MESON Chess Problem Database

Problem Display
PID: 262034 (1n2K3/3p3R/1P1k1p2/NR3P2/2P4b/3p2P1/6b1/B3n2q w - - 0 1)

Somma, Francesco

Schweizerische Schachzeitung, 1928

1n2K3/3p3R/1P1k1p2/NR3P2/2P4b/3p2P1/6b1/B3n2q

#2

9 + 9

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.c5#
    • 1...Sf3
      • 2.Rd5#
    • 1...Sa6
      • 2.Rxd7#
    • 1...Sc6
      • 2.Sb7#
      • 2.Rxd7#
  • Tries
    • 1.Bxf6?
      • threat
        • 2.Be5#
      • 1...Bxg3
        • 2.Be7#
      • 1...Bd5
        • 2.c5#
      • 1...Sf3
        • 2.Rd5#
      • 1...Sc6
        • 2.Sb7#
        • 2.Rxd7#
      • 1...Bxf6!
  • Keys
    • 1.Rh6!
      • threat
        • 2.Be5#
      • 1...Bxg3
        • 2.Rxf6#
      • 1...Bd5
        • 2.c5#
      • 1...Sf3
        • 2.Rd5#
      • 1...Sc6
        • 2.Sb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(c);SBLOCK::P(C)
    • S(a);S_CUTB(c)::R1(E)
    • S(i);N_GUARD::R1(H),XP(h)
  • Tries
    • Try
      • B(A);XP(g)
      • Threat
        • B(A)
      • Vars
        • B(e);N_GUARD,XP(B)::B(A)
        • B(c);SBLOCK::P(C)
        • S(a);S_CUTB(c)::R1(E)
      • Refutation
        • B(e);XB(A)
  • Actual
    • R(H);P_PINP(g)
    • Threat
      • B(A)
    • Vars
      • B(e);N_GUARD,XP(B)::R(H),XP(g)
      • B(c);SBLOCK::P(C)
      • S(a);S_CUTB(c)::R1(E)
      • S(i);SBLOCK,S_CUTB(c)::S(D)
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Developed and maintained by Brian Stephenson.
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