MESON Chess Problem Database

Problem Display
PID: 95789 (3R2N1/1KBp1p1r/4N3/2Pk2n1/4pn1b/4p3/4Pr1q/2Q5 w - - 0 1)

Stocchi, Ottavio

L'Italia Scacchistica, 1943

3R2N1/1KBp1p1r/4N3/2Pk2n1/4pn1b/4p3/4Pr1q/2Q5

#2

8 + 11

14475 Mat Plus Review 2007
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe6
      • 2.Rxd7#
  • Tries
    • 1.Qd1+?
      • 1...Kxe6
        • 2.Qxd7#
      • 1...Sd3
        • 2.Qb3#
      • 1...Kc4!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qb3#
      • 1...Kxe6
        • 2.Qe5#
      • 1...Sfxe6
        • 2.Se7#
      • 1...Sgxe6
        • 2.Rxd7#
      • 1...fxe6
        • 2.Sf6#
      • 1...d6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(h);SBLOCK,XS(D)::R(G),XP(i)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(g);N_SPINP(i),OGATE,S_FLIGHT,XS(D)::QAB1(A),XP(i)
        • S(e);P_SPINS(e)::QAB(A)
      • Refutation
        • K(g);N_SPINP(i),S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • K(g);N_SPINP(i),S_FLIGHT,XS(D)::QAR1(A)
      • S(e);SBLOCK,XS(D)::S(H)
      • S(h);SBLOCK,XS(D)::R(G),XP(i)
      • P(j);SBLOCK,XS(D)::S(H)
      • P(i);OGATE::R1(G),XP(i)
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