MESON Chess Problem Database

Problem Display
PID: 175410 (8/3b2K1/8/4pkp1/4R3/1BP1p1P1/3NPn2/8 w - - 0 1)

Derka, Frantisek

Narodni listy, 1899

8/3b2K1/8/4pkp1/4R3/1BP1p1P1/3NPn2/8

#2

7 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.g4#
    • 1...Sh1
      • 2.g4#
    • 1...Sd3
      • 2.g4#
    • 1...Sh3
      • 2.g4#
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sd6#
      • 1...Kxe4
        • 2.Sd6#
      • 1...Ke6
        • 2.Rxe5#
      • 1...Sxe4
        • 2.Sxe3#
      • 1...g4
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • S(a);N_GUARD::P(E)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(d);S_FLIGHT,XR(F)::S(A)
      • K(d);P_SPINP(c),S_FLIGHT::R1(F),XP(c)
      • S(a);SBLOCK,XR(F)::S(A),XP(b)
      • P(e);SBLOCK::R1(F),XP(c)
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