MESON Chess Problem Database

Problem Display
PID: 17284 (8/4p3/5k2/5N1K/8/1Q5B/8/5R2 w - - 0 1)

Stocchi, Ottavio

1st HM., Le Salut Public Miniature Ty., 1929

8/4p3/5k2/5N1K/8/1Q5B/8/5R2

#2

5 + 2

102 Probleemblad 1976
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
3310 2345 Chess Problems 1997
3100 Selected Stocchi (I) 2001
14475 Mat Plus Review 2007
14868 Pirnie Collection 2012
133 The Problemist Supplement 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Se3+?
      • 1...Ke5
        • 2.Qd5#
      • 1...Kg7!
    • 1.Sh6+?
      • 1...Kg7
        • 2.Qg8#
      • 1...Ke5!
    • 1.Sxe7+?
      • 1...Ke5
        • 2.Qd5#
      • 1...Kg7
        • 2.Qg8#
      • 1...Kxe7!
    • 1.Re1?
      • threat
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...e5!
    • 1.Qg8?
      • 1...e5
        • 2.Qg6#
      • 1...e6
        • 2.Qg7#
      • 1...Ke5!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Se3#
        • 2.Sd4#
        • 2.Sh4#
        • 2.Sd6#
        • 2.Sh6#
        • 2.Sg7#
      • 1...Ke6
        • 2.Se3#
      • 1...Kf7
        • 2.Sd6#
      • 1...e5
        • 2.Qg6#
      • 1...e6
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);CHECK,XP(b)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • R(A);
      • Threat
        • QAR1(B)
      • Vars
        • P(b);::QAR1(B),XP(b)
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Vars
        • P(b);SBLOCK::QAR1(B)
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • DUALS(6)
    • Vars
      • K(a);P-FLIGHT::B(C)+S(D)
      • K(a);P-FLIGHT::R(A)+S(D),DCHECK
      • P(b);SBLOCK::QAR1(B)
      • P(b);SBLOCK::QAB1(B)
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