MESON Chess Problem Database

Problem Display
PID: 18095 (7b/2p5/8/5p2/K6R/2kNB1R1/6nQ/4N2b w - - 0 1)

Stocchi, Ottavio

1st Prize, Melbournce Chess Club, 1952-1953

7b/2p5/8/5p2/K6R/2kNB1R1/6nQ/4N2b

#2

7 + 6

268 Chess Life 1953
3174 The Two-move Chess Problem Tradition and Development 1963
3105 FIDE Album (1945-1955) 1964
5407 Selected Stocchi (II) 2004
23 Die Schwalbe 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe1
      • 2.Qd2#
    • 1...Sxe3
      • 2.Qb2#
    • 1...Sf4
      • 2.Qc2#
    • 1...Sxh4
      • 2.Qc2#
  • Tries
    • 1.Rxg2?
      • threat
        • 2.Bd2#
        • 2.Rc2#
        • 2.Qxc7#
      • 1...Bd4
        • 2.Rc2#
      • 1...f4
        • 2.Rc2#
      • 1...Be5
        • 2.Bd2#
        • 2.Rc2#
        • 2.Qxe5#
      • 1...c5
        • 2.Bd2#
        • 2.Rc2#
      • 1...c6
        • 2.Bd2#
        • 2.Rc2#
      • 1...Bxg2!
    • 1.Qxg2?
      • threat
        • 2.Bd2#
        • 2.Qb2#
        • 2.Qc2#
        • 2.Qd2#
      • 1...Bd4
        • 2.Qc2#
      • 1...f4
        • 2.Qc2#
      • 1...Bxg2!
  • Keys
    • 1.Rg7!
      • threat
        • 2.Rxc7#
        • 2.Qe5#
        • 2.Qxc7#
      • 1...Bxg7
        • 2.Qxc7#
      • 1...Sxe1
        • 2.Qd2#
      • 1...Sxe3
        • 2.Qb2#
      • 1...Sxh4
        • 2.Qc2#
      • 1...Sf4
        • 2.Qc2#
      • 1...f4
        • 2.Rxc7#
      • 1...c5
        • 2.Qe5#
      • 1...c6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE,XS(A)::QAB1(B)
    • S(b);OGATE,XB(D)::QAB1(B)
    • S(b);OGATE::QAR1(B)
    • S(b);OGATE,XR(G)::QAR1(B)
  • Tries
    • Try
      • R(E);XS(b)
      • Threat
        • DUALS(3)
      • Vars
        • B(f);::R1(E)
        • P(d);::R1(E)
      • Refutation
        • B(a);XR(E)
    • Try
      • Q(B);XS(b)
      • Threat
        • DUALS(4)
      • Vars
        • B(f);::QAR1(B)
        • P(d);::QAR1(B)
      • Refutation
        • B(a);XQ(B)
  • Actual
    • R(E);
    • Threat
      • DUALS(3)
    • Vars
      • B(f);XR(E)::QAR(B),XP(e)
      • S(b);OGATE,XS(A)::QAB1(B)
      • S(b);OGATE,XB(D)::QAB1(B)
      • S(b);OGATE,XR(G)::QAR1(B)
      • S(b);OGATE::QAR1(B)
      • P(d);::R(E),XP(e)
      • P(e);::QAB(B)
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