

Problem Display
PID: 270466 (3N4/1N1PR3/n1P3Q1/K2kP3/2p3P1/2P5/6n1/8 w - - 0 1)

Syzonenko, Viktor N

64 Shakhmatnoe obozrenie, 2023

3N4/1N1PR3/n1P3Q1/K2kP3/2p3P1/2P5/6n1/8

#2

10 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qd6#
      • 1...Kxc5
        • 2.Qd6#
      • 1...Sxc5!
    • 1.Qf5?
      • threat
        • 2.Qf3#
        • 2.e6#
      • 1...Se1
        • 2.e6#
      • 1...Se3
        • 2.Qf3#
      • 1...Sf4
        • 2.e6#
      • 1...Sc5
        • 2.e6#
      • 1...Sh4!
  • Keys
    • 1.Se6!
      • 1...Kxe5
        • 2.Qf5#
      • 1...Kxc6
        • 2.Qe4#
      • 1...Se1
        • 2.Sf4#
      • 1...Se3
        • 2.Sf4#
      • 1...Sf4
        • 2.Sxf4#
      • 1...Sh4
        • 2.Sf4#
      • 1...Sb4
        • 2.Sc7#
      • 1...Sc5
        • 2.Sc7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...Sb8
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • QAR1(F)
      • Vars
        • K(c);P-FLIGHT,XS(G)::QAB1(F)
      • Refutation
        • S(d);XS(G)
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAR(F)+P(D)
        • S(a);::QAB(F)
        • S(d);::QAR(F)+P(D)
      • Refutation
        • S(a);
  • Actual
    • S(J);
    • Vars
      • K(c);OGATEB,P-FLIGHT,XP(D)::QAR1(F)
      • K(c);N_GUARD,S_FLIGHT,XP(E)::QAB(F)
      • S(a);N_GUARD::S(J)
      • S(a);N_GUARD::S(J),XS(a)
      • S(d);N_GUARD::S(J)
      • S(d);N_GUARD::S(J),XS(d)
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