MESON Chess Problem Database

Problem Display
PID: 120124 (2Q5/8/3p4/3k2N1/5p2/2n2N2/2P3K1/4b3 w - - 0 1)

de Barbieri, Vittorio

Nuova Rivista degli Scacchi, 1902

2Q5/8/3p4/3k2N1/5p2/2n2N2/2P3K1/4b3

#2

5 + 5

6490 yacpdb 2009
3713 Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.c4#
    • 1...Sd1
      • 2.c4#
    • 1...Sa2
      • 2.c4#
    • 1...Se2
      • 2.c4#
    • 1...Sa4
      • 2.c4#
    • 1...Se4
      • 2.c4#
    • 1...Sb5
      • 2.c4#
  • Tries
    • 1.Sh7?
      • threat
        • 2.Sf6#
      • 1...Ke4
        • 2.Qe6#
      • 1...Se4
        • 2.c4#
      • 1...Bh4!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Sxe4
        • 2.c4#
      • 1...Bh4
        • 2.Sxc3#

This anticipates 260704(1903)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • S(b);OGATE::P(A)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • K(d);S_FLIGHT::QAR2(E)
        • S(b);OGATE,SBLOCK::P(A)
      • Refutation
        • B(a);
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(d);S_FLIGHT,XS(D)::QAR2(E)
      • S(b);OGATE,SBLOCK,XS(D)::P(A)
      • B(a);N_GUARD::S(D),XS(b)
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