MESON Chess Problem Database

Problem Display
PID: 264378 (K4n2/p1bp3B/7R/QnpkP3/b6R/p2N4/2q5/B7 w - - 0 1)

Stocchi, Ottavio

1st Prize, Prace, 1954

(First published on Sun Nov 28 1954)

K4n2/p1bp3B/7R/QnpkP3/b6R/p2N4/2q5/B7

#2

8 + 10

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Qxc5#
    • 1...Sd4
      • 2.Rxd4#
    • 1...Sd6
      • 2.Sb4#
    • 1...c4
      • 2.Be4#
      • 2.Rd4#
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qb7#
      • 1...Sc3
        • 2.Qc4#
      • 1...Sd4
        • 2.Be4#
      • 1...Sd6
        • 2.Sf4#
      • 1...Sg6
        • 2.Bg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(d);OGATE,P_SPINP(e)::QAR1(D),XP(e)
    • S(d);N_GUARD,P_SPINP(e)::R1(C),XS(d)
    • S(d);P_SPINP(e)::S(B)
  • Actual
    • Q(D);
    • Threat
      • QAB(D)
    • Vars
      • S(d);OGATE::QAB1(D)
      • S(d);::B(G)
      • S(d);::S(B)
      • S(j);N_GUARD::B(G)
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