MESON Chess Problem Database

Problem Display
PID: 95777 (1R4K1/3p4/pN1P4/pk6/2N1B3/Br1n4/bpQ1nb2/8 w - - 0 1)

Stocchi, Ottavio

L'Italia Scacchistica, 1932

1R4K1/3p4/pN1P4/pk6/2N1B3/Br1n4/bpQ1nb2/8

#2

8 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Qa4#
  • Tries
    • 1.Sxd7+?
      • 1...Ka4
        • 2.Bc6#
      • 1...Bb6!
  • Keys
    • 1.Se3!
      • threat
        • 2.Qc4#
      • 1...Rxa3+
        • 2.Sbd5#
      • 1...Rc3+
        • 2.Sbc4#
      • 1...Rb4+
        • 2.Sbd5#
      • 1...a4
        • 2.Sbc4#
      • 1...Sc3
        • 2.Qxd3#
      • 1...Se5
        • 2.Qc5#

This is a version of 6767

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATE,P_PINS(C)::QAB1(A)
  • Tries
    • Try
      • S(E);CHECK,XP(j)
      • Vars
        • K(h);P_SPINR(e),S_FLIGHT::B(D)
      • Refutation
        • B(d);P_SPINB(d)
  • Actual
    • S(C);
    • Threat
      • QAB1(A)
    • Vars
      • R(e);CHECK,XB(B)::R(G)+S(E)
      • R(e);CHECK::R(G)+S(E)
      • P(g);SBLOCK::R(G)+S(E)
      • S(c);S_CUTR(e)::QAB(A),XS(f)
      • S(f);N_GUARD::QAR1(A)
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