MESON Chess Problem Database

Problem Display
PID: 17973 (1N1RKb2/2B1p3/4kPp1/1B1R1p2/5n1q/1Nnpp3/8/2r5 w - - 0 1)

Stocchi, Ottavio

1st Prize, Praca, 1952

1N1RKb2/2B1p3/4kPp1/1B1R1p2/5n1q/1Nnpp3/8/2r5

#2

8 + 11

3147 Chess Problems: Introduction to an Art 1963
5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf6
      • 2.Sc5#
    • 1...exf6
      • 2.Sd4#
  • Keys
    • 1.Sd7!
      • threat
        • 2.Re5#
      • 1...Kxd5
        • 2.Sdc5#
      • 1...Qxf6
        • 2.Sdc5#
      • 1...Scxd5
        • 2.Sd4#
      • 1...Sfxd5
        • 2.Sbc5#
      • 1...exf6
        • 2.Sxf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(f);SBLOCK,XP(D)::S(A)
    • P(j);SBLOCK,XP(D)::S(A)
  • Actual
    • S(F);
    • Threat
      • R1(C)
    • Vars
      • K(h);S_FLIGHT,XR(C)::R(G)+S(F)
      • Q(f);SBLOCK,XP(D)::S(F)
      • S(b);SBLOCK,XR(C)::S(A)
      • S(e);SBLOCK,XR(C)::S(A)
      • P(j);SBLOCK,XP(D)::S(F),XB(k)
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