MESON Chess Problem Database

Problem Display
PID: 71783 (B7/8/8/3n4/5p1R/3NrknK/2PP1N1R/8 w - - 0 1)

Zaldo Zapirain, Juan

3rd HM., Problemas, 1951

B7/8/8/3n4/5p1R/3NrknK/2PP1N1R/8

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Rxf4#
    • 1...Se2
      • 2.Se1#
  • Keys
    • 1.Se4!
      • threat
        • 2.Sg5#
      • 1...Kxe4
        • 2.Rxf4#
      • 1...Rxe4
        • 2.Rf2#
      • 1...Sxe4
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(a);SBLOCK::R1(G),XP(d)
    • S(c);SBLOCK,S_CUTR(a)::S(E)
  • Actual
    • S(C);N_PINS(e)
    • Threat
      • S(C)
    • Vars
      • K(b);P_SPINP(d),P_SPINS(e),S_FLIGHT,XS(C)::R1(G),XP(d)
      • R(a);SBLOCK,XS(C)::R1(D)
      • S(c);SBLOCK,XS(C)::S(E)
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