MESON Chess Problem Database

Problem Display
PID: 114110 (8/3K2bb/5p2/n1pk4/1P3Q2/1P3R2/5n2/B7 w - - 0 1)

Stocchi, Ottavio

Szoghy TT, 1951

8/3K2bb/5p2/n1pk4/1P3Q2/1P3R2/5n2/B7

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Qd6#
    • 1...Bf5+
      • 2.Qxf5#
    • 1...Bg8
      • 2.Qf5#
    • 1...Se4
      • 2.Rd3#
    • 1...Sc4
      • 2.Qxc4#
      • 2.bxc4#
    • 1...Sc6
      • 2.Qc4#
    • 1...Sb7
      • 2.Qc4#
    • 1...cxb4
      • 2.Qd4#
    • 1...c4
      • 2.Qd4#
  • Tries
    • 1.bxa5?
      • threat
        • 2.Qc4#
      • 1...Bf5+
        • 2.Qxf5#
      • 1...c4
        • 2.Qxc4#
        • 2.Qd4#
      • 1...Be4
        • 2.Qd6#
      • 1...Se4
        • 2.Rd3#
      • 1...Bd3!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qe6#
      • 1...Bf5+
        • 2.Rxf5#
      • 1...cxb4
        • 2.Qd4#
      • 1...Be4
        • 2.Qxc5#
      • 1...Bg8
        • 2.Rf5#
      • 1...Se4
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • B(g);SBLOCK::QAR1(E)
    • B(g);CHECK,N_GUARD::QAR2(E),XB(g)
    • B(g);N_GUARD::QAR2(E)
    • S(a);N_GUARD,S_CUTB(g)::R(C)
    • S(b);N_GUARD::QAB1(E)
    • P(c);N_GUARD,XP(D)::QAR1(E)
    • P(c);N_GUARD::QAR1(E)
  • Tries
    • Try
      • P(D);XS(b)
      • Threat
        • QAB1(E)
      • Vars
        • B(g);CHECK,N_GUARD::QAR2(E),XB(g)
        • B(g);SBLOCK::QAR1(E)
        • S(a);N_GUARD,S_CUTB(g)::R(C)
      • Refutation
        • B(g);
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • B(g);CHECK,N_GUARD::R(C),XB(g)
      • P(c);N_GUARD,XP(D)::QAR1(E)
      • B(g);SBLOCK::QAR1(E),XP(c)
      • B(g);N_GUARD::R(C)
      • S(a);N_GUARD,S_CUTB(g)::QAR2(E)
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