MESON Chess Problem Database

Problem Display
PID: 9967 (4b1Q1/5r2/2p3NB/2K2kP1/3p4/3N1B2/8/8 w - - 0 1)

Mikan, Ilja

Sachove umeni (Ceskoslovensky sach), 1961

4b1Q1/5r2/2p3NB/2K2kP1/3p4/3N1B2/8/8

#2

7 + 5

5505 Dobrodruzstvi 64 poli 1973

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Bg4#
    • 1...Rf6
      • 2.Sh4#
      • 2.Se7#
    • 1...Ra7
      • 2.Sh4#
    • 1...Rb7
      • 2.Sh4#
    • 1...Rc7
      • 2.Sh4#
    • 1...Rd7
      • 2.Sh4#
    • 1...Re7
      • 2.Sh4#
      • 2.Sxe7#
    • 1...Rg7
      • 2.Sh4#
    • 1...Rh7
      • 2.Sh4#
    • 1...Rf8
      • 2.Sh4#
      • 2.Se7#
    • 1...Bd7
      • 2.Qxf7#
  • Keys
    • 1.Sf2!
      • threat
        • 2.Bg4#
      • 1...Ke6
        • 2.Bg4#
      • 1...Rg7
        • 2.Be4#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • K(b);P_SPINR(d),S_FLIGHT::B(B)
    • R(d);::S(E)
    • B(e);N_GUARD::QAR2(G),XR(d)
  • Actual
    • S(A);
    • Threat
      • B(B)
    • Vars
      • K(b);P_SPINR(d),S_FLIGHT::B(B)
      • R(d);::B(B)
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