MESON Chess Problem Database

Problem Display
PID: 245413 (4RB1K/6N1/1qp4p/2R1P3/1pPkNpn1/3p1n2/1Pp1pr1b/2Q4B w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Sachove umeni (Ceskoslovensky sach), 1988

4RB1K/6N1/1qp4p/2R1P3/1pPkNpn1/3p1n2/1Pp1pr1b/2Q4B

#2

11 + 13

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Sf5#
      • 2.Se6#
    • 1...Sg1
      • 2.Sf5#
      • 2.Se6#
    • 1...Sd2
      • 2.Sf5#
    • 1...Sh4
      • 2.Se6#
    • 1...Sfxe5
      • 2.Sf5#
      • 2.Se6#
    • 1...Sg5
      • 2.Sf5#
  • Tries
    • 1.Sd6?
      • threat
        • 2.Se6#
      • 1...Kxc5
        • 2.Se6#
      • 1...Qxc5
        • 2.Sgf5#
      • 1...Sd2
        • 2.Sdf5#
      • 1...Sg5
        • 2.Sdf5#
      • 1...d2!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sf5#
      • 1...Ke3
        • 2.Sf5#
      • 1...Sh4
        • 2.Sb3#
      • 1...Se3
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(f);::S(H)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(H)
      • Vars
        • K(h);S_FLIGHT,XR(F)::S(H)
        • Q(k);SBLOCK,XR(F)::S(H)
        • S(f);::S(E)
      • Refutation
        • P(e);
  • Actual
    • S(E);
    • Threat
      • S(H)
    • Vars
      • K(h);S_FLIGHT::S(H)
      • S(f);::S(E)
      • S(j);SBLOCK::S(H)
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