MESON Chess Problem Database

Problem Display
PID: 174013 (7b/BK1R4/3NP3/2N4R/p2kpp2/5b2/1P1Ppnn1/8 w - - 0 1)

Bottacchi, Antonio

L'Illustrazione Italiana, 1920

7b/BK1R4/3NP3/2N4R/p2kpp2/5b2/1P1Ppnn1/8

#2

9 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Sb3#
  • Tries
    • 1.b3?
      • threat
        • 2.Sc4#
        • 2.Sdxe4#
        • 2.Sb5#
        • 2.Sf7#
        • 2.Sc8#
        • 2.Se8#
      • 1...e3+
        • 2.Sde4#
      • 1...Bxh5
        • 2.Sc4#
        • 2.Sf7#
      • 1...Be5
        • 2.Sb5#
        • 2.Sf5#
      • 1...Se3
        • 2.Sb5#
      • 1...axb3!
  • Keys
    • 1.d3!
      • threat
        • 2.Sc4#
      • 1...exd3+
        • 2.Sce4#
      • 1...e3+
        • 2.Sde4#
      • 1...Ke3
        • 2.Sc4#
      • 1...Sxd3
        • 2.Sb3#
      • 1...Be5
        • 2.Sf5#
      • 1...Se3
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK::B(G)+S(C),DCHECK
  • Tries
    • Try
      • P(A);
      • Threat
        • DUALS(6)
      • Vars
        • P(g);CHECK::R(I)+S(E)
        • S(c);::R(I)+S(E),DCHECK
      • Refutation
        • P(e);XP(A)
  • Actual
    • P(B);
    • Threat
      • R(I)+S(E)
    • Vars
      • P(g);CHECK,SBLOCK,XP(B)::B(G)+S(C)
      • P(g);CHECK,SBLOCK::R(I)+S(E)
      • K(f);S_FLIGHT::S(E)
      • S(b);SBLOCK,XP(B)::B(G)+S(C),DCHECK
      • B(i);SBLOCK::R(I)+S(E),DCHECK
      • S(c);SBLOCK::R(I)+S(E),DCHECK
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